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
48°F
Light Rain
Rain. Cloudy, with a high near 48. Northeast wind around 5 mph. Chance of precipitation is 90%.
7-day forecast for McCarthy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Light Rain | 5 mph NE | 86% |
| Tonight | 38°F | Light Rain | 5 to 15 mph E | 86% |
| Saturday | 50°F | Light Rain Likely then Chance Rain Showers | 0 to 5 mph E | 58% |
| Saturday Night | 34°F | Chance Light Rain | 0 to 10 mph NE | 47% |
| Sunday | 49°F | Chance Light Rain then Chance Rain Showers | 0 to 10 mph E | 49% |
| Sunday Night | 34°F | Rain Showers | 0 to 5 mph SE | 83% |
| Monday | 49°F | Rain Showers | 0 to 5 mph S | 80% |
| Monday Night | 29°F | Mostly Cloudy | 0 to 5 mph SE | 14% |
| Tuesday | 48°F | Mostly Cloudy | 0 to 5 mph E | 5% |
| Tuesday Night | 29°F | Mostly Cloudy | 0 to 5 mph N | 10% |
| Wednesday | 48°F | Partly Sunny | 0 mph | 10% |
| Wednesday Night | 28°F | Mostly Cloudy | 0 mph | 10% |
| Thursday | 49°F | Mostly Sunny | 0 to 5 mph N | 10% |
| Thursday Night | 30°F | Mostly Cloudy then Slight Chance Rain And Snow Showers | 0 to 5 mph NE | 16% |
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 Sep 19, 2026.