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.
Today
62°F
Slight Chance Light Rain
A slight chance of rain after 10am. Partly sunny, with a high near 62. Southwest wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for McCarthy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Slight Chance Light Rain | 0 to 5 mph SW | 15% |
| Tonight | 42°F | Slight Chance Light Rain then Partly Cloudy | 0 to 5 mph S | 15% |
| Wednesday | 62°F | Mostly Sunny | 0 to 5 mph SW | 12% |
| Wednesday Night | 43°F | Partly Cloudy | 0 to 5 mph W | 10% |
| Thursday | 66°F | Mostly Sunny then Slight Chance Light Rain | 0 to 5 mph SW | 17% |
| Thursday Night | 47°F | Chance Light Rain | 0 to 5 mph NW | 28% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Friday Night | 47°F | Mostly Cloudy | 0 to 5 mph NW | 7% |
| Saturday | 73°F | Partly Sunny | 0 to 5 mph NW | 10% |
| Saturday Night | 48°F | Mostly Cloudy | 0 to 5 mph NW | 12% |
| Sunday | 73°F | Partly Sunny | 0 to 5 mph NW | 14% |
| Sunday Night | 47°F | Mostly Cloudy | 0 to 5 mph N | 14% |
| Monday | 71°F | Slight Chance Rain Showers | 0 to 5 mph W | 22% |
| Monday Night | 46°F | Slight Chance Rain Showers | 0 to 5 mph NW | 22% |
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 Aug 4, 2026.