| NWS Forecast for: Lassen Volcanic National Park Issued by: National Weather Service Sacramento, CA Last Update: 202 PM PDT Tue Sep 8 2026 | |
| Tonight: Clear. Lows 46 to 54. Southeast winds up to 10 mph. Wednesday: Sunny, warmer. Highs 71 to 81. South winds up to 10 mph in the morning becoming light. Wednesday Night: Mostly clear. Lows 50 to 58. Light winds. Thursday: Partly cloudy. Highs 68 to 78. Southwest winds up to 10 mph. Gusts up to 20 mph in the afternoon. Thursday Night: Mostly clear. Lows 47 to 53. Southwest winds up to 10 mph with gusts to around 20 mph. Friday: Sunny. Highs 63 to 73. Friday Night: Clear. Lows 42 to 48. Saturday Through Tuesday: Clear. Highs 54 to 64. Lows 36 to 46. | |
| Zone Forecast: Lassen Volcanic National Park | |
Visit your local NWS office at: https://www.weather.gov/sto |