Trader consensus on Polymarket reflects National Weather Service guidance showing Austin's April 18 high temperature clustering in the 72-79°F range, driven by a strong cold front sweeping through Central Texas on April 15, which ushered in cooler mid-level air masses, increased cloud cover, and scattered showers lingering into the weekend. This post-frontal cooling suppresses highs below the mid-April climatological normal of around 80°F at Austin-Bergstrom International Airport, with forecast models like GFS indicating variable clearing—partial sunshine potentially pushing toward 78-79°F, while persistent stratus decks favor 72-75°F. Key differentiators include wind shear timing and boundary layer mixing; northerly remnants cap warming, while diurnal heating could differentiate upper vs. lower bins. Expect refined probabilities from NWS updates over the next 24 hours ahead of resolution.