Fairfield Weather Forecast
- 37
- 39
Increasing Clouds
- 13
- 43
Rain
- 27
- 35
Partly Sunny
- 20
- 44
Partly Sunny
- 22
- 35
Mostly Cloudy
- 31
- 38
Mostly Cloudy
Today 17 Dec Jefferson
Partly cloudy. Highs around 40. Northwest Winds around 5 Mph, becoming southeast with Gusts up to 20 Mph this afternoon.
Tonight 17 Dec Jefferson
Cloudy. Rain after midnight. Lows in the mid 30s. Temperature rising into the mid 40s after midnight. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.
Fairfield Temperature Statistics
December Temperature
Fairfield Municipal Airport (3.1 miles)
Lowest 14 December, 2025
-9.4 °FAverage December
20.5 °FHighest 9 December, 2025
46.4 °F
Climate (2020–Present)
Fairfield Municipal Airport (3.1 miles)
Average Low 2020–2025
41.5 °FAverage 2020–2025
51.6 °FAverage High 2020–2025
61.7 °F