Bellaire Weather Forecast

    • 66
    • 86

    Slight Chance Thunderstorms

    • 58
    • 81

    Partly Sunny

    • 56
    • 79

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 61
    • 83

    Partly Sunny

    • 69
    • 87

    Slight Chance Thunderstorms

Today 4 Sep Lancaster

Mostly sunny. Very warm with Highs in the mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 4 Sep Lancaster

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the mid 60s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Bellaire Temperature Statistics

September Temperature

Harrisburg, Harrisburg International Airport (9.3 miles)

  • Lowest 2 September, 2026

    71.1 °F

  • Average September

    77.9 °F

  • Highest 1 September, 2026

    92.6 °F

Climate (2021–2026)

Harrisburg, Harrisburg International Airport (9.3 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    65.1 °F
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