Weather information for the Mount St. Helens area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Avg. High | 45 | 51 | 56 | 60 | 67 | 74 | 78 | 80 | 74 | 64 | 52 | 45 |
Avg. Low | 34 | 36 | 38 | 41 | 47 | 52 | 56 | 56 | 52 | 44 | 38 | 34 |
Avg. Precip. | 5.4 | 3.9 | 3.6 | 2.4 | 2.1 | 1.5 | 0.6 | 1.1 | 1.8 | 2.7 | 5.3 | 6.1 |
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Tonight
Mostly Clear then Slight Chance Rain Showers
Tuesday
Chance Rain Showers
Tuesday Night
Rain Showers Likely
Wednesday
Chance Rain Showers
Wednesday Night
Slight Chance Rain Showers then Mostly Cloudy
Thursday
Mostly Sunny
Detailed Forecast |
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Tonight | A slight chance of rain showers after 5am. Mostly clear. Low around 48, with temperatures rising to around 50 overnight. South wind around 5 mph. Chance of precipitation is 20%. |
Tuesday | A chance of rain showers. Partly sunny, with a high near 58. West southwest wind around 5 mph. Chance of precipitation is 50%. |
Tuesday Night | Rain showers likely. Mostly cloudy. Low around 45, with temperatures rising to around 49 overnight. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Wednesday | A chance of rain showers. Partly sunny, with a high near 52. West northwest wind 2 to 6 mph. Chance of precipitation is 50%. |
Wednesday Night | A slight chance of rain showers before 11pm. Mostly cloudy, with a low around 37. North wind 2 to 6 mph. Chance of precipitation is 20%. |
Thursday | Mostly sunny, with a high near 59. |
Thursday Night | A slight chance of rain showers after 5am. Mostly cloudy, with a low around 45. Chance of precipitation is 20%. |
Friday | A chance of rain showers. Mostly cloudy, with a high near 60. |
Friday Night | A chance of rain showers. Mostly cloudy, with a low around 48. |
Saturday | A slight chance of rain showers. Mostly sunny, with a high near 63. |
Saturday Night | A slight chance of rain showers. Partly cloudy, with a low around 47. |
Sunday | A chance of rain. Mostly sunny, with a high near 63. |
Sunday Night | A chance of rain. Mostly cloudy, with a low around 48. |
Columbus Day | Rain likely. Partly sunny, with a high near 56. |