Lavaca Weather Forecast
- 73
- 93
Mostly Cloudy
- 69
- 83
Rain Showers
- 65
- 80
Rain Showers
- 61
- 79
Chance Rain Showers
- 58
- 83
Mostly Sunny
- 53
- 80
Mostly Sunny
Today 30 Sep North and Central Sebastian
Partly sunny. Highs in the lower 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 30 Sep North and Central Sebastian
Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Lavaca Temperature Statistics
September Temperature
Fort Smith Regional Airport (10.6 miles)
Lowest 25 September, 2026
60.7 °FAverage September
87.1 °FHighest 4 September, 2026
106.6 °F
Climate (2021–2026)
Fort Smith Regional Airport (10.6 miles)
Average Low 2021–2026
54.5 °FAverage 2021–2026
65.1 °FAverage High 2021–2026
76.6 °F