Kachemak, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kachemak, a city in Kenai Peninsula Borough County, Alaska.
Today
58°F
Light Rain
Rain. Cloudy, with a high near 58. Southeast wind 5 to 15 mph. Chance of precipitation is 90%.
7-day forecast for Kachemak
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Light Rain | 5 to 15 mph SE | 89% |
| Tonight | 52°F | Light Rain Likely | 5 mph S | 70% |
| Wednesday | 59°F | Light Rain Likely | 5 mph E | 62% |
| Wednesday Night | 51°F | Light Rain Likely | 0 to 5 mph E | 58% |
| Thursday | 62°F | Light Rain Likely | 0 to 5 mph E | 58% |
| Thursday Night | 50°F | Chance Light Rain | 0 to 5 mph S | 34% |
| Friday | 70°F | Mostly Cloudy | 0 to 5 mph S | 7% |
| Friday Night | 49°F | Mostly Cloudy | 0 to 5 mph S | 3% |
| Saturday | 72°F | Mostly Cloudy | 0 to 5 mph SW | 3% |
| Saturday Night | 50°F | Mostly Cloudy | 0 to 5 mph SW | 4% |
| Sunday | 73°F | Mostly Cloudy | 0 to 5 mph SW | 9% |
| Sunday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SW | 15% |
| Monday | 72°F | Slight Chance Rain Showers | 0 to 5 mph W | 19% |
| Monday Night | 50°F | Slight Chance Rain Showers | 0 to 5 mph S | 19% |
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 Aug 4, 2026.