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  • Tonight

    May 6

    A thunderstorm in spots early Lo 21°
  • Thu

    May 7

    A t-storm in the afternoon 29°Lo 20°
    more
  • Fri

    May 8

    A p.m. t-storm in spots 29°Lo 20°
    more
  • Sat

    May 9

    A p.m. t-storm in spots 28°Lo 19°
    more
  • Sun

    May 10

    A p.m. t-storm in spots 29°Lo 19°
    more
Some clouds 22° RealFeel® 26°

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W

  • Humidity: 96%
  • Pressure: 1008.80 mb
  • UV Index: 0
  • Cloud Cover: 60%
  • Ceiling: 3048 m
  • Dew Point: 21° C
  • Visibility: 14 km
3 km/h

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:17 AM with 12:29 of sunlight, then sets at 5:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:12 PM with 12:00 of moolight, then sets at 8:12 AM

Temperature Summary - 8:13 PM

  Temp (°C)
Now 22°
Yesterday 24°
RealFeel® 26°
RealFeel® Shade 26°
Wind Chill 22°
Dew Point 21°
  Hi / Lo
Previous 6 Hours 23°
  22°
Previous 12 Hours 31°
  22°
Previous 24 Hours 31°
  21°

Temperature History - May 6

more Historical Weather Data >
  Today Normal Record 5/6/2014
High 31° 28° N/A 31°
Low 21° 18° N/A 18°

Precipitation Summary - 8:13 PM

  Amount (mm)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 1
Previous 9 Hours 1
Previous 12 Hours 1
Previous 18 Hours 1
Previous 24 Hours 1

San Ramon Sur Weather Report

Volcanic Eruptions and Air Travel: What Happens When a Plane Flies Through an Ash Plume?

May 6, 2015; 5:54 PM ET

The 1,500 active volcanoes worldwide are creating a minefield for pilots who have to be on watch for volcanic ash clouds capable of causing major damage. more >