10-Day Weather Forecast - Decatur, OH

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  • |27°F
    Mostly Cloudy
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    Tonight

    27°F

    Mostly cloudy. Low temperature around 27F. Dew point will be around 21F with an average humidity of 93%. Winds will be 4 mph from the SW.

    Hourly details
  • Day

    33°F

    Snow. Snow may be heavy at times this afternoon. Snow accumulation of 2 to 4 inches. Highs in the mid 30s. Light and variable winds becoming northeast around 5 mph late. Chance of snow 100 percent.

    Night

    17°F

    Mostly cloudy with snow likely in the evening then partly cloudy after midnight. Total snow accumulation of 2 to 4 inches. Lows 10 to 15. Northeast winds around 5 mph. Chance of snow 70 percent.

    Hourly details
  • Day

    25°F

    Partly cloudy. Cold with highs in the mid 20s. North winds 5 to 10 mph.

    Night

    5°F

    Partly cloudy. Cold with lows 5 to 10 above. North winds around 5 mph.

    Hourly details
  • Day

    25°F

    Partly cloudy. Cold with highs in the mid 20s. Northwest winds around 5 mph becoming west around 5 mph in the afternoon.

    Night

    19°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows 15 to 20.

    Hourly details
  • Day

    36°F

    Mostly cloudy. Warmer with highs in the upper 30s.

    Night

    15°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows 10 to 15.

    Hourly details
  • Weekend Weather

  • Day

    24°F

    Partly cloudy in the morning then clearing. Highs in the upper 20s.

    Night

    15°F

    Partly cloudy. Lows around 10 above.

    Hourly details
  • Day

    31°F

    Partly cloudy. Highs in the upper 20s.

    Night

    10°F

    Partly cloudy. Lows around 10 above.

    Hourly details
  • Day

    24°F

    Partly cloudy. Highs in the lower 30s.

    Night

    13°F

    Clear. Low temperature around 13F. Dew point will be around 10F with an average humidity of 76%. Winds will be 2 mph from the E.

  • Day

    29°F

    Sunny. High temperature around 29F. Dew point will be around 15F with an average humidity of 71%. Winds will be 1 mph from the E.

    Night

    21°F

    Clear. Low temperature around 21F. Dew point will be around 18F with an average humidity of 77%. Winds will be 2 mph from the E.

  • Day

    35°F

    Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 35F. Dew point will be around 22F with an average humidity of 74%. Winds will be 3 mph from the SE.

    Night

    31°F

    Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. Low temperature around 31F. Dew point will be around 26F with an average humidity of 77%. Winds will be 3 mph from the SE.