Recent National Weather Service guidance and ensemble model runs point to a temporary reduction in the typical marine layer over the San Francisco Bay Area on May 17, allowing greater solar heating and pushing the daily high into the upper 60s or low 70s at the official KSFO observation site. This aligns with the market’s heavy weighting toward 68 °F or higher, as persistent onshore flow has eased compared with earlier in the month. May climatology normally features frequent coastal stratus that caps daytime warming near the 63–66 °F range, yet current sea-surface temperature anomalies and a weakening pressure gradient favor modest inland warming. The next key update will come from the 12 UTC forecast discussion, which could refine the probability of breaching the 68 °F threshold before resolution.