Current forecasts from meteorological models indicate typical early July conditions for London, with overnight radiative cooling under variable high pressure likely producing minimum temperatures clustered around 15–17°C. Trader sentiment reflects this narrow range, as ensemble predictions show modest uncertainty driven by differences in expected cloud cover, boundary-layer winds, and residual moisture from Atlantic flow—factors that can shift the exact low by 1–2°C. The urban heat island effect and July climatology (historical nighttime averages near 14–16°C) further anchor expectations, while the absence of strong cold-air advection or widespread clear-sky radiative extremes keeps probabilities for sub-14°C or 19°C+ outcomes lower. Updated model runs ahead of July 4 will refine these thresholds.