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Mentasta Lake, AK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mentasta Lake, a community in Southeast Fairbanks Census Area County, Alaska.

Overnight
40°F
Mostly Cloudy
Mostly cloudy, with a low around 40. West wind around 30 mph, with gusts as high as 40 mph.

7-day forecast for Mentasta Lake

WhenTempForecastWindPrecip
Overnight 40°F Mostly Cloudy 30 mph W 11%
Tuesday 51°F Mostly Sunny 20 to 30 mph SW 11%
Tuesday Night 41°F Mostly Clear 15 to 20 mph W 4%
Wednesday 53°F Mostly Sunny 15 to 20 mph SW 6%
Wednesday Night 41°F Partly Cloudy 10 to 15 mph SW 6%
Thursday 55°F Mostly Sunny then Slight Chance Light Rain 10 to 15 mph SW 19%
Thursday Night 38°F Slight Chance Light Rain then Partly Cloudy 5 to 10 mph SW 19%
Friday 52°F Mostly Sunny 10 mph SW 14%
Friday Night 38°F Mostly Cloudy then Slight Chance Rain Showers 10 mph NW 18%
Saturday 50°F Slight Chance Rain Showers 10 mph N 20%
Saturday Night 38°F Slight Chance Rain Showers 10 mph N 20%
Sunday 50°F Slight Chance Rain Showers 10 mph N 20%
Sunday Night 38°F Slight Chance Rain Showers 5 to 10 mph N 20%
Monday 50°F Chance Rain Showers 10 mph N 25%

Forecast source: National Weather Service (api.weather.gov) for Mentasta Lake (63.012, -143.561). Updated through the day.

Growing snapshot for Mentasta Lake

Growing season
64 days

More local growing data for Mentasta Lake: nearby ZIP 99776 weather · frost dates · planting calendar · Alaska frost dates

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Climate data from the nearest NOAA station, Tok, Ak (13.9 mi from Mentasta Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.