Fairfield, ID Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fairfield, ID in one place.
Mostly sunny, with a high near 60. East northeast wind 9 to 16 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: Nov 11, 2026 1:04 AM MST.
The active forecast window currently covers Nov 12 to Nov 17, 2026 for Fairfield, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 1:04 AM MST
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield
Thursday looks like the warmest upcoming period in Fairfield at 60 degrees F.
Saturday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Friday at about 12 to 22 mph E.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 1:04 AM MST
- 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 cloudy, with a low around 28. East northeast wind 12 to 16 mph.
A chance of rain showers after 5pm. Mostly sunny, with a high near 58. Chance of precipitation is 50%.
Rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 5pm. Partly sunny, with a high near 46. Chance of precipitation is 70%.
Areas of fog after 5am. Partly cloudy, with a low around 23.
Areas of fog before 8am. Mostly sunny, with a high near 48.
A chance of rain showers after 5am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Rain showers likely. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Rain showers likely before 5am, then patchy fog and a chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Patchy fog and a chance of rain and snow showers. Mostly cloudy, with a high near 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Mostly Sunny
|
60°F |
9 to 16 mph
ENE
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
28°F |
12 to 16 mph
ENE
|
|
Friday
Nov 13
|
Mostly Sunny then Chance Rain Showers
|
58°F |
12 to 22 mph
E
|
|
Friday Night
Nov 13
|
Rain Showers
|
38°F |
14 to 20 mph
E
|
|
Saturday
Nov 14
|
Rain Showers Likely
|
46°F |
9 to 17 mph
NNW
|
|
Saturday Night
Nov 14
|
Partly Cloudy then Areas Of Fog
|
23°F |
2 to 9 mph
NW
|
|
Sunday
Nov 15
|
Areas Of Fog then Mostly Sunny
|
48°F |
2 to 9 mph
ENE
|
|
Sunday Night
Nov 15
|
Mostly Cloudy then Chance Rain Showers
|
27°F |
8 to 12 mph
ENE
|
|
Monday
Nov 16
|
Rain Showers Likely
|
47°F |
9 mph
E
|
|
Monday Night
Nov 16
|
Rain Showers Likely then Patchy Fog
|
27°F |
2 to 7 mph
ENE
|
|
Tuesday
Nov 17
|
Patchy Fog
|
44°F |
2 to 8 mph
WNW
|
Nearby Forecasts
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