Susanville, CA 96127 Monthly Weather

Lassen County5:19 AM PDT40.42°N, 120.65°W
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October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
181°/47°Avg 74°/41°
286°/46°Avg 74°/40°
386°/46°Avg 73°/40°
4Avg 73°/40°
5Avg 72°/39°
6Avg 72°/39°
786°/46°Avg 71°/39°
884°/46°Avg 71°/38°
985°/35°Avg 70°/38°
10Avg 70°/38°
1172°/30°Avg 70°/37°
12Avg 69°/37°
13Avg 68°/37°
14Avg 68°/36°
1568°/26°Avg 68°/36°
1671°/26°Avg 67°/36°
1774°/26°Avg 67°/35°
18Avg 66°/35°
1978°/26°Avg 66°/35°
20Avg 65°/35°
2171°/44°Avg 65°/34°
22 Showers And Thunderstorms 61°/34°Avg 64°/34°
23 Sunny 60°/26°Avg 64°/34°
24 Sunny 63°/28°Avg 63°/33°
25 Sunny 68°/30°Avg 63°/33°
26 Sunny 66°/29°Avg 62°/33°
27 Mostly Sunny 65°/30°Avg 62°/33°
28 Mostly Sunny 65°/–Avg 61°/32°
29 Cloudy 63°/40°Avg 61°/32°
30 Cloudy 66°/38°Avg 60°/32°
31Avg 60°/32°
Average high79° (normal 70°)
Average low37° (normal 37°)
Warmest / coldest86° / 26°
Precipitation0.00 in (normal 0.32 in to date)
Record high today80° (1942)
Record low today15° (1961)

Observed: Susanville 2sw, 1 km away, records since 1895. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.