10-Day Weather Forecast - Fairfield, IL

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  • |18°F
    Mostly Cloudy
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    Tonight

    18°F

    Mostly cloudy. Cold with lows around 13. North winds around 5 mph.

    Hourly details
  • Day

    30°F

    Mostly cloudy. Highs in the lower 30s. South winds 5 to 10 mph.

    Night

    29°F

    Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature in the upper 20s. Southwest winds around 5 mph.

    Hourly details
  • Day

    41°F

    Mostly sunny in the morning then becoming mostly cloudy. Highs in the mid 40s. West winds 5 to 10 mph becoming northwest 10 to 15 mph in the afternoon.

    Night

    27°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 20s. North winds 5 to 10 mph.

    Hourly details
  • Weekend Weather

  • Day

    31°F

    Mostly sunny. Highs in the lower 30s.

    Night

    23°F

    Mostly cloudy. Lows in the lower 20s.

    Hourly details
  • Day

    44°F

    Partly sunny in the morning then clearing. Not as cool with highs in the upper 40s.

    Night

    29°F

    Mostly clear. Lows in the upper 20s. Highs in the lower 50s.

    Hourly details
  • Day

    48°F

    Mostly clear. Lows in the upper 20s. Highs in the lower 50s.

    Night

    37°F

    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 30s.

    Hourly details
  • Day

    60°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 50s.

    Night

    44°F

    Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.

    Hourly details
  • Day

    51°F

    Mostly cloudy. A chance of showers in the morning. Highs in the mid 50s. Chance of rain 30 percent.

    Night

    40°F

    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 40F. Dew point will be around 35F with an average humidity of 73%. Winds will be 1 mph from the S.

  • Day

    46°F

    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 46F. Dew point will be around 35F with an average humidity of 69%. Winds will be 2 mph from the S.

    Night

    40°F

    Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 40F. Dew point will be around 35F with an average humidity of 75%. Winds will be 1 mph from the SE.

  • Day

    48°F

    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 48F. Dew point will be around 36F with an average humidity of 71%. Winds will be 2 mph from the S.

    Night

    40°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 40F. Dew point will be around 35F with an average humidity of 72%. Winds will be 1 mph from the SW.