• Today

    Dec 18

    57°Lo 48°

    Mainly cloudy

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

    Dec 19

    58°Lo 44°

    Morning rain, then a shower

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

    Dec 20

    58°Lo 49°

    Mostly cloudy, afternoon rain

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

    Dec 21

    64°Lo 47°

    Areas of fog in the morning

    Low ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
  • Mon

    Dec 22

    66°Lo 45°

    Areas of fog in the morning

    Ragweed Pollen Weather
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      59%
    more
Next Previous
Hi 64° RealFeel® 64° Precipitation 10%

Day

N

E

S

W

  • NW 4 mph
  • Gusts: 6 mph

Areas of fog in the morning; otherwise, clouds breaking for some sun

  • Max UV Index: 2 (Low)
  • Thunderstorms: 0%
  • 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® 46° Precipitation 8%

Night

N

E

S

W

  • NNW 4 mph
  • Gusts: 5 mph

Partly cloudy; dense fog late

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

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 64° 58° 79° (1999) 66°
Low 47° 36° 17° (1990) 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:24 AM with 9:29 of sunlight, then sets at 4:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:46 AM with 10:18 of moolight, then sets at 5:04 PM

Calistoga Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 18, 2014; 3:34 PM ET

Conditions will turn dry for San Francisco this weekend and last into next week. more >

Sun. Dust & Dander

Sun. Wind Maps