• Today

    Mar 27

    72°Lo 45°

    Plenty of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      73°
    more
  • Sat

    Mar 28

    76°Lo 43°

    Partly sunny and pleasant

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      14%
    • Hi
      RealFeel
      78°
  • Sun

    Mar 29

    78°Lo 46°

    Partly sunny and pleasant

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      80°
    more
  • Mon

    Mar 30

    77°Lo 45°

    Mostly sunny and delightful

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      77°
    more
  • Tue

    Mar 31

    76°Lo 45°

    Sunny and delightful

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      76°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Temp (°F) 53° 52° 50° 50° 48° 48° 45° 49°
RealFeel® 49° 49° 47° 47° 45° 46° 43° 50°
Humidity 85% 83% 84% 83% 87% 86% 100% 91%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
0%
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 8 W 8 W 7 W 7 WNW 7 NW 6 NW 5 NNW 5 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 25% 25% 25% 25% 25% 25% 25% 73%
Dew Point 48° 47° 46° 45° 44° 44° 45° 47°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Mar 28

more Historical Weather Data >
  Today Normal Record 3/28/2014
High 76° 68° 83° (1969) 68°
Low 43° 44° 34° (1985) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:00 AM with 12:29 of sunlight, then sets at 7:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:39 PM with 14:06 of moolight, then sets at 3:45 AM

Napa Weather Report

San Francisco: Warmth to Hold into New Week

March 27, 2015; 6:05 AM ET

Warm weather and sunshine will continue to hold into the new week across the Bay Area. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Sat. Overnight Freeze

Sat. Degree Days

Sat. Evapotranspiration