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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Merrickville, ON
Content continues below
May
Average Temperature
High
20°
Feels 20
Low
8°
Feels 6
Average Precipitation
11 Days
Rain amount
53.7mm
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
19
28°
20
19°
21
14°
22
18°
23
18°
24
15°
25
18°
26
21°
27
21°
28
21°
29
22°
30
22°
31
22°
Forecast
Tuesday, May 19, 2026
Day
28°
Feels 35
Wind
20 km/h SW
Gust
33 km/h
Humidity
55%
P.O.P
40%
Rain
<1 mm
Night
18°
Feels 18
Wind
24 km/h SW
Gust
38 km/h
Humidity
94%
P.O.P
80%
Rain
1-3 mm
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.