Nikiski, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nikiski, a community in Kenai Peninsula Borough County, Alaska.
This Afternoon
54°F
Light Rain
Rain. Cloudy, with a high near 54. Northeast wind around 5 mph. Chance of precipitation is 80%.
7-day forecast for Nikiski
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Light Rain | 5 mph NE | 77% |
| Tonight | 42°F | Light Rain Likely then Chance Rain Showers | 5 to 10 mph W | 57% |
| Saturday | 53°F | Rain Showers Likely | 0 to 15 mph NE | 61% |
| Saturday Night | 43°F | Rain Showers Likely then Light Rain Likely | 10 to 15 mph NE | 61% |
| Sunday | 55°F | Chance Light Rain | 5 to 15 mph N | 54% |
| Sunday Night | 38°F | Light Rain Likely | 0 to 5 mph W | 77% |
| Monday | 53°F | Rain Showers | 5 mph SE | 86% |
| Monday Night | 36°F | Rain Showers Likely | 5 mph SE | 70% |
| Tuesday | 53°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph NE | 23% |
| Tuesday Night | 36°F | Mostly Clear | 5 mph NE | 9% |
| Wednesday | 53°F | Mostly Sunny | 0 to 5 mph NE | 9% |
| Wednesday Night | 36°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 19% |
| Thursday | 54°F | Chance Rain Showers | 5 mph E | 29% |
| Thursday Night | 38°F | Chance Rain Showers | 5 mph E | 47% |
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
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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
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 Sep 18, 2026.