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Quincy, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Quincy, a community in Plumas County, California.

Tonight
28°F
Haze then Areas Of Fog
Haze and areas of fog before 11pm, then areas of fog and patchy frost between 11pm and 3am, then widespread frost and areas of fog. Mostly cloudy. Low around 28, with temperatures rising to around 30 overnight. North northeast wind around 1 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Quincy

WhenTempForecastWindPrecip
Tonight 28°F Haze then Areas Of Fog 1 mph NNE 6%
Wednesday 62°F Widespread Frost then Mostly Sunny 1 mph N 0%
Wednesday Night 28°F Patchy Fog then Widespread Frost 0 mph 0%
Thursday 67°F Widespread Frost then Sunny 1 mph N 0%
Thursday Night 27°F Widespread Frost 2 mph NNE 0%
Friday 71°F Widespread Frost then Sunny 2 mph NE 0%
Friday Night 29°F Mostly Clear 1 to 12 mph NE 0%
Saturday 73°F Sunny 2 mph SE 0%
Saturday Night 31°F Mostly Clear 2 mph SSE 0%
Sunday 70°F Mostly Sunny 0 to 3 mph WNW 0%
Sunday Night 31°F Partly Cloudy 2 mph S 0%
Monday 67°F Mostly Sunny 0 to 3 mph SW 4%
Monday Night 31°F Partly Cloudy 2 mph WNW 4%
Tuesday 67°F Mostly Sunny then Slight Chance Light Rain 2 mph NNE 15%

Forecast source: National Weather Service (api.weather.gov) for Quincy (39.931, -120.955). Updated through the day.

Growing snapshot for Quincy

Last spring frost
May 22
First fall frost
Sep 25
Growing season
122 days
Hardiness zone
7b

More local growing data for Quincy: nearby ZIP 95971 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Quincy, Ca (1.3 mi from Quincy). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.