10-Day Weather Forecast - Fairfield, IL

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  • |29°F
    Mostly Cloudy
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    Tonight

    29°F

    Mostly cloudy. Lows in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph diminishing to around 5 mph after midnight.

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  • Day

    37°F

    Partly sunny in the morning then mostly cloudy with a chance of snow showers in the afternoon. Highs in the upper 30s. West winds around 5 mph becoming southwest in the afternoon. Chance of snow 40 percent.

    Night

    34°F

    Mostly cloudy. A chance of snow and rain showers in the evening. Little or no snow accumulation. Near steady temperature in the mid 30s. South winds around 5 mph. Chance of precipitation 50 percent.

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  • Day

    39°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the lower 40s. Northwest winds 5 to 10 mph.

    Night

    27°F

    Mostly cloudy. Lows in the lower 20s. Northwest winds around 5 mph.

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  • Weekend Weather

  • Day

    28°F

    Mostly cloudy. A chance of snow showers in the afternoon. Highs in the upper 20s. Chance of snow 30 percent.

    Night

    6°F

    Mostly cloudy in the evening then becoming partly cloudy. Colder with lows zero to 5 above zero. Wind chill readings as low as 5 below after midnight.

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  • Day

    12°F

    Mostly clear. Highs 15 to 20. Lows around 5 above.

    Night

    5°F

    Mostly clear. Highs 15 to 20. Lows around 5 above.

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  • Day

    31°F

    Sunny. Not as cool with highs in the mid 30s.

    Night

    25°F

    Mostly cloudy. Lows in the lower 20s. Highs in the lower 40s.

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  • Day

    36°F

    Mostly cloudy. Lows in the lower 20s. Highs in the lower 40s.

    Night

    34°F

    Mostly cloudy with a 30 percent chance of rain showers. Lows in the lower 30s. Highs in the upper 40s.

    Hourly details
  • Day

    47°F

    Mostly cloudy with a 30 percent chance of rain showers. Lows in the lower 30s. Highs in the upper 40s.

    Night

    44°F

    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 44F. Dew point will be around 42F with an average humidity of 88%. Winds will be 11 mph from the SW.

  • Day

    51°F

    Partly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 51F. Dew point will be around 39F with an average humidity of 73%. Winds will be 8 mph from the SW.

    Night

    36°F

    Partly cloudy. Low temperature around 36F. Dew point will be around 31F with an average humidity of 72%. Winds will be 3 mph from the W.

  • Day

    47°F

    Partly cloudy. High temperature around 47F. Dew point will be around 32F with an average humidity of 64%. Winds will be 5 mph from the S.

    Night

    41°F

    Mostly clear. Low temperature around 41F. Dew point will be around 36F with an average humidity of 78%. Winds will be 5 mph from the S.