• Early AM

    Sep 4

    Lo 47°

    Clear

    Asthma Weather
    • Hi
      RealFeel
      86°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Today

    Sep 4

    83°Lo 47°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Air Qual.
      Good
  • Sat

    Sep 5

    85°Lo 49°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      90°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Sun

    Sep 6

    90°Lo 51°

    Warm with plenty of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Mon

    Sep 7

    91°Lo 53°

    Clear

    Beneficial weather for asthma
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 49° 51° 52° 57° 63° 69° 74° 77°
RealFeel® 51° 53° 55° 61° 68° 73° 78° 81°
Humidity 91% 84% 83% 71% 56% 45% 35% 28%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
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0%
Snow
 
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Ice
 
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  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 1 NW 2 NW 2 NW 5 NNW 6 NNW 8 NNW 9 NW 9 WNW
UV Index 0 0 1 2 3 5 6 6
Cloud Cover 25% 25% 26% 26% 26% 26% 26% 26%
Dew Point 46° 46° 47° 48° 47° 47° 44° 42°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 83° N/A N/A 76°
Low 47° N/A N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 12:54 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:58 PM with 14:26 of moolight, then sets at 2:24 PM

Santa Rosa Weather Report

San Francisco: Pleasant Stretch Continues Through Labor Day

September 4, 2015; 1:47 AM ET

As a ridge moves in from the west over the weekend and early next week, high temperatures will swing back above normal. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index