10-Day Weather Forecast - Fairfield, IL

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  • |16°F
    Mostly Cloudy
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    Tonight

    16°F

    Mostly cloudy this evening then clearing. Cold with lows around 12. Southwest winds 5 to 10 mph increasing to northwest 15 to 20 mph after midnight.

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  • Day

    18°F

    Sunny. Highs around 19. Northwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill readings as low as 1 below in the morning.

    Night

    13°F

    Mostly clear. Cold with lows around 10 above. West winds around 5 mph in the evening becoming light and variable.

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  • Day

    34°F

    Mostly sunny. Highs in the lower 30s. Southwest winds 5 to 10 mph.

    Night

    29°F

    Mostly clear in the evening then becoming mostly cloudy. Not as cool with lows in the mid 20s. South winds 10 to 15 mph.

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  • Day

    43°F

    Partly sunny. Highs in the mid 40s.

    Night

    26°F

    Partly cloudy. Lows in the lower 20s.

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  • Day

    35°F

    Sunny. Highs in the lower 30s.

    Night

    23°F

    Partly cloudy. Lows around 20.

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  • Day

    31°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 30s.

    Night

    7°F

    Mostly cloudy. A chance of snow and rain showers in the evening then a chance of snow showers after midnight. Lows around 20. Chance of precipitation 30 percent.

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  • Weekend Weather

  • Day

    21°F

    Mostly cloudy with a 30 percent chance of snow showers. Highs in the mid 20s.

    Night

    4°F

    Mostly cloudy with a 50 percent chance of snow showers. Cold with lows around 10 above.

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  • Day

    17°F

    Mostly sunny. Highs around 20. Wind chill readings as low as zero in the morning.

    Night

    5°F

    Clear. Low temperature around 5F. Dew point will be around 1F with an average humidity of 72%. Winds will be 3 mph from the N.

  • Day

    19°F

    Sunny. High temperature around 18F. Dew point will be around 5F with an average humidity of 64%. Winds will be 2 mph from the N.

    Night

    8°F

    Clear. Low temperature around 8F. Dew point will be around 4F with an average humidity of 73%. Winds will be 1 mph from the N.

  • Day

    22°F

    Partly cloudy. High temperature around 22F. Dew point will be around 9F with an average humidity of 67%. Winds will be 1 mph from the N.

    Night

    12°F

    Mostly cloudy. Low temperature around 12F. Dew point will be around 9F with an average humidity of 75%. Winds will be 2 mph from the W.