Port Alexander, AK Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 5 mph NW | 9% |
| Tuesday | 63°F | Mostly Sunny | 5 to 10 mph NW | 9% |
| Tuesday Night | 51°F | Partly Cloudy | 5 to 10 mph NW | 2% |
| Wednesday | 62°F | Mostly Sunny | 5 to 10 mph NW | 7% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 10 mph NW | 1% |
| Thursday | 63°F | Partly Sunny | 0 to 5 mph NW | 6% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NW | 10% |
| Friday | 64°F | Mostly Cloudy | 0 to 5 mph NW | 13% |
| Friday Night | 51°F | Mostly Cloudy | 5 mph W | 11% |
| Saturday | 63°F | Mostly Cloudy | 5 mph W | 11% |
| Saturday Night | 51°F | Mostly Cloudy | 5 mph NW | 3% |
| Sunday | 64°F | Partly Sunny | 5 mph NW | 3% |
| Sunday Night | 51°F | Mostly Cloudy | 0 to 5 mph NW | 0% |
| Monday | 64°F | Mostly Cloudy | 0 to 5 mph NW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Alexander, AK
Last spring frost
Apr 18
First fall frost
Nov 5
Growing season
198 days
Explore more for Port Alexander, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Port Alexander, Ak (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.