Sweetwater Lake Weather Forecast
- 71
- 77
Mostly Cloudy
- 69
- 77
Mostly Cloudy
- 58
- 78
Thunderstorms Likely
- 59
- 69
Mostly Sunny
- 64
- 73
Mostly Sunny
- 67
- 76
Mostly Sunny
Today 9 Mar Galveston Island
Mostly cloudy. Areas of fog in the Morning, then patchy fog in the afternoon. Highs in the mid 70s. South Winds 10 to 15 Mph.
Tonight 9 Mar Galveston Island
Mostly cloudy. Patchy fog. Near steady temperature around 70. South Winds 10 to 15 Mph.
Sweetwater Lake Temperature Statistics
March Temperature
Galveston, Scholes Field (1.2 miles)
Lowest 1 March, 2026
63 °FAverage March
68.9 °FHighest 5 March, 2026
75.9 °F
Climate (2021–Present)
Galveston, Scholes Field (1.2 miles)
Average Low 2021–2026
68.5 °FAverage 2021–2026
73.7 °FAverage High 2021–2026
79.5 °F