Juneau, AK 14-Day Forecast
Alaska, United States 🇺🇸
48°
Overcast right now
Today: high 51°, low 48°
Updated 2 hours ago
Juneau weather for the next 14 days
Thursday, August 27
Fog High 53° Low 45°Precipitation
72%
· 0.05 in
Max wind
4 mph
Humidity
91%
UV index
3 - Low
Sunrise / sunset
05:46 AM / 08:11 PM
Friday, August 28
Patchy rain nearby High 53° Low 45°Precipitation
74%
· 0.09 in
Max wind
5 mph
Humidity
87%
UV index
3 - Moderate
Sunrise / sunset
05:48 AM / 08:09 PM
Saturday, August 29
Light rain shower High 48° Low 44°Precipitation
95%
· 0.6 in
Max wind
10 mph
Humidity
99%
UV index
2 - Low
Sunrise / sunset
05:50 AM / 08:06 PM
Sunday, August 30
Light rain shower High 50° Low 48°Precipitation
95%
· 0.42 in
Max wind
4 mph
Humidity
98%
UV index
3 - Moderate
Sunrise / sunset
05:52 AM / 08:03 PM
Monday, August 31
Fog High 52° Low 46°Precipitation
87%
· 0.12 in
Max wind
6 mph
Humidity
95%
UV index
3 - Moderate
Sunrise / sunset
05:55 AM / 08:00 PM
Tuesday, September 1
Light rain shower High 49° Low 42°Precipitation
94%
· 1.01 in
Max wind
8 mph
Humidity
97%
UV index
2 - Low
Sunrise / sunset
05:57 AM / 07:58 PM
Wednesday, September 2
Light rain shower High 50° Low 45°Precipitation
88%
· 0.19 in
Max wind
2 mph
Humidity
92%
UV index
2 - Low
Sunrise / sunset
05:59 AM / 07:55 PM
Thursday, September 3
Patchy rain nearby High 52° Low 44°Precipitation
58%
· 0.04 in
Max wind
7 mph
Humidity
79%
UV index
4 - Moderate
Sunrise / sunset
06:01 AM / 07:52 PM
Friday, September 4
Overcast High 57° Low 43°Precipitation
10%
· 0.0 in
Max wind
6 mph
Humidity
57%
UV index
4 - Moderate
Sunrise / sunset
06:03 AM / 07:49 PM
Saturday, September 5
Sunny High 57° Low 46°Precipitation
9%
· 0.0 in
Max wind
4 mph
Humidity
70%
UV index
4 - Moderate
Sunrise / sunset
06:06 AM / 07:46 PM
Sunday, September 6
Overcast High 57° Low 49°Precipitation
22%
· 0.0 in
Max wind
5 mph
Humidity
85%
UV index
4 - Moderate
Sunrise / sunset
06:08 AM / 07:43 PM
Monday, September 7
Sunny High 60° Low 49°Precipitation
10%
· 0.0 in
Max wind
5 mph
Humidity
81%
UV index
5 - Moderate
Sunrise / sunset
06:10 AM / 07:41 PM
Tuesday, September 8
Overcast High 55° Low 47°Precipitation
84%
· 0.13 in
Max wind
6 mph
Humidity
89%
UV index
3 - Moderate
Sunrise / sunset
06:12 AM / 07:38 PM
Juneau 14-day outlook: the story
The warmest day of Juneau's 14-day outlook is Monday, September 7 with a high near 60°F (15°C); the coolest night comes Tuesday, September 1, dipping to 42°F (5°C). The trend points warmer: week two runs about 4°F above week one. Highs over the next two weeks average 51°F (10°C), about 12°F (7°C) below the typical August high of 63°F (17°C).
Precipitation is most likely on Wednesday 26, Thursday 27, Friday 28, Saturday 29 and beyond; the wettest day looks like Tuesday, September 1 with about 1.01 in (25.6 mm) expected. For the weekend, expect Saturday 48°F (9°C) and light rain shower / Sunday 50°F (10°C) and light rain shower.
For typical conditions month by month, see the Juneau climate & average temperatures guide.
Juneau forecast questions
Will it rain in Juneau this week?
The forecast currently shows meaningful precipitation chances on 10 of the next 14 days, peaking around Tuesday, September 1.
What will be the warmest day in Juneau over the next 14 days?
Monday, September 7, with a forecast high near 60°F (15°C).
How accurate is a 14-day forecast for Juneau?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Juneau by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 32° | 25° | 20 | 12.7 in | 2.2 h/day | 77% |
| February | 31° | 24° | 17 | 8.4 in | 4.2 h/day | 74% |
| March | 36° | 28° | 18 | 7.4 in | 6.0 h/day | 74% |
| April | 43° | 33° | 18 | 7.6 in | 7.4 h/day | 78% |
| May | 54° | 41° | 16 | 7.4 in | 9.4 h/day | 79% |
| June | 61° | 50° | 19 | 6.6 in | 9.4 h/day | 82% |
| July | 64° | 54° | 18 | 9.9 in | 8.5 h/day | 86% |
| August | 63° | 53° | 19 | 13.8 in | 7.8 h/day | 87% |
| September | 56° | 47° | 21 | 15.5 in | 5.8 h/day | 86% |
| October | 46° | 38° | 21 | 14.9 in | 4.0 h/day | 84% |
| November | 36° | 29° | 22 | 11.9 in | 2.3 h/day | 79% |
| December | 32° | 25° | 22 | 12.6 in | 1.6 h/day | 79% |
14-day forecasts nearby