Happy Valley, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Happy Valley, a community in Kenai Peninsula Borough County, Alaska.
Tonight
41°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 41. South wind 0 to 5 mph. Chance of precipitation is 40%.
7-day forecast for Happy Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Chance Rain Showers | 0 to 5 mph S | 36% |
| Saturday | 52°F | Chance Rain Showers | 5 to 10 mph NE | 52% |
| Saturday Night | 41°F | Rain Showers Likely then Light Rain | 5 to 10 mph N | 81% |
| Sunday | 51°F | Light Rain then Chance Rain Showers | 5 to 10 mph N | 81% |
| Sunday Night | 36°F | Rain Showers Likely | 0 to 5 mph W | 60% |
| Monday | 50°F | Rain Showers Likely | 0 to 5 mph S | 74% |
| Monday Night | 34°F | Chance Rain Showers | 0 mph | 51% |
| Tuesday | 51°F | Slight Chance Rain Showers then Partly Sunny | 0 to 5 mph N | 18% |
| Tuesday Night | 34°F | Partly Cloudy | 0 to 5 mph NE | 11% |
| Wednesday | 52°F | Mostly Sunny | 0 to 5 mph NE | 11% |
| Wednesday Night | 35°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 19% |
| Thursday | 53°F | Chance Rain Showers | 5 mph SE | 29% |
| Thursday Night | 37°F | Chance Rain Showers | 5 mph SE | 46% |
| Friday | 53°F | Chance Rain Showers | 5 mph E | 46% |
Forecast source: National Weather Service (api.weather.gov) for Happy Valley (59.899, -151.529). Updated through the day.
Growing snapshot for Happy Valley
Last spring frost
May 16
First fall frost
Sep 30
Growing season
136 days
More local growing data for Happy Valley: 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
Homer
Hope
Kachemak
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 Happy Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.