The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Napa, CA
Content continues below
Content continues below
Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
24°
8
23°
9
21°
10
20°
11
21°
12
22°
13
25°
14
23°
15
23°
16
26°
17
24°
18
23°
19
24°
20
24°
21
22°
22
23
24
25
26
27
28
29
30
31
Forecast
Saturday, March 7, 2026
Day
24°
Feels 24
Wind
21 km/h N
Gust
32 km/h
Humidity
31%
P.O.P
10%
Night
10°
Feels 9
Wind
11 km/h NE
Gust
16 km/h
Humidity
87%
P.O.P
0%
Historical Averages
Mar 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
March
Average Temperature
High
18°
Feels 18
Low
7°
Feels 6
Average Precipitation
7 Days
Rain amount
49.2mm
Snow amount
0cm