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High pressure building into Northern California is bringing up north to northeast winds overnight into Sunday, prompting a red flag warning for the North Bay hills into Sunday.  Dry, breezy conditions will be common throughout most of our hillsides beyond the North Bay, with hot temps, low humidity levels keeping fire danger high through Tuesday.  Highs will climb into the 80s and 90s around San Francisco to inner bay with 90s and 100s likely inland.  If winds still strong enough during the day Sunday, high temps could be slightly lower than forecast.  Wind is expected to be lighter on Monday with a warmer start to the day making for the likely warmest day of this Fall heat spell.  By Tuesday coastal areas and the inner bay should benefit from a mid-afternoon return of the sea breeze leading to cooling conditions for the remainder of the week.  Next weekend could end up seeing below average temps, breezy conditions and a chance for some showers near the NorCal/Oregon border and Sierra for the first weekend of October.

Today's Forecast
Increased fire danger, hot temps and a Spare the Air day to end the weekend and another to start the work week. Read more »

Weather Interactive Radar and Maps

Weather Hourly

  • 1AM
    60°
    0%
  • 2AM
    58°
    0%
  • 3AM
    57°
    0%
  • 4AM
    56°
    0%
  • 5AM
    56°
    0%
  • 6AM
    56°
    0%
  • 7AM
    57°
    0%
  • 8AM
    59°
    0%
  • 9AM
    63°
    0%
  • 10AM
    67°
    0%
  • 11AM
    71°
    0%
  • 12PM
    74°
    0%
  • 1PM
    77°
    0%
  • 2PM
    80°
    0%
  • 3PM
    82°
    0%
  • 4PM
    80°
    0%
  • 5PM
    77°
    0%
  • 6PM
    75°
    0%
  • 7PM
    71°
    0%
  • 8PM
    70°
    0%
  • 9PM
    67°
    0%
  • 10PM
    65°
    0%
  • 11PM
    63°
    0%
  • 12AM
    62°
    0%
« »

Weather 7 Days

  • Today
    Clear
    76°
    54°
    0%
    DETAILS +

    Forecast

    Clear skies. Low 54F. Winds light and variable.

    UV 0
    Humidity 85
    Wind 3 NE

    DETAILS -

  • Sunday
    Sunny
    83°
    55°
    0%
    DETAILS +

    Forecast

    Mainly sunny. High 83F. ENE winds shifting to NNW at 10 to 20 mph.

    UV 6
    Humidity 49
    Wind 13 NNE

    DETAILS -

  • Monday
    Sunny
    83°
    54°
    0%
    DETAILS +

    Forecast

    Mainly sunny. Highs in the low 80s and lows in the mid 50s.

    UV 6
    Humidity 49
    Wind 12 NW

    DETAILS -

  • Tuesday
    Sunny
    70°
    52°
    0%
    DETAILS +

    Forecast

    Sunshine. Highs in the low 70s and lows in the low 50s.

    UV 6
    Humidity 71
    Wind 12 NW

    DETAILS -

  • Wednesday
    Mostly Sunny
    65°
    52°
    10%
    DETAILS +

    Forecast

    More sun than clouds. Highs in the mid 60s and lows in the low 50s.

    UV 6
    Humidity 81
    Wind 12 NW

    DETAILS -

  • Thursday
    63°
    51°
    AM Clouds PM Sun
  • Friday
    66°
    52°
    Sunny

Historical Data

  • Avg. High
  • Avg. Low
  • Mean
  • Record
    High
  • Record
    Low
  • Rec.
    High Date
  • Rec.
    Low Date
  • 70°
  • 55°
  • 63°
  • 93°
  • 50°
  • 09-25-1954
  • 09-25-2006

1 Day Pollen Forecast

  • Tree: Moderate

  • Grass: None

  • Weed: None

  • Mold: Low

2 - Day Wave Forecast

Buoy

Name Lat, Long Dist Report Time Air Temp Water Temp Pres PTDY Wind Speed Wind Gust Wind Dir Wave Height Wave Period
Buoy ftpc1 37.81, -122.47 11.25 092507 57.20 59 1018.0 +0.0 5.4 5.4 190 * *
Buoy omhc1 37.8, -122.33 16.73 092507 * * 7.6 9.4 40 * *
Buoy aamc1 37.77, -122.3 21.62 092507 64.58 67.46 1017.9 +0.0 3.6 5.4 30 * *
Buoy tibc1 37.89, -122.45 25.49 092506 63.14 64.22 1018.0 * * * 240 * *
Buoy 46237 37.78, -122.6 32.25 092506 57.38 * * * * * 1.6 17
.00
.00
.00
.00
.00
.00
Pres (Pressure and PTDY (Pressure Tendency) in inches

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