Mont Belvieu Weather Forecast

    • 36
    • 56

    Sunny

    • 42
    • 65

    Mostly Sunny

    • 52
    • 63

    Mostly Cloudy

    • 53
    • 64

    Rain Showers

    • 49
    • 64

    Mostly Cloudy

    • 56
    • 67

    Mostly Cloudy

Today 18 Jan Chambers

Sunny. Highs in the mid 50s. Northwest Winds 5 to 10 Mph.

Tonight 18 Jan Chambers

Clear. Patchy frost after midnight. Lows in the upper 30s. Southwest Winds around 5 Mph.

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Mont Belvieu Temperature Statistics

January Temperature

Houston / Ellington (23.6 miles)

  • Lowest 11 January, 2026

    41 °F

  • Average January

    61.6 °F

  • Highest 2 January, 2026

    84.2 °F

Climate (2021–Present)

Houston / Ellington (23.6 miles)

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  • Average Low 2021–2026

    64 °F

  • Average 2021–2026

    71.7 °F

  • Average High 2021–2026

    80.1 °F
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