Measurements:
°C
°F
CURRENT WEATHER
11:16
Juneau
56°F
SE 2 mph
Feels like: 58°F
Precip: 17%
World Resorts USA Juneau Weather

7 Day Weather Forecast

08.05
wed
DAY
56°F
SE 2 mph
precip
17%
NIGHT
40°F
SW 2 mph
precip
19%
08.06
thu
DAY
58°F
SE 2 mph
precip
11%
NIGHT
42°F
SW 2 mph
precip
18%
08.07
fri
DAY
54°F
S 1 mph
precip
20%
NIGHT
42°F
W 2 mph
precip
40%
08.08
sat
DAY
48°F
W 0 mph
precip
37%
NIGHT
40°F
SW 4 mph
precip
24%
08.09
sun
DAY
56°F
S 2 mph
precip
19%
NIGHT
46°F
SW 4 mph
precip
19%
08.10
mon
DAY
48°F
SW 2 mph
precip
19%
NIGHT
42°F
W 3 mph
precip
82%
08.11
tue
DAY
46°F
W 4 mph
precip
49%
NIGHT
42°F
W 4 mph
precip
53%

Juneau Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Juneau was 13.3°F. The maximum and minimum values were 12.4°F and 14.4°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 56.8 °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