• Today

    May 4

    66°Lo 44°

    Low clouds, then sun

    Fair for stargazing
    • Cloud
      Cover
      58%
    • Precip
      2%
    • Hours of Precip
      0
  • Tue

    May 5

    70°Lo 43°

    Clouds breaking for sun

    Fair for stargazing
    • Cloud
      Cover
      26%
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Wed

    May 6

    71°Lo 46°

    Sunny and pleasant

    Very Good for stargazing
    • Cloud
      Cover
      6%
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Thu

    May 7

    69°Lo 45°

    Sunny and pleasant

    Poor for stargazing
    • Cloud
      Cover
      67%
    • Precip
      50%
    • Hours of Precip
      0.5
    more
  • Fri

    May 8

    70°Lo 46°

    Mostly cloudy and cool

    Poor for stargazing
    • Cloud
      Cover
      67%
    • Precip
      5%
    • Hours of Precip
      0
    more
Next Previous
Mainly clear 55° Lo 48° RealFeel® 51° / 45°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 85%
  • Cloud Cover: 21%
  • Dew Point: 46° F
  • Visibility: 10 mi
8 mph

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 66° 74° 92° (1990) 70°
Low 44° 48° 34° (1975) 49°

Solunar Information for Napa, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:54 of sunlight, then sets at 8:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:49 PM with 10:34 of moolight, then sets at 7:23 AM

Mon, May 4
Full
Mon, May 11
Last
Mon, May 18
New
Mon, May 25
First

Napa Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 4, 2015; 7:42 AM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. 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