Measurements:
°C
°F
Appleton
66°F
NE 14 mph
Feels like: 66°F
Precip: 34%
World Resorts USA Appleton Weather

Appleton Sea Water Temperature

Current Sea Water Temperature:
+72.8°F
Maximum Sea Water Temperature in September: 80.8°F
Minimum Sea Water Temperature in September: 60.8°F
Average water temperature in September: 71.8°F

Sea Water Temperature for the Last 10 Days:

September 15 72.8°F September 10 77.0°F
September 14 74.4°F September 09 77.4°F
September 13 75.2°F September 08 77.4°F
September 12 75.8°F September 07 78.4°F
September 11 76.6°F September 06 78.6°F

When is the Warmest Sea for Appleton?

According to our data for the last three years for Appleton the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Appleton was 80.9°F. The maximum and minimum values were 77.6°F and 85.4°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Appleton was 78.3°F. The maximum and minimum values were 74.4°F and 80.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Appleton was 77.4°F. The maximum and minimum values were 72.8°F and 80.8°F respectively.

Best Time to Visit Appleton
The most sunny months:
August 15 days
September 14 days
October 14 days
The most warm months:
July 82.8 °F
August 81.0 °F
June 77.5 °F
Warmest sea temperature:
July 78.9 °F
August 77.9 °F
June 71.5 °F
The most cold months:
January 20.2 °F
February 23.9 °F
December 27.2 °F
The most rainy months:
June 4 days
April 3 days
March 2 days
The most windy months:
April 11 mph
March 10 mph
November 10 mph

Appleton 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 +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
Appleton
Local time: 08:38
15 sep, tuesday
0900 66°F
NE
14 mph
1200 76°F
E
15 mph
1500 74°F
E
14 mph
1800 66°F
SE
8 mph
2100 66°F
SE
5 mph
16 sep, wednesday
0000 60°F
SW
7 mph
0300 58°F
SW
7 mph
0600 56°F
SW
6 mph