Measurements:
°C
°F
Bellevue
54°F
W 2 mph
Feels like: 54°F
Precip: 30%
World Resorts USA Bellevue Weather

Bellevue Sea Water Temperature

Current Sea Water Temperature:
+57.8°F
Maximum Sea Water Temperature in September: 60.2°F
Minimum Sea Water Temperature in September: 55.2°F
Average water temperature in September: 57.6°F

Sea Water Temperature for the Last 10 Days:

September 15 57.8°F September 10 58.4°F
September 14 57.8°F September 09 58.4°F
September 13 57.8°F September 08 59.0°F
September 12 58.6°F September 07 59.6°F
September 11 59.0°F September 06 58.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Bellevue was 59.6°F. The maximum and minimum values were 58.6°F and 60.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Bellevue was 58.3°F. The maximum and minimum values were 55.8°F and 62.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Bellevue was 58.4°F. The maximum and minimum values were 57.4°F and 59.6°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 79.6 °F
August 79.3 °F
September 73.2 °F
Warmest sea temperature:
August 59.2 °F
July 58.8 °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 +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 +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Bellevue
Local time: 07:33
15 sep, tuesday
0900 56°F
W
2 mph
1200 60°F
SW
5 mph
1500 68°F
S
6 mph
1800 66°F
S
7 mph
2100 58°F
S
5 mph
16 sep, wednesday
0000 56°F
S
4 mph
0300 54°F
SW
3 mph
0600 52°F
SW
2 mph