• Tonight

    Sep 1

    Lo 56°

    Clear

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      91°
  • Tue

    Sep 2

    76°Lo 56°

    Low clouds, then sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      77°
    more
  • Wed

    Sep 3

    78°Lo 53°

    Low clouds followed by sun

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      78°
    more
  • Thu

    Sep 4

    78°Lo 53°

    Partly sunny and cool

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      79°
    more
  • Fri

    Sep 5

    79°Lo 53°

    Mostly sunny and cool

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      78°
    more
Next Previous
Hi 91° RealFeel® 91° Precipitation 1%

Day

N

E

S

W

  • SSW 6 mph
  • Gusts: 13 mph

Plenty of sunshine

  • Max UV Index: 6 (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 56° RealFeel® 54° Precipitation 1%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 11 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 - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 91° 86° N/A 75°
Low 56° 52° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 13:01 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:24 PM with 10:25 of moolight, then sets at 11:49 PM

Top Story

Napa Weather Report

San Francisco: Bright, Sunny for First Week of September

September 1, 2014; 9:25 AM ET

San Francisco will see abundant sunshine through at least Thursday. 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?

Current Drought Status

Current Soil Conditions

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration