• Early AM

    Jul 31

    Lo 70°

    Partly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      96°
    • UV
      7 - Very High
    • Cloud
      Cover
      49%
    more
  • Today

    Jul 31

    87°Lo 63°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      93°
    • UV
      7 - Very High
    • Cloud
      Cover
      47%
  • Mon

    Aug 1

    86°Lo 63°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      92°
    • UV
      7 - Very High
    • Cloud
      Cover
      49%
    more
  • Tue

    Aug 2

    85°Lo 63°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      90°
    • UV
      7 - Very High
    • Cloud
      Cover
      44%
    more
  • Wed

    Aug 3

    86°Lo 62°

    Mostly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      91°
    • UV
      7 - Very High
    • Cloud
      Cover
      19%
    more
Next Previous
Next 8 hours >
  Sun
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 73° 72° 71° 70° 71° 73° 75° 78°
RealFeel® 72° 70° 70° 69° 71° 75° 80° 85°
Humidity 66% 69% 74% 76% 77% 72% 65% 55%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 5 S 4 S 4 S 4 S 4 SSE 4 SSE 5 SSE 5 SSE
UV Index 0 0 0 0 0 1 3 5
Cloud Cover 45% 25% 25% 25% 25% 25% 25% 25%
Dew Point 61° 61° 62° 62° 63° 64° 63° 61°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 87° 93° N/A 92°
Low 63° 62° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 13:51 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:59 AM with 14:15 of moolight, then sets at 6:14 PM

Simi Valley Weather Report

Western US: Diminishing heat to aid in firefighting efforts this week

July 31, 2016; 4:27 AM ET

As several large fires continue to rage across the western United States, weather conditions will gradually improve for firefighting efforts this week. more >

Sun. Migraine Headache

Sun. UV Index