East Reservoir Weather Forecast
- 80
- 92
Slight Chance Rain Showers
- 80
- 93
Thunderstorms Likely
- 79
- 91
Thunderstorms Likely
- 79
- 91
Mostly Sunny
- 79
- 90
Mostly Sunny
- 79
- 91
Chance Thunderstorms
- 78
- 91
Chance Thunderstorms
Today 15 Sep Coastal Matagorda
Sunny with a slight chance of Showers with isolated Thunderstorms. Near steady temperature in the lower 90s. South Winds around 10 Mph. Chance of rain 20 percent. Heat index Values up to 108.
Tonight 15 Sep Coastal Matagorda
Mostly clear in the Evening, then partly cloudy with a slight chance of Showers with isolated Thunderstorms after midnight. Humid with Lows around 80. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 105 early.
East Reservoir Temperature Statistics
September Temperature
Bay City, Bay City Municipal Airport (14.9 miles)
Lowest 5 September, 2026
74.5 °FAverage September
83.2 °FHighest 7 September, 2026
96.1 °F
Climate (2021–2026)
Bay City, Bay City Municipal Airport (14.9 miles)
Average Low 2021–2026
62.2 °FAverage 2021–2026
70.8 °FAverage High 2021–2026
80.5 °F