Mont Belvieu Weather Forecast

    • 64
    • 77

    Dense Fog

    • 63
    • 76

    Dense Fog

    • 63
    • 75

    Fog

    • 63
    • 78

    Areas Fog

    • 63
    • 77

    Patchy Fog

    • 46
    • 77

    Slight Chance Rain Showers

    • 36
    • 55

    Partly Sunny

Today 23 Dec Chambers

Mostly sunny. Patchy fog. Near steady temperature in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 23 Dec Chambers

Mostly cloudy. Patchy fog this Evening, then Areas of fog after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mont Belvieu Temperature Statistics

December Temperature

Houston / Ellington (23.6 miles)

  • Lowest 15 December, 2025

    32 °F

  • Average December

    56.6 °F

  • Highest 21 December, 2025

    82.4 °F

Climate (2020–Present)

Houston / Ellington (23.6 miles)

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  • Average Low 2020–2025

    63.8 °F

  • Average 2020–2025

    71.5 °F

  • Average High 2020–2025

    79.9 °F
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