Mont Belvieu Weather Forecast
- 71
- 85
Slight Chance Rain Showers
- 70
- 87
Partly Sunny
- 70
- 88
Partly Sunny
- 69
- 88
Partly Sunny
- 69
- 87
Slight Chance Rain Showers
- 69
- 86
Partly Sunny
Today 5 Oct Chambers
Partly sunny in the Morning, then becoming mostly cloudy. A 20 percent chance of Showers. Highs in the mid 80s. Northeast Winds 15 to 20 Mph.
Tonight 5 Oct Chambers
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 70s. Northeast Winds 10 to 15 Mph.
Mont Belvieu Temperature Statistics
October Temperature
Houston / Ellington (23.6 miles)
Lowest 2 October, 2026
73.4 °FAverage October
83.1 °FHighest 1 October, 2026
91.4 °F
Climate (2021–2026)
Houston / Ellington (23.6 miles)
Average Low 2021–2026
64.4 °FAverage 2021–2026
72.1 °FAverage High 2021–2026
80.5 °F