Measurements:
°C
°F
Oshkosh
86°F
NE 12 mph
Feels like: 86°F
Precip: 4%
World Resorts USA Oshkosh Weather

7 Day Weather Forecast

08.25
tue
DAY
80°F
N 9 mph
precip
6%
NIGHT
70°F
N 13 mph
precip
30%
08.26
wed
DAY
80°F
E 13 mph
precip
2%
NIGHT
72°F
S 9 mph
precip
7%
08.27
thu
DAY
78°F
SE 5 mph
precip
3%
NIGHT
64°F
SW 19 mph
precip
10%
08.28
fri
DAY
70°F
W 3 mph
precip
4%
NIGHT
64°F
NW 13 mph
precip
18%
08.29
sat
DAY
78°F
NE 14 mph
precip
12%
NIGHT
72°F
N 20 mph
precip
26%
08.30
sun
DAY
78°F
NE 21 mph
precip
36%
NIGHT
70°F
W 7 mph
precip
8%
08.31
mon
DAY
72°F
NW 9 mph
precip
71%
NIGHT
76°F
E 13 mph
precip
62%

Oshkosh Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Oshkosh was 24.1°F. The maximum and minimum values were 22.4°F and 24.7°F respectively.

Oshkosh on the Weather Map

Best Time to Visit Oshkosh
The most sunny months:
July 14 days
August 14 days
September 13 days
The most warm months:
July 81.4 °F
August 78.8 °F
June 76.0 °F
Warmest sea temperature:
July 78.8 °F
August 77.7 °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