Seattle, Washington Weather Conditions

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Current Conditions

  • 67°
  • Clear
  • Wind: SW 5 mph
  • Humidity: 73%
  • Visibility: 10.0 miles
  • Dew Point: 58°
  • Pressure: 30.06 in. +

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Next 12 Hours

1  am
4  am
7  am
10  am
1  pm
Partly Cloudy
Partly Cloudy
Clear
Clear
Partly Cloudy
Partly Cloudy
Clear
Clear
Clear
Clear
66°
63°
63°
70°
77°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Tuesday
  • Partly Cloudy
  • High: 83 °
  • Low: 60 °
  • Partly Cloudy
  • Wednesday
  • Clear
  • High: 85 °
  • Low: 61 °
  • Clear
  • Thursday
  • Clear
  • High: 88 °
  • Low: 62 °
  • Clear
  • Friday
  • Clear
  • High: 87 °
  • Low: 61 °
  • Clear
  • Saturday
  • Clear
  • High: 86 °
  • Low: 61 °
  • Clear

Forecast for Seattle, Washington

Updated: 3:20 PM PDT on June 29, 2015

  • Tonight

    Partly cloudy. Lows in the lower to mid 60s. Southwest wind to 10 mph becoming south after midnight.

  • Tuesday

    Mostly sunny. Highs in the upper 70s to mid 80s. Light wind becoming north around 10 mph in the afternoon.

  • Tuesday Night

    Mostly clear. Lows near 60. North wind around 10 mph.

  • Wednesday

    Sunny. Highs in the lower to mid 80s. North wind 10 to 15 mph.

  • Wednesday Night

    Mostly clear. Lows in the upper 50s to mid 60s. South wind around 10 mph becoming north after midnight.

  • Thursday

    Sunny. Highs in the mid 80s to lower 90s.

  • Thursday Night

    Mostly clear. Lows in the lower to mid 60s.

  • Friday

    Sunny. Highs in the 80s.

  • Friday Night

    Mostly clear. Lows in the lower to mid 60s.

  • Independence Day

    Sunny. Highs in the mid 80s.

  • Saturday Night

    Mostly clear. Lows near 60.

  • Sunday

    Sunny. Highs in the mid to upper 80s.

  • Sunday Night

    Mostly clear. Lows in the lower to mid 60s.

  • Monday

    Sunny. Highs in the mid 80s.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Washington 99, Seattle, WA

Updated: 1:16 AM PDT

Temperature: 71.4 °F Dew Point: 56 °F Humidity: 57% Wind: North at - Pressure: 30.14 in Hourly Precipitation: 0.00 in Heat Index: 76 °F Graphs

Location: Belltown, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 72.1 °F Dew Point: 59 °F Humidity: 62% Wind: North at - Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: 76 °F Graphs

Location: Herrera, Inc., Seattle, WA

Updated: 1:20 AM PDT

Temperature: 66.1 °F Dew Point: 59 °F Humidity: 79% Wind: SSW at 2.0 mph Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: South Lake Union, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 69.8 °F Dew Point: 58 °F Humidity: 65% Wind: North at - Pressure: 30.08 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Belltown, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 66.9 °F Dew Point: 59 °F Humidity: 75% Wind: North at - Pressure: 29.99 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Belltown, Seattle, WA

Updated: 1:20 AM PDT

Temperature: 66.0 °F Dew Point: 62 °F Humidity: 88% Wind: South at 1.1 mph Pressure: 31.05 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Belltown, Seattle, WA

Updated: 1:09 AM PDT

Temperature: 64.6 °F Dew Point: 60 °F Humidity: 84% Wind: SSW at 4.7 mph Pressure: 29.86 in Hourly Precipitation: - Heat Index: - Graphs

Location: Space Needle, Seattle, WA

Updated: 1:09 AM PDT

Temperature: 63.7 °F Dew Point: 59 °F Humidity: 83% Wind: South at 8.0 mph Pressure: 29.92 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: UW Integrated Design Lab, Bullitt Center, Seattle, WA

Updated: 1:20 AM PDT

Temperature: 65.8 °F Dew Point: 59 °F Humidity: 79% Wind: SSW at 4.0 mph Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Capitol Hill, Seattle, WA

Updated: 1:11 AM PDT

Temperature: 66.4 °F Dew Point: 60 °F Humidity: 81% Wind: SSW at 3.0 mph Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Stevens, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 69.8 °F Dew Point: 56 °F Humidity: 61% Wind: North at - Pressure: 30.12 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Queen Anne Southern Exposure, Seattle, WA

