Fairfield, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfield, a town in Spokane County, Washington.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. West wind around 3 mph.
7-day forecast for Fairfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 3 mph W | 0% |
| Tonight | 50°F | Mostly Clear | 3 mph S | 0% |
| Sunday | 80°F | Sunny | 1 to 5 mph SE | 0% |
| Sunday Night | 50°F | Mostly Clear | 3 mph E | 0% |
| Monday | 82°F | Sunny | 5 mph S | 0% |
| Monday Night | 51°F | Partly Cloudy | 3 mph S | 0% |
| Tuesday | 78°F | Mostly Sunny | 6 mph S | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 5 mph SW | 1% |
| Wednesday | 70°F | Mostly Sunny | 7 mph SW | 1% |
| Wednesday Night | 47°F | Partly Cloudy | 5 mph S | 1% |
| Thursday | 70°F | Mostly Sunny | 5 mph S | 5% |
| Thursday Night | 47°F | Partly Cloudy | 3 mph NE | 8% |
| Friday | 67°F | Partly Sunny | 5 mph SW | 12% |
| Friday Night | 44°F | Mostly Cloudy | 5 mph SW | 12% |
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
Nearby towns & communities
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Cheney
Country Homes
Deer Park
Fairchild AFB
Fairwood
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Green Bluff
Latah
Liberty Lake
Mead
Medical Lake
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Otis Orchards-East Farms
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Spokane
Spokane Valley
Suncrest
Town and Country
Waverly
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 Sep 20, 2026.