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.
Overnight
51°F
Rain
Rain. Cloudy, with a low around 51. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
7-day forecast for Happy Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Rain | 15 mph S | 96% |
| Tuesday | 57°F | Rain | 5 to 15 mph SE | 96% |
| Tuesday Night | 50°F | Light Rain Likely | 5 mph SE | 67% |
| Wednesday | 57°F | Light Rain Likely | 0 to 5 mph SE | 62% |
| Wednesday Night | 49°F | Chance Light Rain | 0 to 5 mph SE | 52% |
| Thursday | 59°F | Chance Light Rain | 0 mph | 52% |
| Thursday Night | 47°F | Chance Light Rain | 0 to 5 mph SW | 29% |
| Friday | 65°F | Mostly Cloudy | 5 mph S | 6% |
| Friday Night | 47°F | Mostly Cloudy | 0 to 5 mph S | 4% |
| Saturday | 68°F | Partly Sunny | 0 to 5 mph SW | 4% |
| Saturday Night | 48°F | Mostly Cloudy | 0 to 5 mph SW | 3% |
| Sunday | 68°F | Partly Sunny | 0 to 5 mph SW | 7% |
| Sunday Night | 48°F | Partly Cloudy | 0 to 5 mph SW | 14% |
| Monday | 66°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph SW | 22% |
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 Aug 4, 2026.