• Tonight

    Jul 6

    Lo 55°

    Increasing cloudiness

    Beach & Pool Weather
    • UV
      8 - Very High
    • Cloud
      Cover
      30%
    • Precip
      2%
  • Tue

    Jul 7

    74°Lo 55°

    Low clouds, then sunshine

    Poor at the beach or pool
    • UV
      8 - Very High
    • Cloud
      Cover
      53%
    • Precip
      4%
    more
  • Wed

    Jul 8

    71°Lo 55°

    A thunderstorm in spots

    Poor at the beach or pool
    • UV
      7 - High
    • Cloud
      Cover
      62%
    • Precip
      40%
    more
  • Thu

    Jul 9

    64°Lo 54°

    Some sun

    Fair at the beach or pool
    • UV
      7 - High
    • Cloud
      Cover
      45%
    • Precip
      6%
    more
  • Fri

    Jul 10

    69°Lo 52°

    Cool with clouds and sunshine

    Fair at the beach or pool
    • UV
      7 - High
    • Cloud
      Cover
      62%
    • Precip
      6%
    more
Next Previous
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Forecast
Sunny
Clear
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Cloudy
Cloudy
Temp (°F) 68° 64° 61° 60° 58° 58° 58° 57°
RealFeel® 64° 60° 56° 55° 55° 55° 55° 54°
Humidity 61% 69% 81% 83% 85% 86% 86% 88%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 16 W 16 W 13 W 12 W 9 W 8 W 8 WSW 9 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 8% 19% 25% 25% 25% 95% 95%
Dew Point 55° 54° 55° 54° 54° 54° 54° 54°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Napa, Napa River Tide Table - Jul 6

See all tide tables >
High 5:04 AM 6.8 ft
Low 11:57 AM -0.4 ft
High 6:35 PM 6.8 ft

Temperature History - Jul 6

more Historical Weather Data >
  Today Normal Record 7/6/2014
High 83° 83° 106° (1921) 85°
Low 55° 55° 44° (1955) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:45 of sunlight, then sets at 8:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:52 PM with 12:22 of moolight, then sets at 12:14 PM

Napa Weather Report

San Francisco: Cooler, Comfortable Conditions to Start Week

July 6, 2015; 1:57 PM ET

The San Francisco area will remain cool and comfortable into the early part of the upcoming workweek. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Mon. Beach & Pool

Mon. UV Index

Mon. Wind Maps