10-Day Weather Forecast - Harrisburg, IL

As of

-
  • |78°F
    Clear

    Tonight

    78°F

    Clear. Lows in the mid 70s. Calm winds.

    Hourly details
  • 98|77°F
    Hot and Humid

    Day

    98°F

    Sunny, hot with highs in the upper 90s. Calm winds, becoming southwest around 5 mph in the afternoon.

    Night

    77°F

    Mostly clear. Lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable.

    Hourly details
  • 98|74°F
    30% Chance of Rain

    Day

    98°F

    Sunny, hot with highs in the upper 90s. West winds around 5 mph.

    Night

    74°F

    Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable.

    Hourly details
  • 93|67°F
    Mostly Sunny

    Day

    93°F

    Mostly clear. Highs in the mid 90s.

    Night

    67°F

    Mostly clear. Lows in the upper 60s.

    Hourly details
  • 89|65°F
    Mostly Sunny

    Day

    89°F

    Mostly clear. Highs in the mid 90s.

    Night

    65°F

    Mostly clear. Lows in the upper 60s.

    Hourly details
  • 93|72°F
    Mostly Sunny

    Day

    93°F

    Mostly clear. Highs in the mid 90s.

    Night

    72°F

    Mostly clear. Hot. Lows in the mid 70s.

    Hourly details
  • 95|76°F
    Mostly Sunny

    Day

    95°F

    Mostly clear. Hot. Highs in the upper 90s.

    Night

    76°F

    Mostly clear. Hot. Lows in the mid 70s.

    Hourly details
  • 94|73°F
    Mostly Sunny

    Day

    94°F

    Mostly sunny. Highs in the mid 90s.

    Night

    73°F

    Clear with a 35% chance for rain and thunderstorms. Low temperature around 73F. Dew point will be around 70F with an average humidity of 77%. Winds will be 4 mph from the SW.

  • 90|69°F
    Sunny

    Day

    90°F

    Sunny. High temperature around 90F. Dew point will be around 69F with an average humidity of 62%. Winds will be 4 mph from the SW.

    Night

    69°F

    Clear. Low temperature around 69F. Dew point will be around 69F with an average humidity of 82%. Winds will be 1 mph from the SW.

  • 88|67°F
    Sunny

    Day

    88°F

    Sunny. High temperature around 88F. Dew point will be around 68F with an average humidity of 66%. Winds will be 2 mph from the SW.

    Night

    67°F

    Clear. Low temperature around 67F. Dew point will be around 67F with an average humidity of 80%. Winds will be 1 mph from the SE.