Monthly Historical AveragesFort Gratiot Lighthouse, MI

Average Temperature
High
18°
Feels 18
Low
9°
Feels 7
Average Precipitation
7 Days
Rain amount
22.1mm
Snow amount
0cm
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Daily Historical Averages

S
M
T
W
T
F
S
ForecastSaturday, May 23, 2026
Day
Rain
14°Feels 12
Wind
34 km/h E
Gust
56 km/h
Humidity
88%
P.O.P
100%
Rain
20-25 mm
Night
Cloudy with showers
12°Feels 10
Wind
17 km/h SW
Gust
44 km/h
Humidity
100%
P.O.P
70%
Rain
~1 mm
Historical AveragesMay 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
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