• Today

    Apr 20

    81°Lo 47°

    Pleasant and warmer

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      85°
    • UV
      7 - High
    • Cloud
      Cover
      24%
  • Mon

    Apr 21

    72°Lo 44°

    Partly sunny and not as warm

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      74°
    • UV
      6 - High
    • Cloud
      Cover
      69%
    more
  • Tue

    Apr 22

    66°Lo 42°

    Mostly cloudy with a shower

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      66°
    • UV
      6 - High
    • Cloud
      Cover
      76%
    more
  • Wed

    Apr 23

    72°Lo 48°

    Partly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      74°
    • UV
      7 - High
    • Cloud
      Cover
      27%
    more
  • Thu

    Apr 24

    75°Lo 48°

    Times of sun and clouds

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      74°
    • UV
      6 - High
    • Cloud
      Cover
      46%
    more
Next Previous
Hi 81° RealFeel® 85° Precipitation 2%

Day

N

E

S

W

  • SW 4 mph
  • Gusts: 7 mph

Partly sunny, pleasant and warmer

  • Max UV Index: 7 (High)
  • Thunderstorms: 2%
  • 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 4%

Night

N

E

S

W

  • SW 3 mph
  • Gusts: 5 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 81° 73° 91° (2009) 82°
Low 47° 42° 28° (2008) 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 13:25 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:35 AM with 10:20 of moolight, then sets at 10:55 AM

Top Story

Calistoga Weather Report

Chance of Rain in San Francisco on Tuesday

April 20, 2014; 4:09 AM ET

There hasn't been any measurable precipitation in San Francisco since April 4. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Sun. Sinus Headache

Sun. UV Index