Unalaska, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Unalaska, a city in Aleutians West Census Area County, Alaska.
Today
44°F
Light Rain Likely
Rain likely. Cloudy, with a high near 44. Northwest wind 0 to 10 mph. Chance of precipitation is 70%.
7-day forecast for Unalaska
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 44°F | Light Rain Likely | 0 to 10 mph NW | 69% |
| Tonight | 41°F | Light Rain Likely then Rain Showers | 10 to 30 mph NW | 77% |
| Saturday | 44°F | Rain Showers | 25 to 30 mph NW | 76% |
| Saturday Night | 34°F | Rain Showers Likely | 15 to 30 mph NW | 63% |
| Sunday | 43°F | Rain Showers Likely then Chance Rain And Snow Showers | 15 to 25 mph NW | 63% |
| Sunday Night | 43°F | Rain And Snow Showers | 20 to 25 mph NW | 90% |
| Monday | 50°F | Rain Showers | 15 to 25 mph W | 90% |
| Monday Night | 44°F | Rain Showers | 10 to 15 mph W | 85% |
| Tuesday | 50°F | Rain Showers Likely | 5 to 10 mph W | 59% |
| Tuesday Night | 46°F | Chance Rain Showers | 5 to 10 mph SW | 54% |
| Wednesday | 55°F | Rain Showers | 10 to 20 mph S | 81% |
| Wednesday Night | 49°F | Rain Showers | 20 mph S | 81% |
| Thursday | 56°F | Rain Showers Likely | 20 mph SW | 67% |
| Thursday Night | 48°F | Rain Showers Likely | 15 to 20 mph SW | 65% |
Forecast source: National Weather Service (api.weather.gov) for Unalaska (53.910, -166.529). Updated through the day.
Growing snapshot for Unalaska
Last spring frost
May 6
First fall frost
Oct 18
Growing season
164 days
More local growing data for Unalaska: nearby ZIP 99692 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dutch Harbor, Ak (0.8 mi from Unalaska). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.