Unalaska Weather Forecast
- 42
- 44
Rain Showers
- 44
- 50
Rain Showers
- 48
- 54
Rain
- 50
- 57
Rain Showers
- 48
- 59
Rain Showers Likely
- 47
- 57
Rain Showers Likely
- 46
- 56
Rain Showers
Today 20 Sep Unalaska and Nikolski
Isolated rain Showers in the Morning, then numerous rain Showers in the afternoon. Highs in the mid 40s. Northwest wind 15 to 25 Mph.
Tonight 20 Sep Unalaska and Nikolski
Numerous Showers. Lows in the lower 40s. Northwest wind 15 to 25 Mph.
Unalaska Temperature Statistics
September Temperature
Unalaska, Unalaska Airport (1.2 miles)
Lowest 9 September, 2026
45 °FAverage September
57.2 °FHighest 1 September, 2026
72 °F
Climate (2021–2026)
Unalaska, Unalaska Airport (1.2 miles)
Average Low 2021–2026
39 °FAverage 2021–2026
42.5 °FAverage High 2021–2026
46 °F