Measurements:
°C
°F
Bellevue
60°F
N 9 mph
Feels like: 60°F
Precip: 0%
World Resorts USA Bellevue Weather

Bellevue Sea Water Temperature

Current Sea Water Temperature:
+54.2°F
Maximum Sea Water Temperature in May: 58.2°F
Minimum Sea Water Temperature in May: 49.2°F
Average water temperature in May: 52.6°F

Sea Water Temperature for the Last 10 Days:

May 14 54.2°F May 09 52.2°F
May 13 54.8°F May 08 52.8°F
May 12 54.2°F May 07 52.4°F
May 11 53.4°F May 06 54.0°F
May 10 52.6°F May 05 54.2°F

When is the Warmest Sea for Bellevue?

According to our data for the last three years for Bellevue 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: 2025 2024 2023

The average sea surface temperature in August 2025 for Bellevue was 59.2°F. The maximum and minimum values were 57.6°F and 61.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Bellevue was 58.4°F. The maximum and minimum values were 55.0°F and 60.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Bellevue was 58.1°F. The maximum and minimum values were 56.0°F and 60.0°F respectively.

Best Time to Visit Bellevue
The most sunny months:
July 20 days
August 18 days
September 14 days
The most warm months:
July 79.8 °F
August 79.4 °F
September 73.2 °F
Warmest sea temperature:
August 59.1 °F
July 58.9 °F
September 57.6 °F
The most cold months:
December 43.1 °F
January 43.4 °F
February 44.2 °F
The most rainy months:
November 6 days
January 5 days
December 3 days
The most windy months:
December 5 mph
November 5 mph
February 4 mph

Bellevue on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +58
Hawaii +78
Honolulu +78
Houston +104
Las Vegas +102
Los Angeles +76
Maui +72
Miami +90
Miami Beach +92
New York +70
San Diego +72
San Francisco +72
Sarasota +96
Tampa +96
24 Hours Weather Forecast
Bellevue
Local time: 11:58
14 may, thursday
1200 60°F
N
9 mph
1500 64°F
NE
10 mph
1800 62°F
NE
5 mph
2100 52°F
N
4 mph
15 may, friday
0000 48°F
N
7 mph
0300 46°F
N
9 mph
0600 46°F
N
8 mph
0900 50°F
N
11 mph