Princeton Weather Forecast

    • 67
    • 82

    Isolated Thunderstorms

    • 64
    • 79

    Thunderstorms Likely

    • 55
    • 77

    Chance Rain Showers

    • 54
    • 77

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 64
    • 78

    Chance Thunderstorms

Today 19 Aug Bureau

Mostly cloudy until early Morning, then isolated Showers and Thunderstorms late in the night. Low in the upper 60s. East wind 5 to 10 Mph. Chance of rain 20 percent.

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Princeton Temperature Statistics

August Temperature

Illinois Valley Regional Airport (16.2 miles)

  • Lowest 3 August, 2018

    59.9 °F
  • Average August

    77.1 °F
  • Highest 9 August, 2018

    93 °F

Climate (2010–Present)

Illinois Valley Regional Airport (16.2 miles)

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  • Average Low 2010–Present

    42.5 °F
  • Average 2010–Present

    52 °F
  • Average High 2010–Present

    60.8 °F
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