Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

Lat: 46.97333°NLon: 122.90333°WElev: 203.0ft.

Overcast

52°F

11°C

Humidity 62%
Wind Speed S 16 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 Jan 04:35 AM PST
Extended Forecast for

Tumwater WA

  • Overnight

    Overnight: A 50 percent chance of rain.  Mostly cloudy, with a low around 45. South southwest wind around 9 mph.

    Low: 45 °F

    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 52. South southwest wind 7 to 10 mph.

    High: 52 °F

    Chance Rain

  • Monday Night

    Monday Night: A 10 percent chance of rain before 8pm.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 43. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of dense fog before 1pm, then patchy dense fog after 4pm.  Otherwise, partly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Areas Dense
    Fog

  • Tuesday Night

    Tuesday Night: Patchy dense fog.  Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 7am, then patchy dense fog after 4pm.  Otherwise, mostly cloudy, with a high near 50.

    High: 50 °F

    Patchy Dense
    Fog

  • Wednesday Night

    Wednesday Night: Patchy fog before 7pm.  Otherwise, mostly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 45. South southwest wind around 9 mph.
Monday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 52. South southwest wind 7 to 10 mph.
Monday Night
A 10 percent chance of rain before 8pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 43. South southwest wind around 5 mph becoming calm in the evening.
Tuesday
Areas of dense fog before 1pm, then patchy dense fog after 4pm. Otherwise, partly sunny, with a high near 54. Calm wind.
Tuesday Night
Patchy dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Wednesday
Patchy dense fog before 7am, then patchy dense fog after 4pm. Otherwise, mostly cloudy, with a high near 50.
Wednesday Night
Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 34.
Saturday
Patchy fog. Otherwise, sunny, with a high near 51.
Saturday Night
Patchy fog. Otherwise, mostly clear, with a low around 34.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 47.01°N 122.93°W (Elev. 148 ft)
1:25 am PST Jan 12, 2026
4am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database