The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Port Sanilac, MI
Content continues below
May
Average Temperature
High
15°
Feels 14
Low
7°
Feels 5
Average Precipitation
8 Days
Rain amount
27.2mm
Snow amount
0cm
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
26°
19
26°
20
9°
21
10°
22
14°
23
14°
24
16°
25
15°
26
15°
27
15°
28
15°
29
16°
30
15°
31
16°
Forecast
Monday, May 18, 2026
Day
26°
Feels 26
Wind
30 km/h S
Gust
44 km/h
Humidity
54%
P.O.P
30%
Night
16°
Feels 15
Wind
29 km/h SW
Gust
43 km/h
Humidity
100%
P.O.P
70%
Rain
5-10 mm
Historical Averages
May 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.