Mill Bay, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mill Bay, a community in Kodiak Island Borough County, Alaska.
This Afternoon
45°F
Light Rain
Rain. Cloudy, with a high near 45. Northeast wind around 30 mph, with gusts as high as 55 mph. Chance of precipitation is 100%.
7-day forecast for Mill Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Light Rain | 30 mph NE | 96% |
| Tonight | 38°F | Widespread Rain Showers | 10 to 30 mph NE | 94% |
| Wednesday | 44°F | Widespread Rain Showers | 15 mph S | 83% |
| Wednesday Night | 36°F | Scattered Rain Showers | 5 to 15 mph SE | 32% |
| Thursday | 44°F | Rain Showers Likely | 10 to 15 mph N | 61% |
| Thursday Night | 35°F | Chance Rain Showers | 15 mph NW | 51% |
| Friday | 42°F | Partly Sunny then Chance Light Rain | 10 to 15 mph NW | 41% |
| Friday Night | 34°F | Rain And Snow Likely | 10 mph NW | 58% |
| Saturday | 41°F | Rain And Snow Likely | 10 mph N | 58% |
| Saturday Night | 33°F | Chance Rain And Snow | 5 to 10 mph N | 45% |
| Sunday | 40°F | Chance Rain And Snow | 5 mph N | 43% |
| Sunday Night | 34°F | Rain And Snow Likely | 5 mph NE | 62% |
| Monday | 42°F | Rain And Snow Likely | 5 to 15 mph NE | 62% |
| Monday Night | 33°F | Rain And Snow Likely | 15 mph NE | 61% |
Forecast source: National Weather Service (api.weather.gov) for Mill Bay (57.816, -152.368). Updated through the day.
Growing snapshot for Mill Bay
Last spring frost
May 9
First fall frost
Oct 4
Growing season
148 days
More local growing data for Mill Bay: nearby ZIP 99644 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Akhiok
Aleneva
Chiniak
Karluk
Kodiak
Kodiak Station
Larsen Bay
Old Harbor
Ouzinkie
Port Lions
Womens Bay
Climate data from the nearest NOAA station, Ouzinkie, Ak (4.5 mi from Mill Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.