• Tonight

    Feb 27

    Lo 40°

    Mostly cloudy, showers around

    Stargazing Weather
    • Cloud
      Cover
      72%
    • Precip
      62%
    • Hours of Precip
      2
    more
  • Sat

    Feb 28

    60°Lo 38°

    Mostly cloudy with a t-storm

    Good for stargazing
    • Cloud
      Cover
      27%
    • Precip
      55%
    • Hours of Precip
      1.5
  • Sun

    Mar 1

    63°Lo 37°

    Partly sunny

    Good for stargazing
    • Cloud
      Cover
      11%
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Mon

    Mar 2

    60°Lo 37°

    A brief shower or two

    Good for stargazing
    • Cloud
      Cover
      18%
    • Precip
      7%
    • Hours of Precip
      1.5
    more
  • Tue

    Mar 3

    62°Lo 37°

    Mostly sunny

    Fair for stargazing
    • Cloud
      Cover
      46%
    • Precip
      2%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Cloudy
Mostly Cloudy
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 40° 44° 49° 52° 54° 56° 57° 60°
RealFeel® 40° 46° 49° 58° 60° 61° 61° 63°
Humidity 100% 96% 84% 79% 75% 69% 64% 57%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
49%
 
47%
 
51%
 
38%
 
32%
 
36%
 
43%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 4 N 4 N 5 NE 4 ENE 5 NE 5 SSW 6 S 6 SSE
UV Index 0 1 1 2 3 3 3 2
Cloud Cover 90% 80% 70% 70% 70% 70% 70% 70%
Dew Point 40° 43° 44° 46° 47° 46° 45° 44°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Feb 28

more Historical Weather Data >
  Today Normal Record 2/28/2014
High 60° 65° 81° (1929) 62°
Low 38° 43° 28° (1917) 53°

Solunar Information for Napa, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:43 AM with 11:18 of sunlight, then sets at 6:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:50 PM with 14:17 of moolight, then sets at 4:07 AM

Thu, Mar 5
Full
Fri, Mar 13
Last
Fri, Mar 20
New
Fri, Mar 27
First

Napa Weather Report

Western Storm to Deliver Fraction of Much-Needed Rain, Snow

February 27, 2015; 8:53 PM ET

A slow-moving storm will continue to affect the West this weekend and into the first part of next week with rounds of precipitation for some needy areas as well as trouble for travelers. 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.

Sat. Stargazing