• Today

    Jun 27

    95°Lo 53°

    Hot with plenty of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      98°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
  • Tue

    Jun 28

    96°Lo 54°

    Hot with blazing sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      99°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
    more
  • Wed

    Jun 29

    93°Lo 54°

    Sunny and hot

    Beneficial weather for asthma
    • Hi
      RealFeel
      96°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
    more
  • Thu

    Jun 30

    90°Lo 54°

    Warm with plenty of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      96°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Fri

    Jul 1

    86°Lo 52°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
Next Previous
Next 8 hours >
  Mon
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Sunny
Sunny
Temp (°F) 63° 60° 59° 56° 55° 55° 57° 60°
RealFeel® 61° 59° 58° 53° 58° 58° 59° 63°
Humidity 81% 72% 77% 77% 80% 86% 76% 67%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
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Snow
 
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Ice
 
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  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 7 S 5 S 5 S 7 SW 0 0 0 1 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 4% 7% 9%
Dew Point 57° 51° 52° 49° 49° 51° 49° 49°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Jun 27

more Historical Weather Data >
  Today Normal Record 6/27/2015
High 95° 86° N/A 74°
Low 53° 52° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:50 of sunlight, then sets at 8:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:53 AM with 12:25 of moolight, then sets at 1:18 PM

Napa Weather Report

Extreme heat to exacerbate southwestern US wildfire threat into next week

June 27, 2016; 4:47 AM ET

Another round of sizzling heat threatens to aggravate the ongoing wildfire situation across the southwestern United States through early week. more >

Mon. Air Quality

Mon. Asthma Risk

Mon. UV Index