Weir Weather Forecast
- 76
- 99
Hot
- 75
- 100
Hot
- 75
- 99
Hot
- 73
- 97
Slight Chance Thunderstorms
- 72
- 97
Hot
- 73
- 97
Hot
Today 14 Sep Williamson
Mostly sunny. Highs in the upper 90s. South Winds 10 to 15 Mph. Highest heat index Readings up to 108.
Tonight 14 Sep Williamson
Mostly clear. Lows in the mid 70s. South Winds 10 to 15 Mph.
Weir Temperature Statistics
September Temperature
Georgetown, Georgetown Municipal Airport (5.6 miles)
Lowest 1 September, 2026
75.9 °FAverage September
87.2 °FHighest 2 September, 2026
102 °F
Climate (2021–2026)
Georgetown, Georgetown Municipal Airport (5.6 miles)
Average Low 2021–2026
59.7 °FAverage 2021–2026
70.1 °FAverage High 2021–2026
81 °F