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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
South Lyon, MI
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
9°
Feels 8
Average Precipitation
11 Days
Rain amount
64.7mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
24°
5
14°
6
11°
7
12°
8
13°
9
16°
10
15°
11
15°
12
13°
13
14°
14
16°
15
16°
16
17°
17
18°
18
17°
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Monday, May 4, 2026
Day
24°
Feels 24
Wind
33 km/h SW
Gust
50 km/h
Humidity
36%
P.O.P
30%
Night
13°
Feels 10
Wind
34 km/h SW
Gust
51 km/h
Humidity
94%
P.O.P
60%
Rain
1-3 mm
Historical Averages
May 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.