Grawunder Field Weather Forecast
- 75
- 95
Chance Thunderstorms
- 72
- 94
Rain Showers
- 71
- 88
Rain Showers
- 70
- 86
Rain Showers Likely
- 68
- 82
Rain Showers Likely
- 64
- 81
Chance Thunderstorms
Today 30 Sep Austin
Partly sunny with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the mid 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent. Heat index Values up to 105.
Tonight 30 Sep Austin
Partly cloudy. Lows in the mid 70s. Southeast Winds 10 to 15 Mph.
Grawunder Field Temperature Statistics
September Temperature
Brenham, Brenham Municipal Airport (20.5 miles)
Lowest 26 September, 2026
65.1 °FAverage September
83.4 °FHighest 2 September, 2026
100 °F
Climate (2021–2026)
Brenham, Brenham Municipal Airport (20.5 miles)
Average Low 2021–2026
61 °FAverage 2021–2026
70.8 °FAverage High 2021–2026
81.8 °F