• Today

    Jul 13

    87°Lo 55°

    Mostly sunny and warmer

    Fair at the beach or pool
    • UV
      8 - Very High
    • Cloud
      Cover
      17%
    • Precip
      1%
  • Mon

    Jul 14

    88°Lo 60°

    Mostly sunny

    Beach & Pool Weather
    • UV
      8 - Very High
    • Cloud
      Cover
      20%
    • Precip
      1%
    more
  • Tue

    Jul 15

    81°Lo 60°

    Mostly sunny

    Beach & Pool Weather
    • UV
      7 - High
    • Cloud
      Cover
      20%
    • Precip
      3%
    more
  • Wed

    Jul 16

    78°Lo 58°

    Mostly sunny

    Poor at the beach or pool
    • UV
      8 - Very High
    • Cloud
      Cover
      19%
    • Precip
      3%
    more
  • Thu

    Jul 17

    77°Lo 56°

    Mostly sunny

    Fair at the beach or pool
    • UV
      8 - Very High
    • Cloud
      Cover
      19%
    • Precip
      4%
    more
Next Previous
Hi 87° RealFeel® 87° Precipitation 1%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 13 mph

Mostly sunny and warmer

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 55° RealFeel® 54° Precipitation 1%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 10 mph

Partly cloudy

  • 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

Napa, Napa River Tide Table - Jul 13

See all tide tables >
High 2:13 AM 8.4 ft
Low 9:22 AM -1.3 ft
High 3:57 PM 6.5 ft
Low 9:23 PM 1.9 ft

Temperature History - Jul 13

more Historical Weather Data >
  Today Normal Record 7/13/2013
High 87° 86° N/A 78°
Low 55° 53° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:37 of sunlight, then sets at 8:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:28 PM with 11:15 of moolight, then sets at 8:43 AM

Top Story

Napa Weather Report

San Francisco: Partially Sunny Skies, Rise in Temperature Ahead

July 13, 2014; 3:59 AM ET

San Francisco will see a rise in temperatures over the next several days as partially cloudy skies make way for plenty of sunshine. 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.

Sun. Beach & Pool

Sun. UV Index

Sun. Wind Maps