Nanwalek, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nanwalek, a community in Kenai Peninsula Borough County, Alaska.
Overnight
50°F
Heavy Rain
Rain. Cloudy, with a low around 50. Southeast wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Nanwalek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Heavy Rain | 30 mph SE | 100% |
| Tuesday | 55°F | Heavy Rain | 15 to 30 mph SE | 100% |
| Tuesday Night | 50°F | Light Rain Likely | 10 to 15 mph SE | 74% |
| Wednesday | 56°F | Light Rain Likely | 10 mph SE | 72% |
| Wednesday Night | 49°F | Light Rain Likely | 10 mph SE | 59% |
| Thursday | 59°F | Light Rain Likely | 5 to 10 mph SE | 59% |
| Thursday Night | 49°F | Chance Light Rain | 5 mph SE | 40% |
| Friday | 62°F | Mostly Cloudy | 5 mph S | 11% |
| Friday Night | 49°F | Mostly Cloudy | 5 mph SW | 3% |
| Saturday | 64°F | Mostly Cloudy | 5 mph SW | 2% |
| Saturday Night | 50°F | Mostly Cloudy | 5 mph SW | 3% |
| Sunday | 64°F | Mostly Cloudy | 5 mph S | 7% |
| Sunday Night | 50°F | Mostly Cloudy | 5 mph SW | 12% |
| Monday | 63°F | Slight Chance Rain Showers | 5 mph SW | 22% |
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 Aug 4, 2026.