Monthly Historical AveragesGuerneville, CA
Average Temperature
High
15°
Feels 15
Low
5°
Feels 4
Average Precipitation
7 Days
68mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, February 22, 2026
Day
14°Feels 13
Wind
23 km/h SE
Gust
35 km/h
Humidity
76%
P.O.P
60%
Rain
1-3 mm
Night
8°Feels 6
Wind
15 km/h E
Gust
23 km/h
Humidity
93%
P.O.P
40%
Rain
~1 mm
Historical AveragesFeb 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity