10-Day Weather Forecast - Saint Johns, IL

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  • |43°F
    Mostly Cloudy
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    Tonight

    43°F

    Mostly cloudy. Lows in the upper 30s. Northeast winds 5 to 10 mph.

    Hourly details
  • Day

    56°F

    Partly sunny. Highs in the mid 50s. Northeast winds 5 to 10 mph.

    Night

    40°F

    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 30s. East winds 5 to 10 mph.

    Hourly details
  • Day

    72°F

    Mostly sunny. Not as cool with highs in the lower 70s. Southeast winds 5 to 10 mph.

    Night

    54°F

    Partly cloudy in the evening then clearing. Lows in the lower 50s. South winds 5 to 10 mph.

    Hourly details
  • Day

    74°F

    Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

    Night

    55°F

    Mostly clear. Highs in the mid 70s. Lows in the mid 50s.

    Hourly details
  • Day

    75°F

    Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

    Night

    59°F

    Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 30 percent.

    Hourly details
  • Weekend Weather

  • Day

    77°F

    Partly cloudy. Highs around 80. Lows in the upper 50s.

    Night

    61°F

    Partly cloudy. Highs around 80. Lows in the upper 50s.

    Hourly details
  • Day

    81°F

    Partly cloudy. Highs around 80. Lows in the upper 50s.

    Night

    66°F

    Mostly cloudy. A chance of showers. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 30 percent.

    Hourly details
  • Day

    82°F

    Mostly cloudy. A chance of showers. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 30 percent.

    Night

    65°F

    Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 60F with an average humidity of 71%. Winds will be 9 mph from the S.

  • Day

    77°F

    Cloudy with a 55% chance for rain and thunderstorms. High temperature around 77F. Dew point will be around 63F with an average humidity of 71%. Winds will be 12 mph from the SW.

    Night

    62°F

    Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 60F with an average humidity of 75%. Winds will be 5 mph from the SW.

  • Day

    76°F

    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 76F. Dew point will be around 59F with an average humidity of 68%. Winds will be 4 mph from the SW.

    Night

    56°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 56F. Dew point will be around 54F with an average humidity of 71%. Winds will be 2 mph from the N.