Fairfield, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfield, a city in Camas County, Idaho.
Overnight
36°F
Patchy Smoke
Patchy smoke. Mostly clear. Low around 36, with temperatures rising to around 41 overnight. West wind around 5 mph.
7-day forecast for Fairfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 36°F | Patchy Smoke | 5 mph W | 0% |
| Tuesday | 83°F | Areas Of Smoke | 5 to 14 mph WSW | 0% |
| Tuesday Night | 38°F | Areas Of Smoke | 6 to 15 mph W | 0% |
| Wednesday | 88°F | Areas Of Smoke | 5 to 12 mph W | 0% |
| Wednesday Night | 40°F | Patchy Smoke | 3 to 14 mph WNW | 0% |
| Thursday | 95°F | Patchy Smoke | 2 to 12 mph W | 0% |
| Thursday Night | 47°F | Mostly Clear then Patchy Smoke | 3 to 13 mph NW | 0% |
| Friday | 96°F | Sunny | 5 to 16 mph W | 0% |
| Friday Night | 54°F | Mostly Clear | 5 to 20 mph NNW | 0% |
| Saturday | 96°F | Sunny | 3 to 16 mph WNW | 0% |
| Saturday Night | 54°F | Mostly Clear | 5 to 18 mph NW | 0% |
| Sunday | 92°F | Sunny | 3 to 20 mph W | 0% |
| Sunday Night | 52°F | Mostly Clear | 5 to 20 mph NW | 0% |
| Monday | 91°F | Sunny | 2 to 17 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fairfield (43.348, -114.801). Updated through the day.
Growing snapshot for Fairfield
Last spring frost
Jun 16
First fall frost
Sep 6
Growing season
80 days
Hardiness zone
5a
More local growing data for Fairfield: nearby ZIP 83322 weather · frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Hill City 1 W, Id (5.5 mi from Fairfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.