10-Day Weather Forecast - Decatur, IN

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  • |31°F
    Mostly Cloudy
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    Tonight

    31°F

    Mostly cloudy. Much cooler with lows in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

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  • Day

    45°F

    Mostly sunny. Much cooler with highs in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph.

    Night

    39°F

    Mostly clear in the evening then cloudy with a chance of rain and snow showers after midnight. Breezy with lows in the upper 30s. Southwest winds 5 to 10 mph increasing to south 20 to 25 mph with gusts up to 40 mph after midnight. Chance of precipitation 30 percent.

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  • Day

    49°F

    Mostly cloudy with a chance of rain and snow showers in the morning then mostly sunny in the afternoon. Little or no snow accumulation. Very windy with highs in the lower 50s. Southwest winds 30 to 35 mph with gusts up to 50 mph. Chance of precipitation 30 percent.

    Night

    31°F

    Mostly clear and breezy. Lows in the upper 20s. West winds 20 to 25 mph with gusts up to 40 mph becoming northwest 5 to 10 mph with gusts up to 20 mph after midnight.

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  • Weekend Weather

  • Day

    43°F

    Mostly cloudy. Highs in the mid 40s.

    Night

    37°F

    Cloudy. A slight chance of rain and snow in the evening then a chance of rain and snow after midnight. Lows in the mid 30s. Chance of precipitation 40 percent.

    Hourly details
  • Day

    64°F

    Mostly cloudy. A chance of rain and snow in the morning then rain likely with a slight chance of thunderstorms in the afternoon. Breezy and not as cool with highs in the mid 60s. Chance of precipitation 70 percent.

    Night

    33°F

    Rain with a slight chance of thunderstorms. A chance of snow after midnight. Breezy with lows in the mid 20s. Chance of precipitation 80 percent.

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  • Day

    31°F

    A chance of rain in the morning. Mostly cloudy with a chance of snow. Brisk and much cooler. Near steady temperature in the upper 20s. Chance of precipitation 40 percent.

    Night

    19°F

    Mostly cloudy with a 20 percent chance of snow. Cold with lows 15 to 20.

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  • Day

    29°F

    Partly cloudy with a 20 percent chance of snow. Highs in the lower 30s.

    Night

    23°F

    Partly cloudy in the evening then becoming mostly clear. Cold with lows around 20.

    Hourly details
  • Day

    38°F

    Partly cloudy in the morning then becoming mostly cloudy. A slight chance of snow. A slight chance of rain in the afternoon. Highs in the upper 30s. Chance of precipitation 20 percent.

    Night

    30°F

    Mostly cloudy. Low temperature around 30F. Dew point will be around 26F with an average humidity of 77%. Winds will be 3 mph from the S.

  • Day

    46°F

    Mostly cloudy. High temperature around 46F. Dew point will be around 31F with an average humidity of 76%. Winds will be 8 mph from the S.

    Night

    41°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 37F with an average humidity of 79%. Winds will be 8 mph from the SW.

  • Day

    56°F

    Cloudy. High temperature around 56F. Dew point will be around 43F with an average humidity of 80%. Winds will be 11 mph from the SW.

    Night

    44°F

    Partly cloudy. Low temperature around 44F. Dew point will be around 43F with an average humidity of 79%. Winds will be 6 mph from the W.