Gustavus, AK Weather & Growing Conditions
This Afternoon
53°F
Rain Showers
Rain showers. Cloudy, with a high near 53. Southeast wind around 5 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 | 53°F | Rain Showers | 5 mph SE | 100% |
| Tonight | 47°F | Rain Showers | 5 to 10 mph SE | 100% |
| Saturday | 53°F | Rain Showers | 5 to 10 mph SE | 96% |
| Saturday Night | 48°F | Rain Showers | 10 to 15 mph SE | 100% |
| Sunday | 51°F | Rain Showers | 15 to 20 mph SE | 100% |
| Sunday Night | 43°F | Rain Showers | 10 to 20 mph SE | 100% |
| Monday | 52°F | Rain Showers | 5 to 10 mph SE | 100% |
| Monday Night | 41°F | Rain Showers | 5 mph SE | 100% |
| Tuesday | 52°F | Rain Showers | 5 mph N | 76% |
| Tuesday Night | 40°F | Rain Showers | 5 mph NE | 77% |
| Wednesday | 52°F | Rain Showers | 5 mph E | 77% |
| Wednesday Night | 39°F | Chance Rain Showers | 5 mph NE | 44% |
| Thursday | 54°F | Chance Rain Showers | 5 mph N | 30% |
| Thursday Night | 40°F | Chance Rain Showers | 5 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gustavus, AK
Last spring frost
May 6
First fall frost
Oct 10
Growing season
154 days
Explore more for Gustavus, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Glacier Bay, Ak (28 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.