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Quincy, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Quincy, a city in Grant County, Washington.

Overnight
54°F
Mostly Clear
Mostly clear. Low around 54, with temperatures rising to around 56 overnight. North wind around 3 mph.

7-day forecast for Quincy

WhenTempForecastWindPrecip
Overnight 54°F Mostly Clear 3 mph N 0%
Saturday 78°F Sunny 0 to 5 mph E 0%
Saturday Night 54°F Mostly Clear 0 to 3 mph NE 0%
Sunday 79°F Sunny 0 to 3 mph E 0%
Sunday Night 55°F Mostly Clear 2 mph W 0%
Monday 79°F Sunny 3 mph W 0%
Monday Night 55°F Partly Cloudy 2 to 7 mph NW 0%
Tuesday 76°F Mostly Sunny 1 to 5 mph NW 0%
Tuesday Night 52°F Partly Cloudy 3 to 7 mph W 0%
Wednesday 72°F Mostly Sunny 2 to 6 mph W 0%
Wednesday Night 51°F Mostly Cloudy 3 to 7 mph NW 0%
Thursday 69°F Partly Sunny 5 mph NW 6%
Thursday Night 51°F Mostly Cloudy 3 to 8 mph W 7%
Friday 67°F Mostly Sunny 8 mph NW 6%

Forecast source: National Weather Service (api.weather.gov) for Quincy (47.235, -119.853). Updated through the day.

Growing snapshot for Quincy

Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
178 days
Hardiness zone
7a

More local growing data for Quincy: nearby ZIP 98848 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Quincy, Wa (3.8 mi from Quincy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.