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14 Days
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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Thornton, ON
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May
Average Temperature
High
19°
Feels 18
Low
6°
Feels 5
Average Precipitation
11 Days
Rain amount
71.6mm
Snow amount
0.1cm
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11°
11
11°
12
15°
13
13°
14
13°
15
15°
16
17°
17
19°
18
19°
19
17°
20
17°
21
18°
22
19°
23
18°
24
19°
25
26
27
28
29
30
31
Forecast
Sunday, May 10, 2026
Day
11°
Feels 9
Wind
24 km/h NW
Gust
32 km/h
Humidity
39%
P.O.P
30%
Night
0°
Feels -4
Wind
20 km/h W
Gust
28 km/h
Humidity
80%
P.O.P
20%
Historical Averages
May 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.