Fairfield, ID Weather Forecast
Local 7-day forecast
Rain Showers Likely then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fairfield, ID in one place.
Rain showers likely before noon. Mostly sunny, with a high near 63. West wind 13 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
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: Jun 8, 2026 12:16 AM MDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Fairfield, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 12:16 AM MDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield
Sunday looks like the warmest upcoming period in Fairfield at 79 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Wednesday at about 12 to 30 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jun 8, 2026 12:16 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 32. West northwest wind 9 to 26 mph, with gusts as high as 39 mph.
Sunny, with a high near 64.
Clear, with a low around 30.
Sunny, with a high near 73.
Clear, with a low around 38.
Sunny, with a high near 78.
Clear, with a low around 39.
Sunny, with a high near 77.
Clear, with a low around 40.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Rain Showers Likely then Mostly Sunny
|
63°F |
13 to 25 mph
W
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
32°F |
9 to 26 mph
WNW
|
|
Wednesday
Jun 10
|
Sunny
|
64°F |
12 to 30 mph
W
|
|
Wednesday Night
Jun 10
|
Clear
|
30°F |
6 to 26 mph
NW
|
|
Thursday
Jun 11
|
Sunny
|
73°F |
3 to 18 mph
W
|
|
Thursday Night
Jun 11
|
Clear
|
38°F |
6 to 20 mph
WNW
|
|
Friday
Jun 12
|
Sunny
|
78°F |
3 to 24 mph
WNW
|
|
Friday Night
Jun 12
|
Clear
|
39°F |
7 to 23 mph
NW
|
|
Saturday
Jun 13
|
Sunny
|
77°F |
3 to 18 mph
W
|
|
Saturday Night
Jun 13
|
Clear
|
40°F |
6 to 21 mph
NW
|
|
Sunday
Jun 14
|
Sunny
|
79°F |
2 to 14 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fairfield.
Nearby forecast pages are not available for this location yet.