• Today

    Aug 31

    84°Lo 55°

    Areas of low clouds, then sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      83°
    • UV
      5 - High
    • Cloud
      Cover
      37%
  • Tue

    Sep 1

    78°Lo 56°

    Areas of low clouds, then sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      78°
    • UV
      5 - High
    • Cloud
      Cover
      43%
    more
  • Wed

    Sep 2

    77°Lo 51°

    Areas of low clouds, then sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      77°
    • UV
      5 - High
    • Cloud
      Cover
      46%
    more
  • Thu

    Sep 3

    78°Lo 50°

    Areas of low clouds, then sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      77°
    • UV
      5 - High
    • Cloud
      Cover
      45%
    more
  • Fri

    Sep 4

    81°Lo 50°

    Areas of low clouds, then sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      80°
    • UV
      5 - High
    • Cloud
      Cover
      43%
    more
Next Previous
Hi 84° RealFeel® 83° Precipitation 1%

Day

N

E

S

W

  • SW 10 mph
  • Gusts: 20 mph

Areas of low clouds early; otherwise, mostly sunny and nice

  • Max UV Index: 6 (High)
  • 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 55° RealFeel® 54° Precipitation 2%

Night

N

E

S

W

  • WSW 7 mph
  • Gusts: 12 mph

Mainly clear early, then areas of low clouds forming

  • 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 - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 84° 84° 102° (1955) 89°
Low 55° 55° 42° (1939) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:04 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:04 PM with 12:59 of moolight, then sets at 10:03 AM

Napa Weather Report

San Francisco: Dry, Pleasant Conditions to Span Week

August 31, 2015; 3:10 AM ET

The San Francisco area will have dry and seasonable conditions throughout the week. more >

Mon. Migraine Headache

Mon. UV Index