Anchorage, Alaska weather in March

Averages from 2021–2025 (155 days of record).

Average high: 34°F
Average low: 20°F
Rainy days: ~10 per month
Total precipitation: 1.9 in
Warmest recorded: 49°F
Coldest recorded: -2°F

Expect March days in Anchorage, Alaska to top out around 34°F and cool to about 20°F overnight, with roughly 10 days of measurable rain across the month. In recent years March has ranged from -2°F to 49°F.

Other months

January February April May June July August September October November December

Current Anchorage, Alaska forecast → · Historical data by Open-Meteo (ERA5).