Measurements:
°C
°F
Girdwood
48°F
SW 4 mph
Feels like: 46°F
Precip: 75%
World Resorts USA Girdwood Weather

Girdwood Sea Water Temperature

Current Sea Water Temperature:
+54.8°F
Maximum Sea Water Temperature in July: 60.6°F
Minimum Sea Water Temperature in July: 50.6°F
Average water temperature in July: 55.3°F

Sea Water Temperature for the Last 10 Days:

July 15 54.8°F July 10 55.0°F
July 14 55.0°F July 09 54.6°F
July 13 55.2°F July 08 54.6°F
July 12 55.6°F July 07 53.6°F
July 11 55.2°F July 06 52.6°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 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 Girdwood was 53.1°F. The maximum and minimum values were 50.0°F and 56.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Girdwood was 54.3°F. The maximum and minimum values were 52.4°F and 56.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Girdwood was 51.6°F. The maximum and minimum values were 49.4°F and 54.0°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 61.6 °F
August 59.0 °F
June 58.0 °F
Warmest sea temperature:
August 55.9 °F
July 55.4 °F
September 51.8 °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 5 days
The most windy months:
January 6 mph
February 6 mph
December 6 mph

Girdwood on the Weather Map

USA Resorts:
NAME
Boston +96
Chicago +86
Hawaii +82
Houston +80
Las Vegas +118
Los Angeles +100
Maui +78
Miami +96
Myrtle Beach +90
New York +104
San Diego +94
San Francisco +82
Santa Monica +82
Sarasota +96
Tampa +98
24 Hours Weather Forecast
Girdwood
Local time: 12:50
15 jul, wednesday
1500 50°F
SW
2 mph
1800 50°F
W
4 mph
2100 50°F
W
4 mph
16 jul, thursday
0000 32°F
W
6 mph
0300 34°F
W
6 mph
0600 46°F
W
7 mph
0900 48°F
NW
7 mph
1200 48°F
W
7 mph