Nanwalek, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nanwalek, a community in Kenai Peninsula Borough County, Alaska.
Tonight
40°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 40. South wind 0 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Nanwalek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Chance Rain Showers | 0 to 10 mph S | 28% |
| Saturday | 50°F | Rain Showers | 10 mph E | 81% |
| Saturday Night | 42°F | Light Rain | 10 to 15 mph N | 100% |
| Sunday | 49°F | Light Rain then Rain Showers Likely | 10 to 15 mph N | 100% |
| Sunday Night | 41°F | Rain Showers Likely | 5 to 10 mph W | 60% |
| Monday | 50°F | Rain Showers | 5 mph SW | 76% |
| Monday Night | 41°F | Rain Showers Likely | 5 mph W | 65% |
| Tuesday | 51°F | Chance Rain Showers | 5 to 15 mph NW | 25% |
| Tuesday Night | 42°F | Partly Cloudy | 10 to 15 mph NW | 12% |
| Wednesday | 51°F | Mostly Sunny | 5 to 10 mph NW | 11% |
| Wednesday Night | 43°F | Mostly Cloudy then Chance Rain Showers | 5 to 15 mph S | 25% |
| Thursday | 52°F | Chance Rain Showers | 15 mph SE | 50% |
| Thursday Night | 44°F | Rain Showers Likely | 15 to 25 mph SE | 55% |
| Friday | 52°F | Rain Showers Likely | 15 to 25 mph SE | 57% |
Forecast source: National Weather Service (api.weather.gov) for Nanwalek (59.334, -151.930). Updated through the day.
Growing snapshot for Nanwalek
Last spring frost
May 10
First fall frost
Oct 1
Growing season
145 days
More local growing data for Nanwalek: nearby ZIP 99663 weather · frost dates · planting calendar · Alaska frost dates
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Seldovia
Climate data from the nearest NOAA station, Seldovia Ap, Ak (4 mi from Nanwalek). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.