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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
California, ON
Content continues below
May
Average Temperature
High
20°
Feels 19
Low
7°
Feels 5
Average Precipitation
10 Days
Rain amount
56.1mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
May 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
28°
19
27°
20
17°
21
14°
22
18°
23
15°
24
15°
25
20°
26
21°
27
21°
28
21°
29
22°
30
21°
31
21°
Forecast
Monday, May 18, 2026
Day
28°
Feels 34
Wind
22 km/h SE
Gust
49 km/h
Humidity
51%
P.O.P
90%
Rain
~5 mm
Night
18°
Feels 18
Wind
20 km/h SW
Gust
43 km/h
Humidity
94%
P.O.P
60%
Rain
~1 mm
Historical Averages
May 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.