Measurements:
°C
°F
Girdwood
46°F
NW 11 mph
Feels like: 42°F
Precip: 73%
World Resorts USA Girdwood Weather

7 Day Weather Forecast

08.25
tue
DAY
46°F
NW 12 mph
precip
34%
NIGHT
44°F
S 5 mph
precip
86%
08.26
wed
DAY
50°F
E 7 mph
precip
12%
NIGHT
42°F
S 6 mph
precip
9%
08.27
thu
DAY
50°F
E 6 mph
precip
4%
NIGHT
46°F
W 7 mph
precip
17%
08.28
fri
DAY
40°F
NW 14 mph
precip
74%
NIGHT
42°F
W 8 mph
precip
50%
08.29
sat
DAY
44°F
SE 6 mph
precip
32%
NIGHT
44°F
SE 6 mph
precip
42%
08.30
sun
DAY
46°F
E 4 mph
precip
21%
NIGHT
44°F
W 9 mph
precip
33%
08.31
mon
DAY
42°F
NW 8 mph
precip
53%
NIGHT
40°F
NE 4 mph
precip
78%

Girdwood Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Girdwood was 12.9°F. The maximum and minimum values were 11.5°F and 14.1°F respectively.

Girdwood on the Weather Map

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 59.0 °F
June 58.0 °F
Warmest sea temperature:
August 55.9 °F
July 55.2 °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