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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

WhenTempForecastWindPrecip
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

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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.