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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.

Tonight
35°F
Chance Rain Showers
A chance of rain showers before 4am. Mostly clear, with a low around 35. North wind 0 to 3 mph.

7-day forecast for Quincy

WhenTempForecastWindPrecip
Tonight 35°F Chance Rain Showers 0 to 3 mph N 2%
Wednesday 52°F Areas Of Fog 0 to 5 mph E 9%
Wednesday Night 37°F Chance Rain Showers 2 mph NE 35%
Thursday 57°F Patchy Fog then Mostly Sunny 0 to 3 mph W 4%
Thursday Night 37°F Partly Cloudy 2 mph NW 5%
Friday 53°F Mostly Cloudy 0 to 3 mph NE 5%
Friday Night 35°F Mostly Cloudy 2 mph NE 4%
Saturday 56°F Partly Sunny 0 to 3 mph N 2%
Saturday Night 37°F Mostly Cloudy 2 mph NW 5%
Sunday 58°F Partly Sunny 1 to 6 mph SW 5%
Sunday Night 35°F Mostly Cloudy 3 mph NW 2%
Monday 54°F Partly Sunny 0 to 3 mph N 9%
Monday Night 35°F Slight Chance Rain Showers 1 mph N 18%
Tuesday 56°F Slight Chance Rain Showers 2 mph E 19%

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 Nov 4, 2026.