Fairfield, ID Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Fairfield, ID in one place.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 53. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Fairfield, ID is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 19, 2026 6:13 AM MDT.
The active forecast window currently covers Apr 23 to Apr 25, 2026 for Fairfield, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 6:13 AM MDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield
Saturday looks like the warmest upcoming period in Fairfield at 55 degrees F.
Thursday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Thursday at about 18 to 23 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 19, 2026 6:13 AM MDT
- Coverage
- 3 days
- Time zone
- America/Boise
- Forecast office
- BOI
- Radar station
- KCBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before midnight. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
A slight chance of rain and snow showers. Mostly sunny, with a high near 52. Chance of precipitation is 20%.
Partly cloudy, with a low around 26.
Mostly sunny, with a high near 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Chance Rain Showers
|
53°F |
18 to 23 mph
WNW
|
|
Thursday Night
Apr 23
|
Slight Chance Rain Showers then Partly Cloudy
|
26°F |
6 to 20 mph
WNW
|
|
Friday
Apr 24
|
Slight Chance Rain And Snow Showers
|
52°F |
5 to 16 mph
W
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
26°F |
5 to 17 mph
NW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
55°F |
5 to 13 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fairfield.
Nearby forecast pages are not available for this location yet.