Big Lake, AK Weather & Growing Conditions
Today
60°F
Light Rain Likely
Rain likely. Cloudy, with a high near 60. Northwest wind 0 to 5 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Light Rain Likely | 0 to 5 mph NW | 64% |
| Tonight | 52°F | Chance Light Rain | 0 to 5 mph N | 48% |
| Wednesday | 64°F | Chance Light Rain | 0 to 5 mph NW | 43% |
| Wednesday Night | 52°F | Chance Light Rain | 0 to 5 mph S | 40% |
| Thursday | 67°F | Chance Light Rain | 0 to 5 mph SW | 40% |
| Thursday Night | 51°F | Chance Light Rain | 0 to 5 mph SW | 25% |
| Friday | 68°F | Chance Light Rain then Slight Chance Rain Showers | 0 to 5 mph S | 25% |
| Friday Night | 49°F | Mostly Cloudy | 0 to 5 mph S | 12% |
| Saturday | 72°F | Mostly Cloudy | 0 to 5 mph SW | 12% |
| Saturday Night | 50°F | Mostly Cloudy | 0 to 5 mph S | 6% |
| Sunday | 73°F | Mostly Cloudy | 0 to 5 mph S | 7% |
| Sunday Night | 50°F | Mostly Cloudy | 0 to 5 mph S | 14% |
| Monday | 73°F | Partly Sunny | 0 to 5 mph SW | 14% |
| Monday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph S | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Big Lake, AK
Last spring frost
May 29
First fall frost
Sep 7
Growing season
100 days
Explore more for Big Lake, AK: full frost dates · planting calendar · Alaska frost dates
Climate data from the nearest NOAA station, Whites Crossing, Ak (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.