Monthly Historical AveragesNapa, CA
Average Temperature
High
24°
Feels 24
Low
9°
Feels 9
Average Precipitation
3 Days
9.4mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, May 16, 2026
Day
27°Feels 27
Wind
19 km/h W
Gust
29 km/h
Humidity
27%
P.O.P
10%
Night
9°Feels 9
Wind
15 km/h W
Gust
23 km/h
Humidity
75%
P.O.P
20%
Historical AveragesMay 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity