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Fairfield, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Fairfield, a town in Spokane County, Washington.

Today
82°F
Smoke then Haze
Smoke and haze before 8am, then haze and areas of smoke. Sunny, with a high near 82. Northeast wind around 3 mph.

7-day forecast for Fairfield

WhenTempForecastWindPrecip
Today 82°F Smoke then Haze 3 mph NE 0%
Tonight 50°F Patchy Smoke then Haze 3 mph E 0%
Wednesday 88°F Areas Of Smoke 3 mph NE 0%
Wednesday Night 52°F Patchy Smoke then Mostly Clear 3 mph NE 0%
Thursday 93°F Sunny 5 mph S 0%
Thursday Night 56°F Mostly Clear 5 mph S 0%
Friday 91°F Sunny 5 to 10 mph SW 0%
Friday Night 56°F Mostly Clear 5 to 9 mph SW 0%
Saturday 89°F Sunny 6 to 9 mph SW 0%
Saturday Night 55°F Mostly Clear 5 to 9 mph S 0%
Sunday 84°F Sunny 6 to 9 mph SW 0%
Sunday Night 53°F Mostly Clear 6 mph S 0%
Monday 83°F Sunny 7 mph SW 0%
Monday Night 52°F Mostly Clear 5 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Fairfield (47.385, -117.175). Updated through the day.

Growing snapshot for Fairfield

Last spring frost
May 11
First fall frost
Oct 5
Growing season
143 days
Hardiness zone
6b

More local growing data for Fairfield: nearby ZIP 99012 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Plummer 3 Wsw, Id (12.1 mi from Fairfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.