Persistent high pressure and a strong upper-level ridge have sustained elevated overnight lows in the mid-to-upper 70s across central Texas through late August, consistent with climatological norms for Austin where average August minima hover near 74–75°F. Recent National Weather Service model runs indicate mostly clear skies and light southerly winds tonight into August 25, limiting radiative cooling and supporting minimum temperatures in the 76–79°F range, though any increase in Gulf moisture or scattered convection from a possible tropical influence could enhance cloud cover and nudge readings slightly lower. Trader sentiment reflects this narrow forecast spread alongside historical variability, with the 69°F-or-below outcome priced at 35% capturing tail-risk scenarios from stronger boundary-layer mixing or model shifts, while the 88°F-or-higher bin at 29.5% accounts for continued heat retention under the ridge. Updated NHC and NOAA guidance ahead of the 25th will clarify steering patterns and dewpoint trends that most directly influence the daily minimum.