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  • Today

    May 6

    Clouds and sunshine 25°Lo 17°
    more
  • Thu

    May 7

    An afternoon thunderstorm 24°Lo 16°
    more
  • Fri

    May 8

    A p.m. t-storm in spots 24°Lo 16°
  • Sat

    May 9

    A p.m. t-storm in spots 24°Lo 15°
    more
  • Sun

    May 10

    A p.m. t-storm in spots 24°Lo 16°
    more
Hi 24° RealFeel® 32° Precipitation 42%

Day

N

E

S

W

  • NNE 2 km/h
  • Gusts: 4 km/h

Times of sun and clouds with a shower or thunderstorm in spots in the afternoon

  • Max UV Index: 11 (Extreme)
  • Thunderstorms: 40%
  • Precipitation: 2 mm
  • Rain: 2 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 16° RealFeel® 17° Precipitation 25%

Night

N

E

S

W

  • E 2 km/h
  • Gusts: 6 km/h

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 8

more Historical Weather Data >
  Today Normal Record 5/8/2014
High 24° 28° N/A 29°
Low 16° 18° N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:16 AM with 12:31 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:00 PM with 12:02 of moolight, then sets at 10:02 AM

San Ramon Norte 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 >