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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

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

Clear

48°F

9°C

Humidity 87%
Wind Speed NNE 4 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 19 Apr 08:00 AM PDT
Extended Forecast for

Tumwater WA

  • Today

    Today: Partly sunny, with a high near 73. Calm wind becoming north around 6 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Light and variable wind.

    Low: 46 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 74. Calm wind.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming south southwest after midnight.

    Low: 46 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.

    High: 61 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. Calm wind becoming north around 6 mph.
Tonight
Increasing clouds, with a low around 46. Light and variable wind.
Monday
Mostly cloudy, with a high near 74. Calm wind.
Monday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming south southwest after midnight.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Wednesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.97°N 122.92°W (Elev. 200 ft)
Last Update:
11:26 pm PDT Apr 18, 2026
Forecast Valid:
8am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation