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Current conditions at
CASTLE ROCK (TR950)
Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.NA
59°F
15°C
| Humidity | 89% |
| Wind Speed | SE 1 MPH |
| Barometer | NA |
| Dewpoint | 56°F (13°C) |
| Visibility | NA |
| Last update | 18 Aug 11:09 PM PDT |
Extended Forecast for
12 Miles WNW Mount St Helens WA
Tonight
Low: 55 °F
Partly Cloudy
Wednesday
High: 75 °F
Partly Sunny
Wednesday Night
Low: 58 °F
Partly Cloudy
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 62 °F
Increasing
CloudsFriday
High: 78 °F
Mostly Cloudy
Friday Night
Low: 59 °F
Chance Rain
Saturday
High: 65 °F
Chance Rain
then Partly
SunnySaturday Night
Low: 55 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 55. Calm wind.
Wednesday
Partly sunny, with a high near 75. Calm wind.
Wednesday Night
Partly cloudy, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 79. Light and variable wind.
Thursday Night
Increasing clouds, with a low around 62. Calm wind.
Friday
Mostly cloudy, with a high near 78.
Friday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 59.
Saturday
A chance of rain before 11am. Mostly cloudy, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
12 Miles WNW Mount St Helens WA
46.23°N 122.44°W (Elev. 1240 ft)
46.23°N 122.44°W (Elev. 1240 ft)
11:41 pm PDT Aug 18, 2026
11pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
Additional Resources
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Hourly Weather Forecast
