San Francisco, CA – The Bay Area is set for another round of unusual September weather, with lingering humidity, scattered showers, and fluctuating temperatures creating a roller coaster pattern through the weekend, according to the National Weather Service (NWS).
Record Rainfall Reported in San Jose
Wednesday’s weather brought scattered showers across the Bay Area, breaking records in some communities.
- San Jose recorded 0.41 inches of rain over six hours, setting a daily rainfall record.
- Showers also dampened parts of San Francisco, Oakland, and the North Bay, surprising residents who are accustomed to dry September conditions.
Thursday: More Showers, High Humidity
- Rain showers are expected to return Thursday, with activity concentrated in the North Bay.
- Unlike Wednesday, the risk of thunderstorms appears lower, but forecasters caution that light rain could linger into the afternoon.
- Humidity levels remain stubbornly high in San Francisco and Oakland, making conditions feel muggy. These levels are expected to ease back toward seasonal norms by Friday.
Weekend Outlook: Temperature Swings
According to Dial Hong, a National Weather Service meteorologist, residents should prepare for significant temperature changes as the weekend approaches.
- Friday: As showers move out, temperatures will begin to climb. Inland valleys could reach the upper 70s to mid-80s, while downtown San Francisco and Oakland will sit in the low to mid-70s.
- Saturday: Warm and pleasant, with sunshine returning to much of the Bay Area.
- Sunday: A new cold front may trigger a slight dip in temperatures and bring the possibility of fresh rainfall in the North Bay.
Hong emphasized that the chance of more rain on Sunday remains uncertain, but residents should keep an eye on forecasts for updates.
Marine Forecast
For those headed out on the water, moderate to rough seas are expected to develop by Friday and could continue into next week, impacting boating and coastal activities.
What This Means for Residents
The Bay Area’s weather will be anything but typical for September. From record-setting rainfall to temperature swings, the coming days highlight the unpredictability of this year’s early fall season.
Do you prefer cooler, rainy days or the warm, sunny stretches in the Bay Area? Share your thoughts in the comments below.
