Unalaska, AK Weather & Growing Conditions
Today
61°F
Slight Chance Light Rain then Mostly Sunny
A slight chance of rain before 10am. Mostly sunny, with a high near 61. West wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Slight Chance Light Rain then Mostly Sunny | 5 to 10 mph W | 19% |
| Tonight | 47°F | Mostly Cloudy | 0 to 5 mph W | 5% |
| Wednesday | 61°F | Mostly Cloudy | 0 mph | 6% |
| Wednesday Night | 47°F | Mostly Cloudy | 0 mph | 9% |
| Thursday | 58°F | Partly Sunny | 0 to 5 mph W | 5% |
| Thursday Night | 48°F | Mostly Cloudy | 0 to 5 mph E | 14% |
| Friday | 59°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 10 mph SE | 15% |
| Friday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 10 mph SE | 15% |
| Saturday | 60°F | Slight Chance Rain Showers | 0 to 5 mph E | 20% |
| Saturday Night | 50°F | Slight Chance Rain Showers | 0 to 5 mph E | 20% |
| Sunday | 60°F | Chance Rain Showers | 0 to 10 mph S | 44% |
| Sunday Night | 50°F | Chance Rain Showers | 5 to 10 mph S | 45% |
| Monday | 59°F | Chance Rain Showers | 5 to 10 mph SE | 45% |
| Monday Night | 49°F | Chance Rain Showers | 5 to 10 mph NE | 40% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Unalaska, AK
Last spring frost
May 6
First fall frost
Oct 18
Growing season
164 days
Explore more for Unalaska, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Dutch Harbor, Ak (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.