**Official forecasts from the Met Office project a maximum of 24°C for London on August 23, 2026, under dry, settled conditions with sunny intervals, light variable winds, and high pressure near 1025 hPa.** This setup supports moderate daytime warming from morning lows around 14–15°C, consistent with current observations reaching 22–23°C by early afternoon at stations like Heathrow. Late August climatology typically features average highs near 21°C; the slight elevation above this baseline stems from clear skies minimizing cloud cover and allowing solar heating without significant advection of cooler maritime air. Light winds (under 10 mph) further aid localized warming by limiting mixing. Market-implied odds heavily favor 24°C (73.5%) because multiple model runs and agency guidance converge on this threshold as the most likely peak, with resolution depending on official recorded maxima. The 23°C outcome (14.5%) remains plausible if afternoon temperatures plateau below forecast due to minor timing shifts or localized effects, while 25°C (8.5%) would require stronger insolation or reduced wind than currently indicated. No major heatwave or anomalous patterns have altered the outlook in recent days.