WEATHER »
  • Frost Advisory for San Francisco County, California
  • Frost Advisory issued February 20 at 2:57AM PST until February 20 at 9:00AM PST by NWS
  • Effective: Tuesday, February 20, 2018 at 2:57 a.m.
  • Expires: Tuesday, February 20, 2018 at 9 a.m.
  • ...WIDESPREAD FREEZING TEMPERATURES EXPECTED ACROSS INLAND AREAS
    THIS MORNING...
    ...WIDESPREAD FROST LIKELY IN MANY COASTAL AREAS THIS MORNING...
    .Clear skies, diminishing winds and a very cold airmass mass will
    lead to widespread freezing temperatures across inland areas
    through this morning. In addition, frost is likely in coastal
    areas as temperatures drop to near freezing.
    ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...
    A Frost Advisory remains in effect until 9 AM PST this morning.
    * LOCATION...All coastal and bayside areas of the San Francisco
    Bay Area and Monterey Bay Area, except the city of San
    Francisco.
    * TEMPERATURES...Widespread overnight lows from 30 to 35.
    * TIMING...Several hours of temperatures near freezing from late
    Monday night through mid morning Tuesday.
    * IMPACTS...Frost can damage outdoor vegetation that is very
    sensitive to cold. Please check on the elderly and make sure
    animals have a warm shelter.

  • Frost Advisory for San Francisco County, California
  • Frost Advisory issued November 11 at 3:21AM PST until November 11 at 9:00AM PST by NWS
  • Effective: Wednesday, November 11, 2015 at 3:21 a.m.
  • Expires: Wednesday, November 11, 2015 at 9 a.m.
  • ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...
    * TEMPERATURE...WIDESPREAD LOWS IN THE 30S ARE FORECAST.
    * IMPACTS...THIS WILL BE THE COLDEST MORNING OF THE SEASON. ANY
    SENSITIVE PLANTS OR CROPS SHOULD BE PROTECTED.
    * NOTE...THE FROST ADVISORY IN THE SANTA CLARA VALLEY IS ONLY
    FOR LOCATIONS SOUTH OF THE CITY OF SAN JOSE.

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