Measurements:
°C
°F
Oshkosh
66°F
NE 17 mph
Feels like: 66°F
Precip: 86%
World Resorts USA Oshkosh Weather August Weather in Oshkosh

Oshkosh Weather: August

Average Day Temperature: 79.5°F
Average Night Temperature: 65.4°F
Sea Water Temperature: 77.7°F
Number of Sunny Days: 15 days
Sunshine Hours: 13.3 - 14.6 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.2 in

Air Temperature in August, °F

Select Year: 2026 2025 2024

The highest day temperature in August 2026 was 99°F. The lowest night temperature was 54°F. The average values for day and night temperatures during August were 83.4°F и 65.6°F respectivly.

Oshkosh Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Oshkosh was 77.5°F. The maximum and minimum values were 73.8°F and 79.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Oshkosh is 1.2 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 8.7 mph. It makes August one of the most windless months of the year for Oshkosh.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Oshkosh in August is 9.0 hours.

Best Time to Visit Oshkosh
The most sunny months:
August 15 days
July 14 days
September 13 days
The most warm months:
July 81.4 °F
August 79.5 °F
June 76.0 °F
Warmest sea temperature:
July 78.8 °F
August 77.6 °F
June 72.3 °F
The most cold months:
January 20.6 °F
February 23.8 °F
December 28.0 °F
The most rainy months:
June 3 days
July 2 days
May 2 days
The most windy months:
November 12 mph
April 12 mph
October 11 mph

Oshkosh on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Oshkosh
Local time: 09:28
15 sep, tuesday
1200 70°F
E
15 mph
1500 76°F
E
14 mph
1800 70°F
SE
11 mph
2100 68°F
E
7 mph
16 sep, wednesday
0000 64°F
SE
8 mph
0300 60°F
SW
11 mph
0600 58°F
SW
11 mph
0900 60°F
SW
9 mph