National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fairfield, Fairfield Municipal Airport (KFWC)

Lat: 38.38°NLon: 88.41°WElev: 436ft.

Fair

47°F

8°C

Humidity 45%
Wind Speed SW 12 G 18 mph
Barometer 29.93 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 11 Nov 5:35 pm CST
Extended Forecast for

Fairfield IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 36. West southwest wind 7 to 15 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61. West wind 6 to 10 mph.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. Light west wind.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Calm wind becoming south around 5 mph after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. South wind 5 to 8 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. South southwest wind around 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 36. West southwest wind 7 to 15 mph, with gusts as high as 28 mph.
Wednesday
Sunny, with a high near 61. West wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 35. Light west wind.
Thursday
Partly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 44. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly sunny, with a high near 70. South wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 55. South southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 74. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 53. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday
A chance of showers, mainly after noon. Mostly sunny, with a high near 67. West wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Partly cloudy, with a low around 42. West northwest wind 5 to 7 mph becoming light and variable.
Monday
A chance of showers. Partly sunny, with a high near 59. North northeast wind 6 to 8 mph becoming east southeast in the afternoon.
Monday Night
A chance of showers. Mostly cloudy, with a low around 44. East wind around 6 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 58. East wind 5 to 7 mph becoming north in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfield IL
 38.38°N 88.34°W
Last Update:
4:46 pm CST Nov 11, 2025
Forecast Valid:
5pm CST Nov 11, 2025-6pm CST Nov 18, 2025
 
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Additional Resources

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