Port Alexander, AK Weather & Growing Conditions
Overnight
43°F
Chance Light Rain
A chance of rain. Cloudy, with a low around 43. Southeast wind around 10 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Chance Light Rain | 10 mph SE | 30% |
| Wednesday | 48°F | Light Rain Likely | 5 to 10 mph N | 61% |
| Wednesday Night | 42°F | Light Rain | 10 to 15 mph SE | 96% |
| Thursday | 49°F | Heavy Rain | 20 to 30 mph SE | 100% |
| Thursday Night | 41°F | Heavy Rain | 25 mph S | 100% |
| Friday | 48°F | Light Rain | 20 to 25 mph S | 100% |
| Friday Night | 39°F | Light Rain | 10 to 15 mph S | 91% |
| Saturday | 46°F | Rain | 10 to 20 mph E | 85% |
| Saturday Night | 37°F | Rain | 15 to 20 mph E | 100% |
| Sunday | 46°F | Light Rain | 15 mph S | 96% |
| Sunday Night | 38°F | Rain | 15 to 20 mph SE | 100% |
| Monday | 47°F | Rain | 20 to 30 mph SE | 100% |
| Monday Night | 39°F | Rain | 20 to 30 mph SE | 100% |
| Tuesday | 48°F | Light Rain | 15 to 20 mph SE | 100% |
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 Nov 4, 2026.