Fairfield, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfield, a town in Spokane County, Washington.
Overnight
48°F
Mostly Clear
Mostly clear, with a low around 48. South wind around 2 mph.
7-day forecast for Fairfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Clear | 2 mph S | 0% |
| Saturday | 76°F | Sunny | 3 mph S | 1% |
| Saturday Night | 49°F | Mostly Clear | 0 to 3 mph S | 1% |
| Sunday | 79°F | Sunny | 3 mph S | 0% |
| Sunday Night | 49°F | Mostly Clear | 3 mph NE | 0% |
| Monday | 80°F | Sunny | 5 mph S | 0% |
| Monday Night | 51°F | Partly Cloudy | 3 mph S | 0% |
| Tuesday | 77°F | Sunny | 5 mph S | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 3 mph S | 1% |
| Wednesday | 72°F | Mostly Sunny | 6 mph S | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 3 mph S | 1% |
| Thursday | 72°F | Mostly Sunny | 5 mph S | 3% |
| Thursday Night | 48°F | Partly Cloudy | 3 mph S | 9% |
| Friday | 68°F | Partly Sunny then Slight Chance Rain Showers | 5 mph S | 18% |
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
Airway Heights
Cheney
Country Homes
Deer Park
Fairchild AFB
Fairwood
Four Lakes
Green Bluff
Latah
Liberty Lake
Mead
Medical Lake
Millwood
Otis Orchards-East Farms
Rockford
Spangle
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 19, 2026.