Gustavus, AK Weather & Growing Conditions
This Afternoon
55°F
Rain Showers
Rain showers before 4pm, then rain showers and patchy fog. Cloudy, with a high near 55. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Rain Showers | 10 mph E | 100% |
| Tonight | 47°F | Rain Showers | 5 to 10 mph SE | 100% |
| Saturday | 58°F | Rain Showers | 5 to 15 mph SE | 100% |
| Saturday Night | 46°F | Rain Showers | 10 to 15 mph SE | 100% |
| Sunday | 55°F | Rain Showers | 10 to 15 mph SE | 100% |
| Sunday Night | 38°F | Rain Showers | 5 to 15 mph SE | 100% |
| Monday | 55°F | Rain Showers | 5 to 10 mph SE | 100% |
| Monday Night | 38°F | Rain Showers | 0 to 5 mph E | 93% |
| Tuesday | 55°F | Rain Showers | 5 to 10 mph E | 75% |
| Tuesday Night | 38°F | Rain Showers | 5 to 10 mph E | 75% |
| Wednesday | 55°F | Rain Showers Likely | 5 mph E | 69% |
| Wednesday Night | 37°F | Chance Rain Showers | 0 to 5 mph E | 51% |
| Thursday | 57°F | Chance Rain Showers | 0 to 5 mph N | 29% |
| Thursday Night | 38°F | Chance Rain Showers | 0 to 5 mph N | 28% |
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 Sep 19, 2026.