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

CASTLE ROCK (TR950)

Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.

NA

49°F

9°C

Humidity 100%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 22 Apr 11:09 AM PDT
Extended Forecast for

14 Miles WNW Mount St Helens WA

  • Today

    Today: Rain before 4pm, then a chance of rain after 5pm. High near 48. Southwest wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Tonight

    Tonight: A 30 percent chance of rain before 8pm. Mostly cloudy, with a low around 42. Light south wind.

    Low: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain after 11am. Mostly sunny, with a high near 61.

    High: 61 °F

    Chance Rain

Detailed Forecast

Today
Rain before 4pm, then a chance of rain after 5pm. High near 48. Southwest wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 30 percent chance of rain before 8pm. Mostly cloudy, with a low around 42. Light south wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 56. Light and variable wind.
Thursday Night
Mostly clear, with a low around 42. Light and variable wind.
Friday
Sunny, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A chance of rain after 11am. Mostly sunny, with a high near 61.
Sunday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 43.
Monday
A chance of rain. Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Mount St Helens WA
 46.23°N 122.47°W (Elev. 1198 ft)
Last Update:
11:27 am PDT Apr 22, 2026
Forecast Valid:
11am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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