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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
The Blue Mountains, ON
Mother's Day weekend forecast
Content continues below
May
Average Temperature
High
17°
Feels 17
Low
7°
Feels 4
Average Precipitation
7 Days
Rain amount
31.6mm
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
15°
10
10°
11
7°
12
8°
13
9°
14
12°
15
14°
16
15°
17
15°
18
18°
19
15°
20
16°
21
17°
22
16°
23
16°
24
25
26
27
28
29
30
31
Forecast
Saturday, May 9, 2026
Day
15°
Feels 13
Wind
28 km/h S
Gust
42 km/h
Humidity
58%
P.O.P
80%
Rain
~5 mm
Night
2°
Feels -3
Wind
26 km/h W
Gust
39 km/h
Humidity
93%
P.O.P
60%
Rain
~1 mm
Historical Averages
May 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.