Juneau, AK 14-Day Forecast
Alaska, United States 🇺🇸
48°
Cloudy right now
Today: high 61°, low 46°
Updated 2 hours ago
Juneau weather for the next 14 days
Tuesday, August 11
Patchy rain nearby High 61° Low 47°Precipitation
54%
· 0.02 in
Max wind
3 mph
Humidity
86%
UV index
4 - Moderate
Sunrise / sunset
05:11 AM / 08:54 PM
Wednesday, August 12
Mist High 63° Low 46°Precipitation
19%
· 0.0 in
Max wind
4 mph
Humidity
84%
UV index
5 - Moderate
Sunrise / sunset
05:13 AM / 08:51 PM
Thursday, August 13
Sunny High 67° Low 46°Precipitation
9%
· 0.0 in
Max wind
5 mph
Humidity
75%
UV index
5 - Moderate
Sunrise / sunset
05:15 AM / 08:49 PM
Friday, August 14
Sunny High 68° Low 49°Precipitation
57%
· 0.05 in
Max wind
5 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
05:17 AM / 08:46 PM
Saturday, August 15
Sunny High 67° Low 49°Precipitation
7%
· 0.0 in
Max wind
4 mph
Humidity
73%
UV index
5 - Moderate
Sunrise / sunset
05:20 AM / 08:44 PM
Sunday, August 16
Sunny High 68° Low 50°Precipitation
7%
· 0.0 in
Max wind
4 mph
Humidity
68%
UV index
6 - High
Sunrise / sunset
05:22 AM / 08:41 PM
Monday, August 17
Sunny High 66° Low 49°Precipitation
57%
· 0.06 in
Max wind
4 mph
Humidity
79%
UV index
5 - Moderate
Sunrise / sunset
05:24 AM / 08:39 PM
Tuesday, August 18
Mist High 60° Low 48°Precipitation
59%
· 0.03 in
Max wind
3 mph
Humidity
90%
UV index
4 - Moderate
Sunrise / sunset
05:26 AM / 08:36 PM
Wednesday, August 19
Mist High 62° Low 48°Precipitation
30%
· 0.0 in
Max wind
2 mph
Humidity
88%
UV index
4 - Moderate
Sunrise / sunset
05:28 AM / 08:33 PM
Thursday, August 20
Mist High 62° Low 46°Precipitation
19%
· 0.0 in
Max wind
3 mph
Humidity
84%
UV index
5 - Moderate
Sunrise / sunset
05:31 AM / 08:31 PM
Friday, August 21
Partly Cloudy High 62° Low 48°Precipitation
32%
· 0.01 in
Max wind
3 mph
Humidity
83%
UV index
5 - Moderate
Sunrise / sunset
05:33 AM / 08:28 PM
Saturday, August 22
Light rain High 54° Low 50°Precipitation
95%
· 0.59 in
Max wind
3 mph
Humidity
98%
UV index
3 - Moderate
Sunrise / sunset
05:35 AM / 08:25 PM
Sunday, August 23
Patchy rain nearby High 57° Low 43°Precipitation
85%
· 0.37 in
Max wind
4 mph
Humidity
88%
UV index
4 - Moderate
Sunrise / sunset
05:37 AM / 08:22 PM
Juneau 14-day outlook: the story
The warmest day of Juneau's 14-day outlook is Sunday, August 16 with a high near 68°F (20°C); the coolest night comes Sunday, August 23, dipping to 43°F (6°C). The trend points cooler: week two runs about 5°F below week one. Highs over the next two weeks average 65°F (18°C), right in line with the typical August high of 63°F (17°C).
Precipitation is most likely on Tuesday 11, Friday 14, Monday 17, Tuesday 18 and beyond; the wettest day looks like Saturday, August 22 with about 0.59 in (14.9 mm) expected. For the weekend, expect Saturday 67°F (20°C) and sunny / Sunday 68°F (20°C) and sunny.
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 6 of the next 14 days, peaking around Saturday, August 22.
What will be the warmest day in Juneau over the next 14 days?
Sunday, August 16, with a forecast high near 68°F (20°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