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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Fullerton, CA
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March
Average Temperature
High
22°
Feels 22
Low
10°
Feels 10
Average Precipitation
3 Days
Rain amount
16mm
Snow amount
0cm
Content continues below
Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
25°
7
26°
8
32°
9
23°
10
23°
11
26°
12
28°
13
30°
14
28°
15
28°
16
28°
17
27°
18
29°
19
29°
20
29°
21
22
23
24
25
26
27
28
29
30
31
Forecast
Friday, March 6, 2026
Day
25°
Feels 25
Wind
17 km/h E
Gust
25 km/h
Humidity
12%
P.O.P
20%
Night
11°
Feels 9
Wind
12 km/h NE
Gust
17 km/h
Humidity
33%
P.O.P
0%
Historical Averages
Mar 6
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.