Updated: 1:18 AM PDT

Temperature: 63.7 °F Dew Point: 56 °F Humidity: 76% Wind: SW at 3.0 mph Pressure: 29.79 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Fairview Avenue East, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 68.0 °F Dew Point: 62 °F Humidity: 82% Wind: North at - Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Madison Valley, Seattle, WA

Updated: 1:19 AM PDT

Temperature: 67.8 °F Dew Point: 59 °F Humidity: 73% Wind: Calm Pressure: 29.94 in Hourly Precipitation: - Heat Index: - Graphs

Location: Unnamed Road, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 66.2 °F Dew Point: 59 °F Humidity: 77% Wind: North at - Pressure: 29.55 in Hourly Precipitation: - Heat Index: - Graphs

Location: Seattle Girls School, Seattle, WA

Updated: 1:20 AM PDT

Temperature: 65.6 °F Dew Point: 59 °F Humidity: 78% Wind: SE at 1.0 mph Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Madrona, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 66.1 °F Dew Point: 60 °F Humidity: 80% Wind: South at 3.0 mph Pressure: 30.00 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Central District, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 69.4 °F Dew Point: 57 °F Humidity: 65% Wind: North at - Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Eastlake on Lake Union, Seattle, WA

Updated: 1:17 AM PDT

Temperature: 67.5 °F Dew Point: 62 °F Humidity: 82% Wind: SSE at 2.2 mph Pressure: 29.69 in Hourly Precipitation: - Heat Index: - Graphs

Location: Leschi, Seattle, WA

Updated: 1:20 AM PDT

Temperature: 66.2 °F Dew Point: 60 °F Humidity: 79% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Northeast Seattle, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 69.1 °F Dew Point: 60 °F Humidity: 73% Wind: North at - Pressure: 30.13 in Hourly Precipitation: - Heat Index: - Graphs

Location: Queen Anne - Toddster weather, Seattle, WA

Updated: 1:20 AM PDT

Temperature: 63.6 °F Dew Point: 57 °F Humidity: 79% Wind: WSW at 2.0 mph Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Fremont Troll, Seattle, WA

Updated: 1:20 AM PDT

Temperature: 65.2 °F Dew Point: 60 °F Humidity: 82% Wind: Calm Pressure: 30.15 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: North Queen Anne, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 64.9 °F Dew Point: 59 °F Humidity: 80% Wind: North at - Pressure: 30.12 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: West Seattle (Two Dogs Observatory), Seattle, WA

Updated: 1:06 AM PDT

Temperature: 63.8 °F Dew Point: 58 °F Humidity: 82% Wind: SSW at 1.0 mph Pressure: 30.06 in Hourly Precipitation: - Heat Index: - Graphs

Location: Greater Duwamish, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 67.3 °F Dew Point: 58 °F Humidity: 71% Wind: North at - Pressure: 29.88 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Beacon Hill, Seattle, WA

Updated: 1:04 AM PDT

Temperature: 68.5 °F Dew Point: 56 °F Humidity: 69% Wind: North at - Pressure: 29.88 in Hourly Precipitation: - Heat Index: - Graphs

Location: Madison Park, Medina, WA

Updated: 1:16 AM PDT

Temperature: 72.1 °F Dew Point: 60 °F Humidity: 64% Wind: North at - Pressure: 29.92 in Hourly Precipitation: - Heat Index: 76 °F Graphs

Location: University District, Seattle, WA

Updated: 1:20 AM PDT

Temperature: 68.1 °F Dew Point: 61 °F Humidity: 79% Wind: Calm Pressure: 30.00 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Fremont, Seattle, WA

Updated: 1:15 AM PDT

Temperature: 69.4 °F Dew Point: 59 °F Humidity: 68% Wind: North at - Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: NW Queen Anne, Seattle, WA

Updated: 1:14 AM PDT

Temperature: 63.0 °F Dew Point: 59 °F Humidity: 87% Wind: SSW at 4.7 mph Pressure: 29.73 in Hourly Precipitation: - Heat Index: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Seattle Washington 
issued by National Weather Service Portland or 
903 PM PDT Monday Jun 29 2015 


Synopsis...southwesterly flow continues as an upper trough slowly 
moves northeast across the region. Another upper level trough will 
pass by to the north of the region on Tuesday enhancing onshore 
flow. High pressure aloft will rebuild over the Pacific northwest on 
Wednesday for a return to hot and dry conditions remaining into the 
Holiday weekend. 


