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.
Overnight
52°F
Light Rain
Rain. Cloudy, with a low around 52. South wind around 20 mph. Chance of precipitation is 90%.
7-day forecast for Mill Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Light Rain | 20 mph S | 91% |
| Tuesday | 56°F | Light Rain | 10 to 20 mph S | 89% |
| Tuesday Night | 52°F | Light Rain Likely | 5 to 10 mph SE | 55% |
| Wednesday | 56°F | Chance Light Rain | 5 to 10 mph SE | 43% |
| Wednesday Night | 49°F | Chance Light Rain | 5 to 10 mph SE | 36% |
| Thursday | 58°F | Chance Light Rain | 5 to 10 mph SE | 34% |
| Thursday Night | 51°F | Slight Chance Light Rain | 0 to 10 mph S | 16% |
| Friday | 62°F | Mostly Cloudy | 0 to 5 mph S | 9% |
| Friday Night | 53°F | Mostly Cloudy | 0 to 5 mph SW | 9% |
| Saturday | 63°F | Partly Sunny | 0 to 5 mph NW | 7% |
| Saturday Night | 53°F | Mostly Cloudy | 0 to 5 mph S | 8% |
| Sunday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 15% |
| Sunday Night | 53°F | Chance Rain Showers | 5 mph S | 25% |
| Monday | 62°F | Chance Rain Showers | 5 mph NW | 25% |
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 Aug 4, 2026.