Old Harbor, AK Weather & Growing Conditions
Overnight
49°F
Rain
Rain. Cloudy, with a low around 49. South wind around 15 mph. Chance of precipitation is 100%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Rain | 15 mph S | 98% |
| Tuesday | 53°F | Rain | 5 to 15 mph SE | 98% |
| Tuesday Night | 49°F | Chance Light Rain | 5 mph E | 54% |
| Wednesday | 53°F | Chance Light Rain | 5 mph E | 52% |
| Wednesday Night | 50°F | Chance Light Rain | 0 to 5 mph SE | 53% |
| Thursday | 55°F | Chance Light Rain | 0 to 5 mph SE | 46% |
| Thursday Night | 50°F | Chance Light Rain | 0 to 5 mph S | 32% |
| Friday | 62°F | Slight Chance Light Rain then Mostly Cloudy | 0 to 10 mph SW | 16% |
| Friday Night | 51°F | Mostly Cloudy | 5 to 10 mph SW | 9% |
| Saturday | 64°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph W | 15% |
| Saturday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph SW | 15% |
| Sunday | 64°F | Chance Rain Showers | 0 to 5 mph NW | 31% |
| Sunday Night | 51°F | Chance Rain Showers | 5 mph W | 36% |
| Monday | 61°F | Chance Rain Showers | 5 mph W | 50% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Old Harbor, AK
Last spring frost
May 5
First fall frost
Oct 3
Growing season
151 days
Explore more for Old Harbor, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Kodiak Ap, Ak (48.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.