Princeton Weather Forecast

    • 63
    • 83

    Slight Chance Thunderstorms

    • 65
    • 82

    Chance Thunderstorms

    • 67
    • 85

    Thunderstorms Likely

    • 67
    • 78

    Thunderstorms Likely

    • 62
    • 77

    Slight Chance Thunderstorms

    • 56
    • 75

    Chance Thunderstorms

    • 59
    • 74

    Chance Thunderstorms

Today 19 Sep Bureau

Partly sunny with a 40 percent chance of Showers and Thunderstorms. High in the lower 80s. Southeast wind 5 to 10 Mph.

Tonight 19 Sep Bureau

Mostly cloudy. Low in the mid 60s. Southeast wind 5 to 10 Mph.

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Princeton Temperature Statistics

September Temperature

Illinois Valley Regional Airport (16.2 miles)

  • Lowest 5 September, 2019

    52 °F
  • Average September

    68.9 °F
  • Highest 12 September, 2019

    88.9 °F

Climate (2010–Present)

Illinois Valley Regional Airport (16.2 miles)

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  • Average Low 2010–Present

    43.4 °F
  • Average 2010–Present

    52.6 °F
  • Average High 2010–Present

    61.4 °F
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