10-Day Weather Forecast - Frederick, IL

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  • |21°F
    Mostly Cloudy
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    Tonight

    21°F

    Mostly clear late this evening then becoming mostly cloudy. Near steady temperature around 18. South winds 5 to 10 mph.

    Hourly details
  • Day

    52°F

    Mostly cloudy. Not as cool with highs in the lower 50s. South winds 15 to 20 mph with gusts up to 35 mph.

    Night

    30°F

    Mostly cloudy. Not as cool with lows in the upper 20s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

    Hourly details
  • Day

    46°F

    Mostly sunny. Highs in the mid 40s. Northwest winds 5 to 10 mph.

    Night

    30°F

    Rain and snow likely. Light snow accumulation possible. Lows in the upper 20s. Northeast winds 5 to 10 mph. Chance of precipitation 70 percent.

    Hourly details
  • Day

    45°F

    Mostly sunny. Highs in the mid 40s.

    Night

    29°F

    Mostly clear. Lows in the upper 20s. Highs in the lower 60s.

    Hourly details
  • Day

    62°F

    Mostly clear. Lows in the upper 20s. Highs in the lower 60s.

    Night

    36°F

    Mostly clear. Lows in the mid 30s. Highs in the mid 50s.

    Hourly details
  • Weekend Weather

  • Day

    57°F

    Mostly clear. Lows in the mid 30s. Highs in the mid 50s.

    Night

    24°F

    Mostly cloudy. Cooler with lows in the mid 20s.

    Hourly details
  • Day

    37°F

    Partly sunny in the morning then mostly cloudy with a chance of rain and snow in the afternoon. Much cooler with highs around 40. Chance of precipitation 40 percent.

    Night

    27°F

    Mostly cloudy with a chance of rain and snow. Lows in the mid 20s. Chance of precipitation 50 percent.

    Hourly details
  • Day

    37°F

    Mostly cloudy with a chance of rain and snow in the morning then partly sunny in the afternoon. Highs in the upper 30s. Chance of precipitation 30 percent.

    Night

    27°F

    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 27F. Dew point will be around 27F with an average humidity of 91%. Winds will be 3 mph from the NE.

  • Day

    42°F

    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 42F. Dew point will be around 33F with an average humidity of 85%. Winds will be 1 mph from the NW.

    Night

    27°F

    Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 27F. Dew point will be around 28F with an average humidity of 86%. Winds will be 3 mph from the N.

  • Day

    42°F

    Mostly sunny. High temperature around 42F. Dew point will be around 29F with an average humidity of 74%. Winds will be 3 mph from the NE.

    Night

    30°F

    Mostly clear. Low temperature around 30F. Dew point will be around 27F with an average humidity of 77%. Winds will be 3 mph from the SE.