Measurements:
°C
°F
Girdwood
42°F
W 9 mph
Feels like: 36°F
Precip: 36%
World Resorts USA Girdwood Weather

Girdwood Sea Water Temperature

Current Sea Water Temperature:
+42.2°F
Maximum Sea Water Temperature in October: 49.4°F
Minimum Sea Water Temperature in October: 41.4°F
Average water temperature in October: 45.3°F

Sea Water Temperature for the Last 10 Days:

October 05 42.2°F September 30 41.4°F
October 04 42.0°F September 29 44.6°F
October 03 43.2°F September 28 45.0°F
October 02 43.6°F September 27 46.4°F
October 01 43.0°F September 26 45.8°F

When is the Warmest Sea for Girdwood?

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

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 Girdwood was 55.7°F. The maximum and minimum values were 52.4°F and 58.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Girdwood was 53.9°F. The maximum and minimum values were 50.6°F and 56.6°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Girdwood was 52.4°F. The maximum and minimum values were 45.4°F and 57.2°F respectively.

Best Time to Visit Girdwood
The most sunny months:
January 7 days
November 7 days
December 7 days
The most warm months:
July 60.8 °F
August 58.4 °F
June 58.0 °F
Warmest sea temperature:
August 55.8 °F
July 55.2 °F
June 51.4 °F
The most cold months:
December 11.5 °F
January 14.0 °F
November 17.2 °F
The most rainy months:
September 7 days
October 5 days
August 4 days
The most windy months:
January 6 mph
February 6 mph
December 6 mph

Girdwood 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
Girdwood
Local time: 16:27
05 oct, monday
1800 42°F
W
7 mph
2100 40°F
W
6 mph
06 oct, tuesday
0000 40°F
W
6 mph
0300 40°F
W
6 mph
0600 38°F
W
6 mph
0900 40°F
W
6 mph
1200 42°F
NW
5 mph
1500 42°F
NW
5 mph