Kwethluk, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kwethluk, a city in Bethel Census Area County, Alaska.
This Afternoon
47°F
Chance Light Rain
A chance of rain showers before 4pm, then a chance of rain. Cloudy, with a high near 47. East wind 0 to 5 mph. Chance of precipitation is 50%.
7-day forecast for Kwethluk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Chance Light Rain | 0 to 5 mph E | 48% |
| Tonight | 37°F | Chance Light Rain then Chance Rain Showers | 0 to 5 mph N | 49% |
| Saturday | 43°F | Rain Showers Likely | 5 to 20 mph NW | 55% |
| Saturday Night | 37°F | Chance Rain Showers | 20 to 25 mph NW | 47% |
| Sunday | 42°F | Chance Rain Showers | 20 to 25 mph NW | 33% |
| Sunday Night | 32°F | Mostly Cloudy | 10 to 20 mph NW | 10% |
| Monday | 44°F | Mostly Cloudy | 10 mph NW | 2% |
| Monday Night | 32°F | Mostly Cloudy | 5 to 10 mph NW | 9% |
| Tuesday | 45°F | Partly Sunny | 5 mph W | 10% |
| Tuesday Night | 35°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 17% |
| Wednesday | 47°F | Chance Rain Showers | 5 to 15 mph S | 28% |
| Wednesday Night | 39°F | Rain Showers Likely | 15 to 20 mph S | 64% |
| Thursday | 50°F | Rain Showers Likely | 20 to 25 mph SE | 64% |
| Thursday Night | 41°F | Rain Showers Likely | 20 mph SE | 66% |
Forecast source: National Weather Service (api.weather.gov) for Kwethluk (60.793, -161.431). Updated through the day.
Growing snapshot for Kwethluk
Last spring frost
May 21
First fall frost
Sep 22
Growing season
122 days
More local growing data for Kwethluk: nearby ZIP 99621 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Akiachak
Akiak
Atmautluak
Bethel
Chefornak
Crooked Creek
Eek
Flat
Goodnews Bay
Kasigluk
Kipnuk
Kongiganak
Kwigillingok
Lime Village
Lower Kalskag
Mekoryuk
Mertarvik
Napakiak
Napaskiak
Newtok
Nightmute
Nunapitchuk
Oscarville
Platinum
Quinhagak
Red Devil
Sleetmute
Stony River
Toksook Bay
Tuluksak
Climate data from the nearest NOAA station, Bethel Ap, Ak (13.4 mi from Kwethluk). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.