Fairfield, ID 7-Day Weather Forecast
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Fairfield Weather Forecast


Fairfield, ID Weather Forecast Date: 230 AM MDT Sat Sep 12 2026
Weather forecast for Fairfield, ID
| Today Hi: 80°FHi: 27°C Lo: 46°F Lo: 8°C |
Today... Mostly sunny. Highs 77 to 82. Light winds this morning, becoming southwest around 10 mph with gusts to 25 mph this afternoon. |
| Sun Hi: 65°FHi: 18°C Lo: 32°F Lo: 0°C |
Sunday... Sunny. Patchy smoke. Much cooler with highs 62 to 67. Breezy. West winds 10 to 20 mph with gusts to 35 mph. |
| Mon Hi: 68°FHi: 20°C Lo: 34°F Lo: 1°C |
Monday... Sunny. Highs 65 to 70. West winds 10 to 15 mph. |
| Tue Hi: 72°FHi: 22°C Lo: 40°F Lo: 4°C |
Tuesday... Patchy fog in the morning. Sunny. Highs 69 to 74. |
| Wed Hi: 77°FHi: 25°C Lo: 40°F Lo: 4°C |
Wednesday... Mostly clear. Lows 34 to 44. Highs 71 to 81. |
| Thu Hi: 77°FHi: 25°C Lo: 40°F Lo: 4°C |
Thursday... Mostly clear. Lows 34 to 44. Highs 71 to 81. |
| Fri Hi: 77°FHi: 25°C Lo: 40°F Lo: 4°C |
Friday... Mostly clear. Lows 34 to 44. Highs 71 to 81. |
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