• Today

    Sep 16

    83°Lo 49°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      84°
    • UV
      6 - High
    • Cloud
      Cover
      18%
    more
  • Wed

    Sep 17

    80°Lo 46°

    Mostly sunny and seasonable

    Beneficial weather for migraines
    • Hi
      RealFeel
      82°
    • UV
      6 - High
    • Cloud
      Cover
      19%
  • Thu

    Sep 18

    72°Lo 45°

    Clouds and sun with a shower

    Beneficial weather for migraines
    • Hi
      RealFeel
      75°
    • UV
      5 - Moderate
    • Cloud
      Cover
      59%
    more
  • Fri

    Sep 19

    80°Lo 45°

    Mostly sunny and warmer

    Beneficial weather for migraines
    • Hi
      RealFeel
      87°
    • UV
      6 - High
    • Cloud
      Cover
      11%
    more
  • Sat

    Sep 20

    83°Lo 46°

    Plenty of sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      90°
    • UV
      6 - High
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 80° RealFeel® 82° Precipitation 14%

Day

N

E

S

W

  • S 7 mph
  • Gusts: 18 mph

Mostly sunny and seasonably warm

  • Max UV Index: 6 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 46° RealFeel® 45° Precipitation 24%

Night

N

E

S

W

  • S 3 mph
  • Gusts: 7 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 8%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 80° 76° 86° (1984) 62°
Low 46° 43° 34° (1965) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:22 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:50 AM with 14:30 of moolight, then sets at 3:20 PM

Top Story

Portola Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 16, 2014; 6:10 PM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. more >

Wed. Migraine Headache

Wed. UV Index