Princeton Weather Forecast

    • 53
    • 76

    Decreasing Clouds

    • 59
    • 78

    Partly Sunny

    • 62
    • 80

    Chance Thunderstorms

    • 58
    • 79

    Slight Chance Rain Showers

    • 62
    • 79

    Chance Rain Showers

    • 68
    • 82

    Chance Thunderstorms

Today 22 Jun Bureau

Partly sunny. Warmer with Highs in the mid 70s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 22 Jun Bureau

Mostly clear. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.

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Princeton Temperature Statistics

June Temperature

Illinois Valley Regional Airport (16.2 miles)

  • Lowest 3 June, 2026

    51.8 °F

  • Average June

    71.3 °F

  • Highest 6 June, 2026

    91.4 °F

Climate (2021–2026)

Illinois Valley Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.6 °F
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