• Early AM

    Dec 18

    Lo 51°

    A brief shower or two

    Migraine Headache Weather
    • Hi
      RealFeel
      53°
    • UV
      1 - Low
    • Cloud
      Cover
      95%
    more
  • Today

    Dec 18

    59°Lo 52°

    Mostly cloudy and cool

    Beneficial weather for migraines
    • Hi
      RealFeel
      59°
    • UV
      2 - Low
    • Cloud
      Cover
      84%
  • Fri

    Dec 19

    60°Lo 50°

    Mostly cloudy, a little rain

    Beneficial weather for migraines
    • Hi
      RealFeel
      57°
    • UV
      1 - Low
    • Cloud
      Cover
      90%
    more
  • Sat

    Dec 20

    59°Lo 51°

    Partly sunny and cool

    Beneficial weather for migraines
    • Hi
      RealFeel
      59°
    • UV
      2 - Low
    • Cloud
      Cover
      46%
    more
  • Sun

    Dec 21

    62°Lo 52°

    Periods of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      62°
    • UV
      2 - Low
    • Cloud
      Cover
      67%
    more
Next Previous
Hi 59° RealFeel® 59° Precipitation 11%

Day

N

E

S

W

  • WSW 7 mph
  • Gusts: 8 mph

Mostly cloudy and cool

  • 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 52° RealFeel® 47° Precipitation 55%

Night

N

E

S

W

  • ESE 9 mph
  • Gusts: 15 mph

Mostly cloudy with a little rain toward dawn

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 59° 59° N/A 54°
Low 52° 42° N/A 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:19 AM with 9:35 of sunlight, then sets at 4:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:41 AM with 10:53 of moolight, then sets at 2:34 PM

Half Moon Bay Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 17, 2014; 8:49 PM ET

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

Thu. Migraine Headache

Thu. UV Index