Current sea water temperature:
+34.0°F
| Minimum sea water temperature in March: | 40.3°F |
| Maximum sea water temperature in March: | 32.2°F |
| Average sea water temperature in March: | 34.4°F |
| more information | |
14 days
forecast
forecast
| Oshkosh |
monthly
weather
weather
| Oshkosh |
Sea water temperature for the last 10 days:
| March 18 | 34.0°F | March 13 | 33.8°F |
| March 17 | 34.2°F | March 12 | 33.8°F |
| March 16 | 34.2°F | March 11 | 33.8°F |
| March 15 | 34.3°F | March 10 | 34.0°F |
| March 14 | 34.5°F | March 9 | 34.0°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 81.5°F and 74.8°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.4°F. The highest and lowest sea temperatures during the month were 79.0°F and 68.2°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 68.5°F. The highest and lowest sea temperatures during the month were 75.7°F and 61.2°F.
current
weather
weather
| Oshkosh |
weather in
March
March
| Oshkosh |
Best time for vacation in Oshkosh
Oshkosh on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Oshkosh
Local time: 10:35
March 18, wednesday
1200

30°F
NE
11 mph
11 mph
1500

36°F
NE
9 mph
9 mph
1800

34°F
NE
7 mph
7 mph
2100

34°F
NE
6 mph
6 mph
March 19, thursday
0000

32°F
E
6 mph
6 mph
0300

32°F
NE
4 mph
4 mph
0600

34°F
N
4 mph
4 mph
0900

36°F
NW
5 mph
5 mph



























