• Wed

    Feb 17

    64°Lo 47°

    Cloudy, rain possible; cooler

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Thu

    Feb 18

    61°Lo 46°

    Mostly cloudy, rain possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Feb 19

    63°Lo 46°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Feb 20

    69°Lo 48°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Feb 21

    68°Lo 50°

    Periods of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 64° RealFeel® 65° Precipitation 35%

Day

N

E

S

W

  • SSW 5 mph
  • Gusts: 9 mph

Cloudy and cooler with a chance of rain

  • Max UV Index: 2 (Low)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 47° RealFeel® 36° Precipitation 80%

Night

N

E

S

W

  • W 10 mph
  • Gusts: 16 mph

Rain

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0.59 in
  • Rain: 0.59 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 9 hrs
  • Hours of Rain: 9 hrs

Temperature History - Feb 17

more Historical Weather Data >
  Today Normal Record 2/17/2015
High 64° 63° 85° (1948) 61°
Low 47° 42° 24° (1949) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:57 AM with 10:52 of sunlight, then sets at 5:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:25 PM with 14:30 of moolight, then sets at 3:55 AM

Napa Weather Report

San Francisco: Record-challenging warmth to return early next week

February 12, 2016; 4:29 AM ET

Dry and unseasonably warm conditions will continue in San Francisco next week with another shot of record-breaking warmth. more >