• Tonight

    Jul 27

    Lo 76°

    An evening shower or t-storm

    Migraine Headache Weather
    • Hi
      RealFeel
      106°
    • UV
      7 - Very High
    • Cloud
      Cover
      27%
  • Thu

    Jul 28

    90°Lo 76°

    Periods of sun with a t-storm

    Neutral weather for migraines
    • Hi
      RealFeel
      101°
    • UV
      5 - High
    • Cloud
      Cover
      70%
    more
  • Fri

    Jul 29

    95°Lo 78°

    A thunderstorm in the area

    Neutral weather for migraines
    • Hi
      RealFeel
      102°
    • UV
      7 - Very High
    • Cloud
      Cover
      70%
    more
  • Sat

    Jul 30

    97°Lo 79°

    Partly sunny and very warm

    Neutral weather for migraines
    • Hi
      RealFeel
      106°
    • UV
      7 - Very High
    • Cloud
      Cover
      43%
    more
  • Sun

    Jul 31

    98°Lo 80°

    Mostly sunny and very warm

    Neutral weather for migraines
    • Hi
      RealFeel
      107°
    • UV
      7 - Very High
    • Cloud
      Cover
      19%
    more
Next Previous
Hi 94° RealFeel® 106° Precipitation 47%

Day

N

E

S

W

  • S 6 mph
  • Gusts: 16 mph

Sun mixing with clouds with a heavy thunderstorm later this afternoon; watch for flash flooding

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 60%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 76° RealFeel® 80° Precipitation 66%

Night

N

E

S

W

  • SSW 6 mph
  • Gusts: 8 mph

An evening shower or thunderstorm; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2015
High 94° 98° N/A 99°
Low 76° 76° N/A 76°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:51 of sunlight, then sets at 8:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:09 AM with 13:27 of moolight, then sets at 2:36 PM

Sunnyvale Weather Report

Drenching storms to raise flood risk over southern US through Thursday

July 27, 2016; 4:54 PM ET

Repeating downpours will raise the risk for flash flooding along the Gulf coast and lower Mississippi Valley through the middle days of the week. more >

Wed. Migraine Headache

Wed. UV Index