Gustavus, AK Weather & Growing Conditions
Today
63°F
Partly Sunny
Partly sunny, with a high near 63. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Partly Sunny | 5 to 10 mph W | 2% |
| Tonight | 49°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph W | 3% |
| Wednesday | 64°F | Patchy Fog then Partly Sunny | 0 to 5 mph W | 3% |
| Wednesday Night | 49°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph SW | 0% |
| Thursday | 64°F | Partly Sunny | 0 to 5 mph SW | 3% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 5 mph W | 6% |
| Friday | 64°F | Mostly Cloudy | 0 to 5 mph W | 12% |
| Friday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph W | 17% |
| Saturday | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph W | 17% |
| Saturday Night | 50°F | Mostly Cloudy | 0 to 5 mph W | 8% |
| Sunday | 65°F | Partly Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 50°F | Mostly Cloudy | 0 to 5 mph NW | 0% |
| Monday | 66°F | Partly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph NW | 16% |
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 Aug 4, 2026.