Juneau, AK Weather & Growing Conditions
Overnight
43°F
Rain Showers
Rain showers. Cloudy, with a low around 43. South wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Rain Showers | 15 mph S | 100% |
| Saturday | 49°F | Rain Showers | 10 to 15 mph S | 100% |
| Saturday Night | 43°F | Rain Showers | 15 to 20 mph SE | 100% |
| Sunday | 47°F | Rain Showers | 20 to 25 mph S | 100% |
| Sunday Night | 39°F | Rain Showers | 15 to 25 mph S | 100% |
| Monday | 44°F | Rain Showers | 10 to 15 mph S | 100% |
| Monday Night | 37°F | Rain Showers | 5 to 10 mph SE | 100% |
| Tuesday | 42°F | Rain Showers | 10 mph E | 83% |
| Tuesday Night | 36°F | Rain Showers | 5 to 10 mph NE | 100% |
| Wednesday | 42°F | Rain Showers | 5 mph E | 80% |
| Wednesday Night | 35°F | Rain Showers Likely | 5 mph E | 74% |
| Thursday | 43°F | Chance Rain Showers | 5 mph E | 31% |
| Thursday Night | 35°F | Chance Rain Showers | 5 mph E | 32% |
| Friday | 44°F | Chance Rain Showers | 5 mph S | 42% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Juneau, AK
Last spring frost
May 3
First fall frost
Oct 14
Growing season
164 days
Explore more for Juneau, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Annex Creek, Ak (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.