Weather in Grand Rapids: August
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Average day temperature: | 79.1°F |
| Average night temperature: | 63.7°F | |
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Number of sunny days: | 14 days |
| Day length: | 13.2 - 14.5 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.5 in. | |
| more information | ||
14 days
forecast
forecast
| Grand Rapids |
weather in
September
September
| Grand Rapids |
Air temperature in August, °F
Show year:
2026
2025
2024
The highest day temperature during August of 2026 was 86°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during August were 80.2°F and 63.2°F.
Sunny, partly cloudy and cloudy days
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Grand Rapids in August is 1.5 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 7.2 mph It makes August one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.9.
Best time for vacation in Grand Rapids
Grand Rapids on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Rapids
Local time: 06:09
September 19, saturday
0900
50°F
W
8 mph
8 mph
1200
52°F
W
8 mph
8 mph
1500
55°F
W
8 mph
8 mph
1800
57°F
NW
9 mph
9 mph
2100
57°F
NW
10 mph
10 mph
September 20, sunday
0000
57°F
W
6 mph
6 mph
0300
57°F
W
7 mph
7 mph
0600
57°F
SW
7 mph
7 mph
