Measurements:
°C
°F
Norwalk
60°F
SE 17 mph
Feels like: 56°F
Precip: 1%
World Resorts USA Norwalk Weather

Norwalk Sea Water Temperature

Current Sea Water Temperature:
+68.8°F
Maximum Sea Water Temperature in October: 74.2°F
Minimum Sea Water Temperature in October: 61.4°F
Average water temperature in October: 67.0°F

Sea Water Temperature for the Last 10 Days:

October 05 68.8°F September 30 69.6°F
October 04 69.4°F September 29 70.0°F
October 03 69.6°F September 28 71.0°F
October 02 70.6°F September 27 71.4°F
October 01 69.8°F September 26 71.6°F

When is the Warmest Sea for Norwalk?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Norwalk was 77.4°F. The maximum and minimum values were 75.8°F and 80.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Norwalk was 73.5°F. The maximum and minimum values were 70.8°F and 76.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Norwalk was 74.7°F. The maximum and minimum values were 69.6°F and 77.0°F respectively.

Best Time to Visit Norwalk
The most sunny months:
November 15 days
October 14 days
September 13 days
The most warm months:
July 86.2 °F
August 83.4 °F
June 79.5 °F
Warmest sea temperature:
August 76.9 °F
July 75.3 °F
September 74.6 °F
The most cold months:
January 34.3 °F
February 35.6 °F
December 39.7 °F
The most rainy months:
July 3 days
April 3 days
October 3 days
The most windy months:
January 10 mph
December 10 mph
November 10 mph

Norwalk on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Norwalk
Local time: 19:50
05 oct, monday
2100 60°F
SE
17 mph
06 oct, tuesday
0000 54°F
SE
16 mph
0300 52°F
SE
16 mph
0600 48°F
SE
16 mph
0900 48°F
SE
14 mph
1200 56°F
SE
11 mph
1500 62°F
SE
12 mph
1800 62°F
SE
11 mph