Belvidere Weather Forecast

    • 58
    • 88

    Severe Tstms

    • 50
    • 67

    Rain Showers

    • 49
    • 74

    Mostly Sunny

    • 50
    • 73

    Partly Sunny

    • 51
    • 71

    Slight Chance Rain Showers

    • 49
    • 79

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

Today 6 Sep Central Middlesex County

Partly sunny with scattered Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds, frequent Lightning, and heavy rainfall. Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 6 Sep Central Middlesex County

A chance of Showers and Thunderstorms this Evening, then Showers likely with isolated Thunderstorms after midnight. Lows in the upper 50s. West Winds 5 to 10 Mph with Gusts up to 25 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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Belvidere Temperature Statistics

September Temperature

Lawrence Municipal Airport (9.3 miles)

  • Lowest 1 September, 2025

    52 °F

  • Average September

    65.8 °F

  • Highest 3 September, 2025

    79 °F

Climate (2020–Present)

Lawrence Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    61.2 °F
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