Juneau, AK Weather & Growing Conditions
Overnight
42°F
Light Rain
Rain. Cloudy, with a low around 42. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Light Rain | 10 mph E | 91% |
| Wednesday | 45°F | Light Rain | 5 mph E | 76% |
| Wednesday Night | 42°F | Rain | 5 to 10 mph E | 87% |
| Thursday | 45°F | Rain | 10 to 25 mph E | 100% |
| Thursday Night | 40°F | Rain | 20 to 25 mph SE | 100% |
| Friday | 45°F | Rain | 15 to 20 mph SE | 100% |
| Friday Night | 38°F | Light Rain | 10 to 15 mph SE | 100% |
| Saturday | 42°F | Light Rain Likely | 10 mph SE | 69% |
| Saturday Night | 36°F | Light Rain Likely | 5 to 10 mph E | 74% |
| Sunday | 41°F | Light Rain | 5 to 10 mph E | 77% |
| Sunday Night | 36°F | Light Rain | 10 mph SE | 77% |
| Monday | 41°F | Light Rain Likely | 10 to 15 mph E | 74% |
| Monday Night | 36°F | Light Rain | 10 to 15 mph E | 75% |
| Tuesday | 42°F | Rain And Snow | 10 mph E | 76% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Juneau, AK
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
183 days
Explore more for Juneau, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Juneau Dwtn, Ak (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.