• Tonight

    Jul 25

    Lo 52°

    Increasing cloudiness

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      80°
  • Tue

    Jul 26

    98°Lo 54°

    Patchy fog, then sun

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      100°
    more
  • Wed

    Jul 27

    95°Lo 55°

    Mostly sunny and hot

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      97°
    more
  • Thu

    Jul 28

    95°Lo 59°

    Mostly sunny and hot

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      99°
    more
  • Fri

    Jul 29

    94°Lo 56°

    Hot with plenty of sunshine

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      99°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
10pm
11pm Tue
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Clear
Clear
Mostly Clear
Mostly Clear
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 63° 61° 59° 58° 56° 55° 54° 52°
RealFeel® 63° 61° 60° 58° 56° 55° 54° 53°
Humidity 75% 76% 74% 82% 87% 91% 91% 99%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
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Snow
 
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Ice
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 4 SSW 4 SSW 4 SSW 4 SSW 5 SW 4 W 4 W 4 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 7% 9% 25% 25% 95% 95% 95% 95%
Dew Point 55° 53° 51° 52° 53° 53° 51° 52°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Jul 25

more Historical Weather Data >
  Today Normal Record 7/25/2015
High 77° 86° N/A 77°
Low 52° 53° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 14:19 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:14 AM with -15:-57 of moolight, then sets at 12:17 PM

Napa Weather Report

90-degree heat to build across northwestern US this week

July 25, 2016; 8:05 PM ET

Dangerous heat will surge northward and send temperatures rising across the northwestern United States this week. more >

Current Drought Status

Current Soil Conditions

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration