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

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

53°F

12°C

Humidity 96%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 15 Nov 01:09 AM PST
Extended Forecast for

5 Miles ESE Napavine WA

  • Overnight

    Overnight: Rain. Low around 49. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain

  • Saturday

    Saturday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 55. South wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 10pm, then a chance of rain after 3am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 46. Calm wind. Chance of precipitation is 30%.

    Low: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain, mainly after 10am. Areas of fog before 9am. High near 53. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain and
    Areas Fog

  • Sunday Night

    Sunday Night: Rain, mainly before midnight, then showers likely after midnight. Low around 43. Light south southwest wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, mainly before 4pm. Partly sunny, with a high near 49.

    High: 49 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 10pm. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

Detailed Forecast

Overnight
Rain. Low around 49. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 55. South wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of rain before 10pm, then a chance of rain after 3am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 46. Calm wind. Chance of precipitation is 30%.
Sunday
Rain, mainly after 10am. Areas of fog before 9am. High near 53. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before midnight, then showers likely after midnight. Low around 43. Light south southwest wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 37.
Tuesday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 49.
Tuesday Night
A slight chance of showers before 10pm. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 34.
Wednesday
Rain, mainly after 4pm. Mostly cloudy, with a high near 49.
Wednesday Night
Rain. Cloudy, with a low around 39.
Thursday
Rain likely. Mostly cloudy, with a high near 50.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36.
Friday
A chance of rain. Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Napavine WA
 46.55°N 122.82°W (Elev. 440 ft)
Last Update:
1:25 am PST Nov 15, 2025
Forecast Valid:
2am PST Nov 15, 2025-6pm PST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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