**Official forecasts from the Met Office and supporting models indicate a peak of around 22°C for London on August 24, 2026, under partly cloudy skies with sunny intervals and an easterly breeze.** This aligns with the market-implied probabilities, where 22°C leads at 48.5% and 21°C follows closely at 37.5%, reflecting trader consensus on moderate late-summer conditions rather than extremes. Primary scientific drivers include a settled high-pressure pattern limiting convective heating, combined with moderate winds (gusts to 30+ mph) and dew points in the low-to-mid teens Celsius that moderate surface warming. Recent observational data show overnight lows near 14–15°C rising steadily through the morning, with afternoon readings expected to top out near 22°C before cooling. Earlier in August, London saw warmer anomalies with peaks above 30°C, but the current setup—easterly flow and increasing cloud cover—has suppressed further intensification, consistent with climatological norms for the date. Minor model variations in exact timing or localized urban heat effects explain the tight spread between 21–23°C outcomes, while probabilities drop sharply beyond that range given the absence of strong insolation or southerly advection. Updated Met Office guidance and real-time station reports will refine the final recorded high before market resolution.