• Early AM

    Jul 30

    Lo 55°

    Clear

    Hair Frizz Weather
    • Wind
      Gust
      16 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Today

    Jul 30

    83°Lo 59°

    Sunny; breezy this afternoon

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Fri

    Jul 31

    80°Lo 59°

    Low clouds, then some sun

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sat

    Aug 1

    80°Lo 58°

    Low clouds, then some sun

    Advisory for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      1%
    • Hours of Precip
      0
  • Sun

    Aug 2

    79°Lo 56°

    Low clouds, then sun

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
Hi 80° RealFeel® 80° Precipitation 2%

Day

N

E

S

W

  • SW 15 mph
  • Gusts: 23 mph

Low clouds followed by some sun; breezy in the afternoon

  • Max UV Index: 7 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 58° RealFeel® 55° Precipitation 1%

Night

N

E

S

W

  • WSW 10 mph
  • Gusts: 17 mph

Clear

  • 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

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 80° 82° 102° (1993) 80°
Low 58° 55° 44° (1932) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 14:08 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:11 PM with 11:40 of moolight, then sets at 8:51 AM

Napa Weather Report

San Francisco: Comfortable Conditions to End July

July 30, 2015; 4:31 AM ET

A pattern of cooler and seasonable weather will enter the city of San Francisco through the end of July and into the early part of August. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sat. Hair Frizz

Sat. Wind Maps

Sat. UV Index