• Tonight

    May 24

    Lo 48°

    Partly to mostly cloudy

    Asthma Weather
    • Hi
      RealFeel
      71°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Wed

    May 25

    75°Lo 50°

    Cool with clouds breaking

    Neutral weather for asthma
    • Hi
      RealFeel
      81°
    • UV
      5 - High
    • Air Qual.
      Good
  • Thu

    May 26

    79°Lo 52°

    Clouds giving way to sun

    Neutral weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Fri

    May 27

    84°Lo 52°

    Clouds giving way to sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Sat

    May 28

    84°Lo 52°

    Low clouds, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Sunny
Temp (°F) 48° 54° 58° 62° 66° 69° 71° 73°
RealFeel® 50° 56° 63° 69° 73° 78° 80° 81°
Humidity 100% 93% 85% 72% 65% 62% 57% 54%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 2 W 2 W 2 WSW 2 SW 4 SW 5 SW 5 SW 6 WSW
UV Index 0 1 2 3 5 6 7 7
Cloud Cover 92% 90% 86% 80% 76% 76% 76% 45%
Dew Point 48° 52° 53° 52° 54° 56° 55° 55°
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 - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2015
High 75° 80° 98° (1982) 75°
Low 50° 48° 33° (2013) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:33 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:39 PM with 10:29 of moolight, then sets at 10:08 AM

Calistoga Weather Report

San Francisco: Cool, cloudy weather to last though midweek

May 24, 2016; 10:34 PM 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