Gulf of Mexico Weather Forecast
- 80
- 88
Increasing Clouds
- 80
- 88
Rain Showers Likely
- 78
- 87
Chance Thunderstorms
- 77
- 87
Mostly Sunny
- 77
- 87
Mostly Sunny
- 77
- 87
Chance Thunderstorms
Today 15 Sep Lower Jefferson
Mostly sunny. Highs in the lower 90s. Southeast Winds around 5 Mph. Heat index Values up to 105.
Tonight 15 Sep Lower Jefferson
Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Humid with Lows in the upper 70s. South Winds around 5 Mph, becoming northeast after midnight.
Gulf of Mexico Temperature Statistics
September Temperature
Beaumont/Port Arthur Southeast Texas Regional Airport (21.1 miles)
Lowest 7 September, 2026
74.6 °FAverage September
83.8 °FHighest 7 September, 2026
95.6 °F
Climate (2021–2026)
Beaumont/Port Arthur Southeast Texas Regional Airport (21.1 miles)
Average Low 2021–2026
62.5 °FAverage 2021–2026
71.3 °FAverage High 2021–2026
81.4 °F