Measurements:
°C
°F
CURRENT WEATHER
13:56
Juneau
44°F
SW 4 mph
Feels like: 42°F
Precip: 33%
World Resorts USA Juneau Weather

7 Day Weather Forecast

08.25
tue
DAY
44°F
SW 4 mph
precip
29%
NIGHT
42°F
SW 6 mph
precip
42%
08.26
wed
DAY
46°F
SW 4 mph
precip
30%
NIGHT
44°F
SE 3 mph
precip
83%
08.27
thu
DAY
40°F
SE 3 mph
precip
78%
NIGHT
36°F
SW 7 mph
precip
11%
08.28
fri
DAY
42°F
SW 2 mph
precip
27%
NIGHT
40°F
NW 3 mph
precip
56%
08.29
sat
DAY
40°F
W 6 mph
precip
80%
NIGHT
40°F
W 5 mph
precip
68%
08.30
sun
DAY
42°F
SW 7 mph
precip
72%
NIGHT
40°F
SW 4 mph
precip
53%
08.31
mon
DAY
40°F
NW 3 mph
precip
69%
NIGHT
40°F
W 4 mph
precip
76%

Juneau Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Juneau was 14.0°F. The maximum and minimum values were 12.9°F and 15.1°F respectively.

Juneau on the Weather Map

Best Time to Visit Juneau
The most sunny months:
February 5 days
March 5 days
April 5 days
The most warm months:
August 58.0 °F
July 57.2 °F
June 54.4 °F
Warmest sea temperature:
August 57.0 °F
July 56.6 °F
September 52.0 °F
The most cold months:
December 23.9 °F
January 26.3 °F
February 28.1 °F
The most rainy months:
October 12 days
September 10 days
January 9 days
The most windy months:
November 7 mph
December 7 mph
January 7 mph
more details