• Early AM

    Jul 28

    Lo 59°

    Partly cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      94°
    • UV
      7 - Very High
    • Cloud
      Cover
      43%
    more
  • Today

    Jul 28

    86°Lo 59°

    Clouds, then sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      91°
    • UV
      7 - Very High
    • Cloud
      Cover
      47%
    more
  • Fri

    Jul 29

    85°Lo 61°

    Clouds, then sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      90°
    • UV
      7 - Very High
    • Cloud
      Cover
      20%
  • Sat

    Jul 30

    85°Lo 60°

    Mostly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      90°
    • UV
      7 - Very High
    • Cloud
      Cover
      28%
    more
  • Sun

    Jul 31

    84°Lo 59°

    Areas of fog, then sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      89°
    • UV
      7 - Very High
    • Cloud
      Cover
      33%
    more
Next Previous
Hi 85° RealFeel® 90° Precipitation 1%

Day

N

E

S

W

  • W 6 mph
  • Gusts: 12 mph

Areas of low clouds and fog, then sunshine

  • Max UV Index: 8 (Very 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 61° RealFeel® 62° Precipitation 1%

Night

N

E

S

W

  • WNW 4 mph
  • Gusts: 9 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2015
High 85° 79° N/A 85°
Low 61° 56° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 14:07 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:18 AM with 14:20 of moolight, then sets at 4:38 PM

Sunnyvale Weather Report

Oppressive heat to envelop the western US as late-week highs soar 10 to 15 degrees Fahrenheit above average

July 28, 2016; 4:34 AM ET

Highs will run between 10 and 15 degrees Fahrenheit above average across much of the interior western United States into the upcoming weekend. more >

Fri. Sinus Headache

Fri. UV Index