McCarthy, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McCarthy, a community in Copper River Census Area County, Alaska.
This Afternoon
35°F
Mostly Cloudy
Mostly cloudy, with a high near 35. Northeast wind around 5 mph.
7-day forecast for McCarthy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 35°F | Mostly Cloudy | 5 mph NE | 3% |
| Tonight | 28°F | Mostly Cloudy then Chance Light Snow | 5 mph NE | 35% |
| Wednesday | 36°F | Scattered Snow Showers then Chance Light Snow | 0 to 5 mph NE | 29% |
| Wednesday Night | 26°F | Slight Chance Light Snow then Mostly Cloudy | 5 to 10 mph NE | 18% |
| Thursday | 33°F | Partly Sunny | 5 mph NE | 11% |
| Thursday Night | 22°F | Mostly Cloudy | 0 to 5 mph NE | 8% |
| Friday | 31°F | Mostly Cloudy | 0 to 5 mph NE | 10% |
| Friday Night | 21°F | Mostly Cloudy | 0 to 5 mph NE | 10% |
| Saturday | 30°F | Mostly Cloudy | 0 to 5 mph NE | 8% |
| Saturday Night | 20°F | Mostly Cloudy | 0 to 5 mph NE | 6% |
| Sunday | 29°F | Mostly Cloudy | 0 mph | 7% |
| Sunday Night | 20°F | Mostly Cloudy | 0 mph | 7% |
| Monday | 29°F | Mostly Cloudy | 0 to 5 mph NE | 7% |
| Monday Night | 19°F | Mostly Cloudy | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for McCarthy (61.454, -142.865). Updated through the day.
Growing snapshot for McCarthy
Growing season
63 days
More local growing data for McCarthy: nearby ZIP 99566 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mccarthy 3 Sw, Ak (16.5 mi from McCarthy). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.