Fairfield, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfield, a town in Spokane County, Washington.
Tonight
34°F
Partly Cloudy
Partly cloudy, with a low around 34. Northeast wind around 1 mph.
7-day forecast for Fairfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 34°F | Partly Cloudy | 1 mph NE | 2% |
| Wednesday | 50°F | Sunny | 0 to 3 mph S | 2% |
| Wednesday Night | 36°F | Rain Showers | 1 to 5 mph S | 86% |
| Thursday | 48°F | Rain Showers | 3 to 8 mph SW | 86% |
| Thursday Night | 35°F | Partly Cloudy | 6 mph S | 0% |
| Friday | 51°F | Mostly Cloudy | 7 mph S | 4% |
| Friday Night | 39°F | Mostly Cloudy | 5 mph SE | 8% |
| Saturday | 60°F | Partly Sunny | 5 mph E | 3% |
| Saturday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 8 mph SE | 19% |
| Sunday | 52°F | Slight Chance Rain Showers | 5 to 10 mph SW | 19% |
| Sunday Night | 38°F | Mostly Cloudy | 5 mph S | 5% |
| Monday | 54°F | Partly Sunny then Slight Chance Rain Showers | 1 to 5 mph E | 15% |
| Monday Night | 38°F | Slight Chance Rain Showers | 1 to 5 mph SE | 24% |
| Tuesday | 55°F | Slight Chance Rain Showers | 2 to 6 mph S | 24% |
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 Nov 4, 2026.