Weather information for the Lassen Volcanic NP area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Lassen National Park is very much an alpine park and the weather reflects this. Below 7,500 feet elevation, the summers are mildly warm and the winters are cool to cold. Rise above this elevation and the winters become harsh and the summers cool. Precipitation in Lassen is quite high - in fact, the area around the park's Lake Helen is possibly the snowiest place in California.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
Avg. High | 42 | 46 | 51 | 59 | 68 | 76 | 84 | 84 | 77 | 66 | 50 | 42 | |
Avg. Low | 20 | 23 | 26 | 29 | 35 | 42 | 46 | 44 | 39 | 32 | 26 | 21 | |
Precipitation | 5.9 | 5.6 | 4.9 | 2.0 | 1.6 | 0.8 | 0.4 | 0.4 | 0.9 | 2.0 | 3.8 | 4.6 | |
Overnight
Partly Cloudy
Saturday
Mostly Sunny
Saturday Night
Mostly Clear
Sunday
Sunny
Sunday Night
Partly Cloudy
M.L. King Jr. Day
Sunny
Detailed Forecast |
|
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Overnight | Partly cloudy, with a low around 29. Southeast wind around 5 mph. |
Saturday | Mostly sunny. High near 50, with temperatures falling to around 43 in the afternoon. East northeast wind 3 to 7 mph. |
Saturday Night | Mostly clear, with a low around 29. Northeast wind 7 to 12 mph. |
Sunday | Sunny, with a high near 54. East northeast wind 3 to 8 mph. |
Sunday Night | Partly cloudy, with a low around 25. Northeast wind 8 to 18 mph, with gusts as high as 28 mph. |
M.L. King Jr. Day | Sunny, with a high near 42. |
Monday Night | Clear, with a low around 20. |
Tuesday | Sunny, with a high near 39. |
Tuesday Night | Mostly clear, with a low around 21. |
Wednesday | Sunny, with a high near 46. |
Wednesday Night | Mostly clear, with a low around 20. |
Thursday | Mostly sunny, with a high near 41. |
Thursday Night | Partly cloudy, with a low around 18. |
Friday | A slight chance of snow showers after 10am. Mostly sunny, with a high near 35. |