South Naknek, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Naknek, a community in Bristol Bay Borough County, Alaska.
Today
57°F
Chance Light Rain
A chance of rain before 1pm, then a slight chance of rain showers between 1pm and 4pm. Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
7-day forecast for South Naknek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Chance Light Rain | 10 to 15 mph SW | 30% |
| Tonight | 44°F | Mostly Cloudy | 5 to 10 mph S | 9% |
| Wednesday | 64°F | Mostly Cloudy then Chance Light Rain | 0 to 10 mph SE | 25% |
| Wednesday Night | 45°F | Chance Light Rain | 10 to 15 mph S | 31% |
| Thursday | 61°F | Chance Light Rain | 10 to 15 mph S | 30% |
| Thursday Night | 45°F | Chance Light Rain then Slight Chance Rain Showers | 5 to 15 mph S | 54% |
| Friday | 63°F | Slight Chance Rain Showers then Cloudy | 5 to 10 mph SW | 22% |
| Friday Night | 47°F | Mostly Cloudy | 5 to 10 mph SW | 12% |
| Saturday | 67°F | Cloudy | 5 to 10 mph SW | 12% |
| Saturday Night | 47°F | Mostly Cloudy | 5 to 10 mph SW | 10% |
| Sunday | 69°F | Mostly Cloudy | 5 mph SW | 14% |
| Sunday Night | 48°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph W | 23% |
| Monday | 69°F | Chance Rain Showers | 5 to 10 mph SW | 30% |
| Monday Night | 48°F | Chance Rain Showers | 5 to 10 mph SW | 31% |
Forecast source: National Weather Service (api.weather.gov) for South Naknek (58.676, -156.994). Updated through the day.
Growing snapshot for South Naknek
Last spring frost
May 26
First fall frost
Sep 15
Growing season
111 days
More local growing data for South Naknek: nearby ZIP 99670 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, King Salmon, Ak (12.8 mi from South Naknek). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.