Sterling, AK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sterling, a community in Kenai Peninsula Borough County, Alaska.

Overnight

52°F

Light Rain

Rain. Cloudy, with a low around 52. East wind around 5 mph. Chance of precipitation is 90%.

7-day forecast for Sterling

When	Temp	Forecast	Wind	Precip
Overnight	52°F	Light Rain	5 mph E	91%
Tuesday	61°F	Light Rain	0 to 5 mph NE	86%
Tuesday Night	51°F	Chance Light Rain	0 mph	50%
Wednesday	64°F	Chance Light Rain	0 mph	44%
Wednesday Night	49°F	Chance Light Rain	0 mph	43%
Thursday	66°F	Chance Light Rain	0 to 5 mph N	43%
Thursday Night	49°F	Slight Chance Light Rain	0 to 5 mph W	24%
Friday	68°F	Cloudy	0 to 5 mph SW	11%
Friday Night	49°F	Mostly Cloudy	0 to 5 mph NW	5%
Saturday	72°F	Mostly Cloudy	0 to 5 mph NW	4%
Saturday Night	49°F	Mostly Cloudy	0 to 5 mph NW	3%
Sunday	72°F	Partly Sunny	0 to 5 mph NW	7%
Sunday Night	50°F	Mostly Cloudy	0 to 5 mph NW	11%
Monday	72°F	Mostly Sunny then Slight Chance Rain Showers	0 to 5 mph NW	17%

Forecast source: National Weather Service (api.weather.gov) for Sterling (60.540, -150.805). Updated through the day.

Growing snapshot for Sterling

Last spring frost

May 20

First fall frost

Sep 21

Growing season

123 days

More local growing data for Sterling: nearby ZIP 99672 weather · frost dates · planting calendar · Alaska frost dates

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Anchor Point Bear Creek Beluga Clam Gulch Cohoe Cooper Landing Crown Point Diamond Ridge Fox River Fritz Creek Funny River Halibut Cove Happy Valley Homer Hope Kachemak Kalifornsky Kasilof Kenai Lowell Point Moose Pass Nanwalek Nikiski Nikolaevsk Ninilchik Point Possession Port Graham Primrose Ridgeway Salamatof

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Climate data from the nearest NOAA station, Sterling 6Sw, Ak (7.6 mi from Sterling). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.