• Early AM

    May 25

    Lo 48°

    Partly to mostly cloudy

    Asthma Weather
    • Hi
      RealFeel
      68°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Today

    May 25

    71°Lo 49°

    Clouds breaking and cool

    Beneficial weather for asthma
    • Hi
      RealFeel
      79°
    • UV
      5 - High
    • Air Qual.
      Good
  • Thu

    May 26

    76°Lo 50°

    Turning sunny; chilly

    Beneficial weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Fri

    May 27

    79°Lo 48°

    Mostly sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      88°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Sat

    May 28

    78°Lo 49°

    Sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      85°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
6pm
7pm 8pm 9pm 10pm 11pm Thu
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Temp (°F) 69° 66° 63° 60° 58° 55° 53° 53°
RealFeel® 68° 65° 62° 59° 58° 56° 54° 54°
Humidity 48% 53% 57% 61% 68% 74% 76% 82%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
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0%
Snow
 
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Ice
 
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  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 7 WNW 7 WNW 6 WNW 6 WNW 5 NW 4 NW 4 NNW 2 NNW
UV Index 2 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 27% 30% 32%
Dew Point 48° 49° 47° 47° 48° 47° 46° 47°
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

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2015
High 71° 79° N/A 80°
Low 49° 46° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:37 of sunlight, then sets at 8:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:41 PM with 10:27 of moolight, then sets at 10:08 AM

Lucerne Weather Report

San Francisco: Cool, cloudy weather to last though midweek

May 25, 2016; 2:26 AM ET

The last full week of May will kick off with cloudy and cool conditions in the Bay Area with rain remaining absent from the forecast. more >

Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index