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.
Overnight
40°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a low around 40. Northeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for South Naknek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Slight Chance Rain Showers | 5 mph NE | 22% |
| Saturday | 51°F | Chance Rain Showers | 5 to 15 mph N | 41% |
| Saturday Night | 41°F | Rain Showers Likely | 15 to 25 mph N | 57% |
| Sunday | 43°F | Rain Showers Likely | 15 to 20 mph N | 57% |
| Sunday Night | 34°F | Chance Rain Showers then Slight Chance Rain And Snow Showers | 15 to 25 mph N | 45% |
| Monday | 45°F | Slight Chance Rain And Snow Showers then Cloudy | 15 to 25 mph N | 18% |
| Monday Night | 35°F | Mostly Cloudy | 10 to 15 mph N | 11% |
| Tuesday | 49°F | Mostly Sunny | 10 to 15 mph N | 2% |
| Tuesday Night | 34°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Wednesday | 50°F | Mostly Sunny | 5 mph NE | 10% |
| Wednesday Night | 39°F | Rain Showers Likely | 5 to 20 mph SE | 65% |
| Thursday | 54°F | Rain Showers Likely | 20 to 25 mph SE | 65% |
| Thursday Night | 44°F | Rain Showers Likely | 20 to 25 mph S | 66% |
| Friday | 54°F | Rain Showers Likely | 20 mph S | 61% |
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 Sep 19, 2026.