Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Arlington Municipal Airport (KAWO)

Lat: 48.1585°NLon: 122.15909°WElev: 125.0ft.

Mostly Cloudy

64°F

18°C

Humidity 55%
Wind Speed NW 8 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 29 Aug 07:05 PM PDT
Extended Forecast for

4 Miles NNW Arlington WA

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Light and variable wind.

    Low: 50 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog between 4am and 5am.  Otherwise, mostly cloudy, with a low around 52. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely.  Cloudy, with a high near 68.

    High: 68 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 50. Light and variable wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 49. Light and variable wind.
Monday
Mostly sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 52. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 73.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 54.
Wednesday
Rain likely. Cloudy, with a high near 68.
Wednesday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 52.
Thursday
A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 69.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Partly sunny, with a high near 70.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Saturday
A slight chance of rain. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Arlington WA
 48.25°N 122.16°W (Elev. 200 ft)
12:20 pm PDT Aug 29, 2026
7pm PDT Aug 29, 2026-6pm PDT Sep 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database