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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

69°F

21°C

Humidity 67%
Wind Speed NNW 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 04 Jul 06:30 PM PDT
Extended Forecast for

2 Miles NNW Sammamish WA

  • Tonight

    Tonight: Partly cloudy, with a low around 51. North wind 5 to 10 mph becoming light north northeast after midnight.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 75. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 75 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. North wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Light northwest wind.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain. Mostly cloudy, with a high near 71.

    High: 71 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. North wind 5 to 10 mph becoming light north northeast after midnight.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 75. Calm wind becoming north northwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 51. North wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Light northwest wind.
Monday Night
Mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 71.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 51.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 53.
Saturday
A slight chance of rain. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Sammamish WA
 47.65°N 122.05°W (Elev. 200 ft)
Last Update:
11:26 am PDT Jul 4, 2026
Forecast Valid:
7pm PDT Jul 4, 2026-6pm PDT Jul 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation