Nikiski, AK Weather & Growing Conditions

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

Today

57°F

Light Rain

Rain. Cloudy, with a high near 57. Northeast wind 5 to 10 mph. Chance of precipitation is 90%.

7-day forecast for Nikiski

When	Temp	Forecast	Wind	Precip
Today	57°F	Light Rain	5 to 10 mph NE	88%
Tonight	52°F	Light Rain Likely	5 mph NE	70%
Wednesday	58°F	Light Rain Likely	5 mph N	62%
Wednesday Night	51°F	Chance Light Rain	0 to 5 mph W	53%
Thursday	60°F	Chance Light Rain	0 to 5 mph NE	53%
Thursday Night	50°F	Slight Chance Light Rain	5 mph SW	23%
Friday	67°F	Slight Chance Light Rain then Mostly Cloudy	5 mph SW	18%
Friday Night	49°F	Mostly Cloudy	5 mph SW	6%
Saturday	71°F	Partly Sunny	5 mph SW	6%
Saturday Night	49°F	Mostly Cloudy	5 mph SW	4%
Sunday	71°F	Partly Sunny	0 to 5 mph SW	8%
Sunday Night	50°F	Mostly Cloudy	5 mph SW	9%
Monday	70°F	Partly Sunny	0 to 5 mph SW	14%
Monday Night	49°F	Mostly Cloudy	5 mph SW	14%

Forecast source: National Weather Service (api.weather.gov) for Nikiski (60.725, -151.225). Updated through the day.

Growing snapshot for Nikiski

Last spring frost

Jun 11

First fall frost

Sep 1

Growing season

75 days

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

Nearby towns & communities

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 Nikolaevsk Ninilchik Point Possession Port Graham Primrose Ridgeway Salamatof Seldovia

All Alaska locations ›

Climate data from the nearest NOAA station, Soldotna 5Ssw, Ak (5.7 mi from Nikiski). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.