• Today

    Sep 16

    91°Lo 61°

    Mostly sunny and very warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      90°
    more
  • Wed

    Sep 17

    91°Lo 61°

    Sun mixing with clouds

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      12%
    • Hi
      RealFeel
      92°
  • Thu

    Sep 18

    84°Lo 61°

    Sunshine and some clouds

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      86°
    more
  • Fri

    Sep 19

    88°Lo 61°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      88°
    more
  • Sat

    Sep 20

    92°Lo 62°

    Sunny and very warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      94°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Sunny
Sunny
Temp (°F) 70° 68° 66° 64° 63° 62° 61° 63°
RealFeel® 65° 64° 62° 62° 61° 60° 59° 62°
Humidity 58% 61% 65% 68% 71% 74% 76% 70%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 4 NW 4 NW 4 NW 4 NW 4 NW 4 NW 4 NW 4 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 7% 10% 10% 10% 10% 10% 9% 0%
Dew Point 54° 54° 53° 54° 54° 54° 53° 53°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 91° 89° 102° (1984) 83°
Low 61° 59° 46° (1959) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 12:21 of sunlight, then sets at 7:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:58 AM with 14:19 of moolight, then sets at 3:17 PM

Top Story

Patterson Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 16, 2014; 3:08 PM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. 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?

Wed. Overnight Freeze

Wed. Degree Days

Wed. Evapotranspiration