Weather in Wisconsin Dells: August
| Average day temperature: | 78.5°F | |
| Average night temperature: | 62.7°F | |
| Number of sunny days: | 15 days | |
| Day length: | 13.2 - 14.5 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 1.1 in. | |
| more information | ||
14 days
forecast
forecast
| Wisconsin Dells |
weather in
September
September
| Wisconsin Dells |
Air temperature in August, °F
Show year:
2026
2025
2024
The highest day temperature during August of 2026 was 92°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during August were 78.7°F and 62.0°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 Wisconsin Dells in August is 1.1 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 6.9 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: 8.8.
Best time for vacation in Wisconsin Dells
Wisconsin Dells on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Wisconsin Dells
Local time: 05:08
September 19, saturday
0600

55°F
W
11 mph
11 mph
0900

57°F
NW
11 mph
11 mph
1200

59°F
NW
11 mph
11 mph
1500

59°F
NW
7 mph
7 mph
1800

61°F
W
5 mph
5 mph
2100

61°F
W
6 mph
6 mph
September 20, sunday
0000

61°F
W
6 mph
6 mph
0300

59°F
SW
11 mph
11 mph



























