Jeddah's June climatology, shaped by persistent subtropical high pressure over the Arabian Peninsula and Red Sea moderation, produces typical daily maxima of 36–38 °C, with the long-term June average high near 37 °C according to regional observations. Current model guidance and real-time surface analyses for 14 June 2026 align closely with this baseline, showing a peak near 36–37 °C under mostly clear skies, light northwesterly flow, and negligible precipitation. Traders have therefore placed overwhelming weight (98.5 %) on the 37 °C outcome. Only a significant, late-day shift in steering flow, unexpected marine layer thickening, or model bias of several degrees could realistically push the official maximum outside the narrow 36–38 °C envelope.