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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
34°F
Light Rain
Rain. Mostly cloudy, with a low around 34. Northeast wind around 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

7-day forecast for Happy Valley

WhenTempForecastWindPrecip
Overnight 34°F Light Rain 20 mph NE 77%
Wednesday 42°F Light Rain Likely then Isolated Rain Showers 5 to 15 mph E 72%
Wednesday Night 27°F Scattered Rain Showers then Mostly Cloudy 5 mph E 28%
Thursday 38°F Mostly Cloudy then Slight Chance Rain Showers 5 to 10 mph NE 17%
Thursday Night 28°F Mostly Cloudy 5 to 10 mph NE 4%
Friday 37°F Partly Sunny 0 to 5 mph N 3%
Friday Night 26°F Mostly Cloudy 5 mph NE 11%
Saturday 34°F Slight Chance Light Snow 0 to 5 mph NE 18%
Saturday Night 22°F Mostly Cloudy 0 to 5 mph NE 14%
Sunday 34°F Mostly Cloudy 0 to 5 mph NE 9%
Sunday Night 22°F Slight Chance Light Snow 0 to 10 mph NE 21%
Monday 33°F Chance Light Snow 10 mph NE 33%
Monday Night 23°F Chance Light Snow 10 mph NE 34%
Tuesday 35°F Chance Light Snow 5 to 10 mph NE 34%

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 Nov 4, 2026.