&& 


Update...overall the forecast seems on track this evening. Seeing 
evidence of a marine push onshore and the 12z kuil upper air data 
reflects tops around 1600 feet. Expect the marine intrusion to 
progress into the lower Chehalis valley and into the south sound. 
Likely see marine clouds into SeaTac area and lingering around 
daybreak Tuesday. These marine clouds and fog should crawl inland 
and through the Strait...but not completely blanket the interior 
areas in the morning. Gusty winds likely continue in the central and 
eastern Strait of Juan Delaware fuca this evening. 


Short term /previous discussion/...southwesterly flow aloft is 
becoming more westerly this afternoon as an upper level trough is 
slowly meandering onshore per satellite imagery. Latest visible 
satellite images depict general clearing over the interior portions 
of the forecast area...with stratus remaining in Grays Harbor County 
and cumulus development over the Olympics and Cascades. Two 
clusters of thunderstorms over the offshore and coastal waters 
earlier today continue to depict less impressive radar returns along 
with a sharp decrease in detected lightning. While a few showers are 
now reaching the coast near Neah Bay...little to no quantitative precipitation forecast is 
anticipated. Did increase probability of precipitation just a little along the Cascades to 
account for some potential for a shower or thunderstorm along the 
Cascades in the next few hours...with some decent instability 
present in the models. However...seems to be enough of a cap to keep 
things going into the evening except possibly in the north. 
Introduced slight chance thunder for the North Washington Cascades 
through 06z...but the slowing motion of the upper trough seems to 
preclude this cape from being actualized elsewhere. 


Forecast models in reasonably good agreement with respect to another 
shortwave trough sliding inland well to the the north of the area 
late tonight into Tuesday...bringing increased onshore flow. This 
will result in slightly cooler temperatures for Tuesday and a push 
of marine stratus into the coastal zones and inland to perhaps 
Seattle and the central Strait of Juan Delaware fuca early Tuesday morning. 


High pressure aloft rebuilds offshore by Wednesday for relaxing low 
level onshore. With 500 mb heights rebounding to near 5900 
meters...will see high temperatures Wednesday afternoon into the 80s 
for the interior. Thursday likely even warmer with temperatures back 
to the 90s...likely the warmest day of this week. 


Long term...no changes. Previous discussion follows. Forecast 
models remain in general agreement that the upper level ridge weaken 
slightly with a few upper level shortwaves passing well to the north 
of the area. Low level flow never appears to turn fully offshore and 
with heights lowering a bit...think temperatures inland will likely 
cool a bit but remain well above seasonal normals with widespread 
80s over the interior and 70s for the coast. Cullen 


&& 


Aviation...unstable S flow aloft will continue over West Washington tonight 
as a weak upper level shortwave trough just west of the Oregon coast 
moves NE over S b.C. By 03z. More stable SW flow aloft will develop 
immediately behind the shortwave trough later this afternoon...then 
shift to west tonight and Tuesday. 


Low level onshore flow will return again tonight allowing MVFR/IFR 
stratus to push farther inland over Puget Sound sound late tonight. The 
stratus should burn off by 19z Tuesday. 


Ksea...good VFR conditions are expected this evening. Surface winds 
will remain SW 5-12 knots through 06z. MVFR/IFR stratus will probably 
reach the terminal around 14z Tuesday morning. 


&& 


Marine...a weak surface low off the Washington coast associated 
with an upper level disturbance will weaken and shift inland 
tonight. This will result in winds shifting to northwest along late 
tonight and Tuesday. Thermal low pressure inland and high pressure 
building in from the west will result in good westerly winds 
throughout The Straight of Juan Delaware fuca during the afternoon and 
evening hours this evening and again tomorrow afternoon and evening. 
The Canadian model indicates possible gales in the central and 
eastern Strait late Tuesday afternoon and Tuesday evening...while the 
NAM and GFS are not as strong. For now have kept winds just below 
gale. 


As high pressure builds offshore the gradients over the outer waters 
increase tomorrow evening through Wednesday with small craft winds 
likely. Ws 




&& 


Sew watches/warnings/advisories... 
Washington...none 


Pz...Small Craft Advisory in effect for the central and east Strait 
of Juan Delaware fuca this afternoon and tonight 


&& 


$$ 


You can see an illustrated version of this forecast discussion at 
www.Weather.Gov/Seattle/gafd/latest_webafd.Html 






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