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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Riley, MI
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
9°
Feels 8
Average Precipitation
10 Days
Rain amount
66.3mm
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
28°
17
30°
18
31°
19
29°
20
16°
21
15°
22
19°
23
21°
24
21°
25
21°
26
22°
27
23°
28
23°
29
23°
30
23°
31
Forecast
Saturday, May 16, 2026
Day
28°
Feels 28
Wind
30 km/h W
Gust
45 km/h
Humidity
48%
P.O.P
80%
Rain
~5 mm
Night
13°
Feels 12
Wind
23 km/h SW
Gust
35 km/h
Humidity
94%
P.O.P
20%
Historical Averages
May 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.