National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

67°F

19°C

Humidity 67%
Wind Speed S 8 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 18 Sep 01:30 PM PDT
Extended Forecast for

Seattle-University WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. South southwest wind around 5 mph becoming calm.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. South southwest wind around 5 mph becoming calm.
Tonight
Increasing clouds, with a low around 53. Calm wind.
Saturday
Partly sunny, with a high near 73. Calm wind.
Saturday Night
Mostly clear, with a low around 52. Calm wind.
Sunday
Mostly sunny, with a high near 72. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seattle-University WA
 47.67°N 122.31°W (Elev. 187 ft)
Last Update:
1:27 pm PDT Sep 18, 2026
Forecast Valid:
2pm PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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Chance of Precipitation