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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Union City, CA
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Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
24°
22
23°
23
23°
24
25°
25
22°
26
21°
27
20°
28
16°
29
15°
30
13°
31
14°
Forecast
Saturday, March 21, 2026
Day
24°
Feels 24
Wind
12 km/h W
Gust
19 km/h
Humidity
45%
P.O.P
20%
Night
10°
Feels 10
Wind
8 km/h SW
Gust
12 km/h
Humidity
87%
P.O.P
0%
Historical Averages
Mar 21
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 17
Low
8°
Feels 7
Average Precipitation
7 Days
Rain amount
49.3mm
Snow amount
0cm