McGrath, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McGrath, a city in Yukon-Koyukuk Census Area County, Alaska.
Overnight
49°F
Rain Showers
Rain showers. Cloudy, with a low around 49. South wind around 10 mph. Chance of precipitation is 90%.
7-day forecast for McGrath
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Rain Showers | 10 mph S | 91% |
| Tuesday | 61°F | Rain Showers | 10 to 20 mph S | 82% |
| Tuesday Night | 48°F | Chance Rain Showers | 5 to 20 mph S | 42% |
| Wednesday | 62°F | Chance Rain Showers | 5 to 10 mph S | 42% |
| Wednesday Night | 47°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 47% |
| Thursday | 60°F | Rain Showers Likely | 5 mph SE | 72% |
| Thursday Night | 45°F | Rain Showers Likely | 0 to 5 mph S | 72% |
| Friday | 61°F | Chance Rain Showers | 0 to 5 mph SW | 35% |
| Friday Night | 46°F | Chance Rain Showers | 0 to 5 mph SW | 31% |
| Saturday | 62°F | Chance Rain Showers | 0 mph | 30% |
| Saturday Night | 47°F | Chance Rain Showers | 0 mph | 30% |
| Sunday | 62°F | Slight Chance Rain Showers | 0 mph | 24% |
| Sunday Night | 48°F | Slight Chance Rain Showers | 0 mph | 22% |
| Monday | 69°F | Chance Rain Showers | 0 to 5 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov) for McGrath (62.939, -155.568). Updated through the day.
Growing snapshot for McGrath
Last spring frost
May 13
First fall frost
Sep 13
Growing season
120 days
More local growing data for McGrath: nearby ZIP 99675 weather · frost dates · planting calendar · Alaska frost dates
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Climate data from the nearest NOAA station, Mcgrath Ap, Ak (13.7 mi from McGrath). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.