Persistent marine layer stratus and onshore westerly flow are anchoring San Francisco’s July 8 high near the seasonal median of 65–67 °F, with National Weather Service guidance and ensemble runs favoring 66–69 °F. Modest ridging over the interior Southwest is allowing slight daytime warming, yet the coastal marine inversion and afternoon sea breeze continue to cap temperatures below 70 °F. Model spread remains modest—most solutions cluster within two degrees—leaving the 66–67 °F and 68–69 °F brackets as the dominant market-implied outcomes while lower and higher tails reflect residual forecast uncertainty ahead of final afternoon updates.