Port Alsworth, AK Weather & Growing Conditions
Overnight
47°F
Light Rain
Rain. Cloudy. Low around 47, with temperatures rising to around 53 overnight. Southeast wind around 5 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Light Rain | 5 mph SE | 79% |
| Tuesday | 60°F | Light Rain | 0 to 5 mph SE | 79% |
| Tuesday Night | 46°F | Light Rain Likely | 0 to 5 mph SE | 57% |
| Wednesday | 66°F | Chance Light Rain | 0 to 5 mph SE | 43% |
| Wednesday Night | 46°F | Chance Light Rain | 5 mph SE | 41% |
| Thursday | 65°F | Chance Light Rain | 5 mph SE | 30% |
| Thursday Night | 46°F | Chance Light Rain then Chance Rain Showers | 0 to 5 mph SE | 42% |
| Friday | 67°F | Slight Chance Rain Showers | 0 to 5 mph SW | 17% |
| Friday Night | 49°F | Mostly Cloudy | 0 to 5 mph SW | 6% |
| Saturday | 72°F | Mostly Cloudy | 0 mph | 7% |
| Saturday Night | 49°F | Mostly Cloudy | 0 mph | 9% |
| Sunday | 73°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph W | 17% |
| Sunday Night | 49°F | Slight Chance Rain Showers | 0 to 5 mph SW | 17% |
| Monday | 73°F | Chance Rain Showers | 0 to 5 mph W | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Alsworth, AK
Last spring frost
Jun 2
First fall frost
Sep 12
Growing season
101 days
Explore more for Port Alsworth, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Port Alsworth 1 Sw, Ak (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.