Fairfield, ID Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fairfield, ID in one place.
Sunny, with a high near 96. Southwest wind 3 to 12 mph, with gusts as high as 25 mph.
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: Jul 23, 2026 1:28 AM MDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Fairfield, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 1:28 AM MDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield
Friday looks like the warmest upcoming period in Fairfield at 96 degrees F.
Monday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday Night at about 3 to 16 mph NW.
The forecast from Jul 24 through Jul 29 stays mostly dry.
Forecast Details
- Last updated
- Jul 23, 2026 1:28 AM MDT
- Coverage
- 6 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
Mostly clear, with a low around 57. South southeast wind 3 to 13 mph, with gusts as high as 22 mph.
Sunny, with a high near 95.
Mostly clear, with a low around 55.
Sunny, with a high near 91.
Mostly clear, with a low around 54.
Sunny, with a high near 90.
Mostly clear, with a low around 52.
Sunny, with a high near 91.
Mostly clear, with a low around 53.
Sunny, with a high near 91.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Sunny
|
96°F |
3 to 12 mph
SW
|
|
Friday Night
Jul 24
|
Mostly Clear
|
57°F |
3 to 13 mph
SSE
|
|
Saturday
Jul 25
|
Sunny
|
95°F |
5 to 14 mph
SSW
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
55°F |
3 to 16 mph
NW
|
|
Sunday
Jul 26
|
Sunny
|
91°F |
2 to 16 mph
WNW
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
54°F |
3 to 15 mph
NW
|
|
Monday
Jul 27
|
Sunny
|
90°F |
2 to 16 mph
W
|
|
Monday Night
Jul 27
|
Mostly Clear
|
52°F |
5 to 16 mph
WNW
|
|
Tuesday
Jul 28
|
Sunny
|
91°F |
2 to 14 mph
W
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
53°F |
7 to 15 mph
NW
|
|
Wednesday
Jul 29
|
Sunny
|
91°F |
3 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.