Kachemak, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kachemak, a city in Kenai Peninsula Borough County, Alaska.
Overnight
40°F
Light Rain
Rain. Cloudy. Low around 40, with temperatures rising to around 46 overnight. Northeast wind around 5 mph. Chance of precipitation is 90%.
7-day forecast for Kachemak
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Light Rain | 5 mph NE | 85% |
| Wednesday | 47°F | Light Rain then Isolated Rain Showers | 5 to 10 mph SE | 79% |
| Wednesday Night | 32°F | Scattered Rain Showers then Mostly Cloudy | 5 mph NE | 31% |
| Thursday | 43°F | Partly Sunny then Slight Chance Rain Showers | 5 mph NE | 20% |
| Thursday Night | 31°F | Mostly Cloudy | 5 mph N | 6% |
| Friday | 40°F | Partly Sunny | 0 to 5 mph N | 5% |
| Friday Night | 30°F | Mostly Cloudy then Slight Chance Light Snow | 0 to 5 mph N | 20% |
| Saturday | 38°F | Chance Light Snow | 0 to 5 mph N | 31% |
| Saturday Night | 26°F | Slight Chance Light Snow then Mostly Cloudy | 0 mph | 16% |
| Sunday | 37°F | Mostly Cloudy then Slight Chance Rain And Snow | 0 mph | 16% |
| Sunday Night | 26°F | Chance Rain And Snow | 0 to 5 mph NE | 32% |
| Monday | 38°F | Chance Light Snow | 5 mph NE | 44% |
| Monday Night | 27°F | Chance Rain And Snow | 5 mph NE | 40% |
| Tuesday | 39°F | Chance Light Snow | 0 to 5 mph N | 40% |
Forecast source: National Weather Service (api.weather.gov) for Kachemak (59.675, -151.436). Updated through the day.
Growing snapshot for Kachemak
Last spring frost
May 16
First fall frost
Sep 30
Growing season
136 days
More local growing data for Kachemak: nearby ZIP 99556 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
Kalifornsky
Kasilof
Kenai
Lowell Point
Moose Pass
Nanwalek
Nikiski
Nikolaevsk
Ninilchik
Point Possession
Port Graham
Primrose
Ridgeway
Salamatof
Seldovia
Climate data from the nearest NOAA station, Homer 8 Nw, Ak (6.5 mi from Kachemak). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.