Kachemak, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kachemak, a city in Kenai Peninsula Borough County, Alaska.
This Afternoon
55°F
Chance Light Rain
A chance of rain before 4pm, then a chance of rain showers. Cloudy, with a high near 55. South wind 0 to 5 mph. Chance of precipitation is 50%.
7-day forecast for Kachemak
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Chance Light Rain | 0 to 5 mph S | 52% |
| Tonight | 40°F | Chance Rain Showers | 0 to 5 mph SW | 45% |
| Saturday | 54°F | Rain Showers Likely | 5 mph NE | 67% |
| Saturday Night | 42°F | Rain Showers Likely then Light Rain | 5 mph NE | 84% |
| Sunday | 54°F | Light Rain | 0 to 5 mph NW | 82% |
| Sunday Night | 38°F | Light Rain Likely | 0 to 5 mph SW | 63% |
| Monday | 54°F | Rain Showers Likely | 0 to 5 mph S | 73% |
| Monday Night | 36°F | Chance Rain Showers | 0 mph | 47% |
| Tuesday | 55°F | Slight Chance Rain Showers | 0 to 5 mph N | 17% |
| Tuesday Night | 36°F | Partly Cloudy | 0 to 5 mph N | 12% |
| Wednesday | 56°F | Mostly Sunny | 0 mph | 10% |
| Wednesday Night | 37°F | Mostly Cloudy then Slight Chance Rain Showers | 0 mph | 21% |
| Thursday | 57°F | Chance Rain Showers | 0 to 5 mph SE | 33% |
| Thursday Night | 38°F | Chance Rain Showers | 5 mph E | 50% |
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 Sep 19, 2026.