Gustavus, AK Weather & Growing Conditions
This Afternoon
46°F
Light Rain
Rain. Cloudy, with a high near 46. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 46°F | Light Rain | 10 mph E | 98% |
| Tonight | 38°F | Light Rain | 5 to 15 mph SE | 100% |
| Wednesday | 46°F | Chance Light Rain | 5 mph NE | 45% |
| Wednesday Night | 39°F | Light Rain | 5 to 10 mph SE | 91% |
| Thursday | 46°F | Light Rain | 10 to 15 mph E | 98% |
| Thursday Night | 36°F | Light Rain | 15 mph E | 100% |
| Friday | 46°F | Light Rain | 15 mph SE | 100% |
| Friday Night | 34°F | Light Rain | 10 to 15 mph SE | 87% |
| Saturday | 43°F | Light Rain Likely | 10 mph NE | 66% |
| Saturday Night | 28°F | Light Rain Likely | 5 to 10 mph NE | 67% |
| Sunday | 42°F | Rain And Snow Likely | 5 to 10 mph E | 67% |
| Sunday Night | 29°F | Light Rain Likely | 5 to 10 mph SE | 66% |
| Monday | 42°F | Rain And Snow Likely | 10 mph E | 68% |
| Monday Night | 29°F | Light Rain Likely | 5 to 10 mph E | 71% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gustavus, AK
Last spring frost
May 30
First fall frost
Sep 16
Growing season
107 days
Explore more for Gustavus, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Gustavus, Ak (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.