Current sea water temperature:
+69.6°F
| Minimum sea water temperature in September: | 76.5°F |
| Maximum sea water temperature in September: | 61.9°F |
| Average sea water temperature in September: | 69.6°F |
| more information | |
14 days
forecast
forecast
| Oshkosh |
monthly
weather
weather
| Oshkosh |
Sea water temperature for the last 10 days:
| September 15 | 69.6°F | September 10 | 73.8°F |
| September 14 | 71.2°F | September 9 | 74.5°F |
| September 13 | 72.5°F | September 8 | 74.1°F |
| September 12 | 73.0°F | September 7 | 74.7°F |
| September 11 | 73.4°F | September 6 | 74.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Oshkosh?
Based on the data about daily sea water temperature for the last three years the warmest sea in Oshkosh was noticed in July, August and June.
Monthly Sea Temperatures in Oshkosh, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 77.6°F. The highest and lowest sea temperatures during the month were 81.9°F and 74.1°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 76.5°F and 71.4°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 70.8°F. The highest and lowest sea temperatures during the month were 74.1°F and 68.0°F.
current
weather
weather
| Oshkosh |
weather in
September
September
| Oshkosh |
Best time for vacation in Oshkosh
Oshkosh on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Oshkosh
Local time: 01:53
September 16, wednesday
0300
61°F
SW
12 mph
12 mph
0600
57°F
SW
11 mph
11 mph
0900
59°F
SW
11 mph
11 mph
1200
63°F
SW
9 mph
9 mph
1500
64°F
W
6 mph
6 mph
1800
64°F
W
9 mph
9 mph
2100
61°F
W
8 mph
8 mph
September 17, thursday
0000
61°F
NW
9 mph
9 mph
