• Tue

    Sep 1

    77°Lo 54°

    Sunny; breezy in the p.m.

    Beneficial weather for migraines
    • Hi
      RealFeel
      78°
    • UV
      5 - High
    • Cloud
      Cover
      28%
    more
  • Wed

    Sep 2

    75°Lo 52°

    Some sun; breezy in the p.m.

    Beneficial weather for migraines
    • Hi
      RealFeel
      76°
    • UV
      5 - High
    • Cloud
      Cover
      6%
    more
  • Thu

    Sep 3

    76°Lo 52°

    Plenty of sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      76°
    • UV
      5 - High
    • Cloud
      Cover
      1%
    more
  • Fri

    Sep 4

    75°Lo 52°

    Sunny and warmer

    Beneficial weather for migraines
    • Hi
      RealFeel
      75°
    • UV
      5 - High
    • Cloud
      Cover
      0%
  • Sat

    Sep 5

    88°Lo 50°

    Plenty of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      88°
    • UV
      5 - High
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 75° RealFeel® 75° Precipitation 1%

Day

N

E

S

W

  • SW 12 mph
  • Gusts: 17 mph

Sunny and warmer

  • Max UV Index: 6 (High)
  • 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® 50° Precipitation 0%

Night

N

E

S

W

  • W 8 mph
  • Gusts: 14 mph

Clear

  • 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 - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 75° 84° 105° (1950) 81°
Low 52° 54° 42° (1932) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:54 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:57 PM with 14:25 of moolight, then sets at 2:22 PM

Napa Weather Report

San Francisco: Sunshine, Dry Conditions to Span the Weekend

August 28, 2015; 1:12 AM ET

Dry conditions are expected to continue across the area for the foreseeable future. more >