Cantwell, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cantwell, a community in Denali Borough County, Alaska.
This Afternoon
48°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 48. East wind around 10 mph. Chance of precipitation is 60%.
7-day forecast for Cantwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Chance Rain Showers | 10 mph E | 57% |
| Tonight | 33°F | Chance Rain Showers then Chance Rain And Snow Showers | 5 to 10 mph SE | 73% |
| Saturday | 48°F | Chance Rain And Snow Showers | 5 to 10 mph S | 73% |
| Saturday Night | 31°F | Scattered Rain Showers | 5 to 10 mph E | 51% |
| Sunday | 48°F | Chance Rain Showers | 5 mph NE | 71% |
| Sunday Night | 31°F | Rain And Snow Showers | 5 to 10 mph N | 87% |
| Monday | 44°F | Rain And Snow Showers | 5 mph NE | 88% |
| Monday Night | 26°F | Chance Rain And Snow Showers | 5 mph S | 65% |
| Tuesday | 42°F | Isolated Snow Showers then Cloudy | 5 mph E | 16% |
| Tuesday Night | 24°F | Mostly Cloudy | 5 to 10 mph N | 6% |
| Wednesday | 41°F | Partly Sunny | 5 mph NE | 2% |
| Wednesday Night | 24°F | Mostly Cloudy | 5 to 10 mph SE | 12% |
| Thursday | 44°F | Partly Sunny | 10 to 15 mph S | 12% |
| Thursday Night | 27°F | Chance Rain And Snow Showers | 15 to 20 mph S | 29% |
Forecast source: National Weather Service (api.weather.gov) for Cantwell (63.411, -148.750). Updated through the day.
Growing snapshot for Cantwell
Last spring frost
Jun 6
First fall frost
Aug 25
Growing season
77 days
More local growing data for Cantwell: nearby ZIP 99755 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mckinley Park, Ak (7.8 mi from Cantwell). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.