Southwest Houston Weather Forecast
- 80
- 93
Slight Chance Thunderstorms
- 79
- 93
Rain Showers Likely
- 77
- 91
Rain Showers
- 75
- 88
Rain Showers
- 75
- 85
Rain Showers Likely
- 72
- 85
Chance Rain Showers
- 71
- 85
Partly Sunny
Today 30 Sep Fort Bend
Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the lower 90s. Southeast Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.
Tonight 30 Sep Fort Bend
Partly cloudy. Humid with Lows in the upper 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.
Southwest Houston Temperature Statistics
September Temperature
Houston Southwest Airport (9.9 miles)
Lowest 26 September, 2026
66.2 °FAverage September
83 °FHighest 22 September, 2026
97.5 °F
Climate (2021–2026)
Houston Southwest Airport (9.9 miles)
Average Low 2021–2026
61.9 °FAverage 2021–2026
71.5 °FAverage High 2021–2026
81.9 °F