San Francisco, CA – A frost advisory is now in effect across inland portions of the Bay Area and Central Coast through 9 a.m. Friday morning, with temperatures plunging to the low-to-mid 30s. Drivers on Highway 101 and local roads should prepare for reduced visibility and slippery conditions due to frost and patchy fog.
According to the National Weather Service (NWS), the cold snap poses risks for unsheltered populations, unprotected plants, and pets left outdoors overnight. Officials urge residents to take precautions, including covering exposed plants and ensuring pets are brought inside. Temperatures are expected to climb later in the week, but the chill lingers into the weekend.
Detailed Forecast
• Friday: Mostly sunny skies with a high of 57°F. Winds will become light by afternoon, though patchy fog may develop early.
• Friday Night: Patchy fog likely before 9 a.m. on Saturday, with lows dipping near 45°F.
• Saturday: Clear skies dominate, warming slightly to a high of 58°F. Calm winds offer relief from the cold mornings.
• Sunday: Mostly sunny and pleasant, with highs around 57°F. Overnight lows remain cool at 44°F.
• MLK Day (Monday): Sunny and clear, reaching a high of 59°F, a perfect day for outdoor events.
Cold weather precautions are essential as freezing temperatures continue into the morning hours. Travelers should allow extra time during commutes and keep an eye on local advisories for updates on potential fog-related delays.
Stay informed with updates and prepare for the return of warmer afternoons by the start of next week.
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