• Early AM

    Oct 22

    Lo 52°

    Partly to mostly cloudy

    Asthma Weather
    • Hi
      RealFeel
      69°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Oct 22

    71°Lo 56°

    Pleasant with some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      71°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Thu

    Oct 23

    73°Lo 56°

    Some sun, then clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      71°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Oct 24

    75°Lo 61°

    Sunshine and patchy clouds

    Beneficial weather for asthma
    • Hi
      RealFeel
      73°
    • UV
      4 - Moderate
    • Cloud
      Cover
      25%
    more
  • Sat

    Oct 25

    69°Lo 54°

    A little afternoon rain

    Beneficial weather for asthma
    • Hi
      RealFeel
      67°
    • UV
      3 - Moderate
    • Cloud
      Cover
      76%
    more
Next Previous
Hi 71° RealFeel® 71° Precipitation 5%

Day

N

E

S

W

  • W 6 mph
  • Gusts: 13 mph

Pleasant with partial sunshine

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 56° RealFeel® 55° Precipitation 15%

Night

N

E

S

W

  • NNW 4 mph
  • Gusts: 7 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Oct 22

more Historical Weather Data >
  Today Normal Record 10/22/2013
High 71° N/A N/A 71°
Low 56° N/A N/A 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:23 AM with 10:59 of sunlight, then sets at 6:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:11 AM with 11:39 of moolight, then sets at 5:50 PM

Castro Valley Weather Report

San Francisco: Dry Weather to Remain into Late Week

October 22, 2014; 2:50 AM ET

Dry, seasonable conditions will last through Friday afternoon in San Francisco. 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.

Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index