• Sun

    Aug 31

    79°Lo 54°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      7 mph
    more
  • Mon

    Sep 1

    80°Lo 55°

    Plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      7 mph
    more
  • Tue

    Sep 2

    79°Lo 54°

    Plenty of sun

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      7 mph
  • Wed

    Sep 3

    79°Lo 56°

    Sunny

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      5 mph
    more
  • Thu

    Sep 4

    86°Lo 54°

    Sunshine

    Poor for home energy
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 79° RealFeel® 78° Precipitation 0%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 14 mph

Plenty of sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 54° RealFeel® 53° Precipitation 0%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 11 mph

Clear

  • 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 - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2013
High 79° 86° N/A 74°
Low 54° 52° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:59 of sunlight, then sets at 7:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:23 PM with 10:18 of moolight, then sets at 12:41 AM

Top Story

Napa Weather Report

PHOTOS: Magnitude 6.0 Earthquake Strikes Near San Francisco

August 27, 2014; 12:39 AM ET

More than 200 people were injured, including three critically, after a 6.0-magnitude earthquake rocked the San Francisco Bay area on Sunday morning. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.