• Tonight

    Dec 28

    Lo 20°

    Mainly clear and chilly

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      46°
    • Wind
      Speed
      5 mph
    more
  • Mon

    Dec 29

    40°Lo 17°

    Partly sunny and chilly

    Good for home energy
    • Avg
      RealFeel
      29°
    • Hi
      RealFeel
      42°
    • Wind
      Speed
      4 mph
    more
  • Tue

    Dec 30

    30°Lo 11°

    Colder with snow tapering off

    Good for home energy
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      24°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Dec 31

    32°Lo 14°

    Partly sunny and cold

    Good for home energy
    • Avg
      RealFeel
      24°
    • Hi
      RealFeel
      33°
    • Wind
      Speed
      6 mph
  • Thu

    Jan 1

    38°Lo 18°

    Mostly sunny and chilly

    Good for home energy
    • Avg
      RealFeel
      32°
    • Hi
      RealFeel
      42°
    • Wind
      Speed
      2 mph
    more
Next Previous
Hi 32° RealFeel® 33° Precipitation 1%

Day

N

E

S

W

  • ENE 6 mph
  • Gusts: 12 mph

Partly sunny and cold

  • Max UV Index: 2 (Low)
  • 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 14° RealFeel® 15° Precipitation 0%

Night

N

E

S

W

  • E 4 mph
  • Gusts: 8 mph

Clear and very cold

  • 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 - Dec 31

more Historical Weather Data >
  Today Normal Record 12/31/2013
High 32° 40° N/A 55°
Low 14° 14° N/A 23°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:23 AM with 9:24 of sunlight, then sets at 4:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:41 PM with 14:16 of moolight, then sets at 3:57 AM

Portola Weather Report

Cold Storm to Bring Snow, Rain and a Freeze to California

December 29, 2014; 2:14 AM ET

A storm and cold air forecast to develop at the end of 2014 and linger into the start of 2015 will deliver snow, rain and a frost or freeze to portions of California. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index