• Tonight

    Sep 1

    Lo 56°

    Clear

    Stargazing Weather
    • Cloud
      Cover
      6%
    • Precip
      1%
    • Hours of Precip
      0
  • Tue

    Sep 2

    76°Lo 56°

    Low clouds, then sunshine

    Excellent for stargazing
    • Cloud
      Cover
      11%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Wed

    Sep 3

    78°Lo 53°

    Low clouds followed by sun

    Excellent for stargazing
    • Cloud
      Cover
      12%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Thu

    Sep 4

    78°Lo 53°

    Partly sunny and cool

    Excellent for stargazing
    • Cloud
      Cover
      20%
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Fri

    Sep 5

    79°Lo 53°

    Mostly sunny and cool

    Excellent for stargazing
    • Cloud
      Cover
      2%
    • Precip
      2%
    • Hours of Precip
      0
    more
Next Previous
Hi 91° RealFeel® 91° Precipitation 1%

Day

N

E

S

W

  • SSW 6 mph
  • Gusts: 13 mph

Plenty of sunshine

  • 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 56° RealFeel® 54° Precipitation 1%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 7 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 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 91° 86° N/A 75°
Low 56° 52° N/A 55°

Solunar Information for Napa, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 13:01 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:24 PM with 10:25 of moolight, then sets at 11:49 PM

Tue, Sep 2
First
Tue, Sep 9
Full
Tue, Sep 16
Last
Wed, Sep 24
New
Top Story

Napa Weather Report

San Francisco: Bright, Sunny for First Week of September

September 1, 2014; 9:25 AM ET

San Francisco will see abundant sunshine through at least Thursday. more >

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Mon. Stargazing