Kenai, AK Weather & Growing Conditions

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

Today

42°F

Cloudy

Cloudy, with a high near 42. Northeast wind around 20 mph, with gusts as high as 35 mph.

7-day forecast for Kenai

When	Temp	Forecast	Wind	Precip
Today	42°F	Cloudy	20 mph NE	12%
Tonight	34°F	Mostly Cloudy then Chance Rain Showers	15 to 20 mph NE	40%
Wednesday	44°F	Chance Rain Showers	5 to 15 mph NE	47%
Wednesday Night	31°F	Chance Rain Showers then Slight Chance Rain And Snow Showers	10 mph NE	27%
Thursday	40°F	Mostly Cloudy	10 mph NE	13%
Thursday Night	27°F	Mostly Cloudy	5 to 10 mph NE	9%
Friday	39°F	Mostly Cloudy	5 mph NE	8%
Friday Night	27°F	Mostly Cloudy	5 mph NE	13%
Saturday	37°F	Mostly Cloudy	5 mph NE	13%
Saturday Night	25°F	Mostly Cloudy	5 mph NE	10%
Sunday	36°F	Mostly Cloudy	5 mph NE	9%
Sunday Night	24°F	Mostly Cloudy	5 mph NE	10%
Monday	35°F	Mostly Cloudy	5 to 10 mph NE	13%
Monday Night	24°F	Cloudy	5 to 10 mph NE	12%

Forecast source: National Weather Service (api.weather.gov) for Kenai (60.562, -151.208). Updated through the day.

Growing snapshot for Kenai

Last spring frost

Jun 11

First fall frost

Sep 1

Growing season

75 days

More local growing data for Kenai: nearby ZIP 99669 weather · frost dates · planting calendar · Alaska frost dates

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Climate data from the nearest NOAA station, Soldotna 5Ssw, Ak (5.7 mi from Kenai). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.