• Today

    Sep 15

    82°Lo 49°

    A t-storm late this afternoon

    Excellent for stargazing
    • Cloud
      Cover
      2%
    • Precip
      1%
    • Hours of Precip
      0.5
    more
  • Tue

    Sep 16

    83°Lo 48°

    Plenty of sunshine

    Excellent for stargazing
    • Cloud
      Cover
      4%
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Wed

    Sep 17

    80°Lo 46°

    Mostly sunny and seasonable

    Excellent for stargazing
    • Cloud
      Cover
      16%
    • Precip
      12%
    • Hours of Precip
      0
  • Thu

    Sep 18

    73°Lo 43°

    Partly sunny

    Excellent for stargazing
    • Cloud
      Cover
      18%
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Fri

    Sep 19

    80°Lo 44°

    Mostly sunny and warm

    Excellent for stargazing
    • Cloud
      Cover
      0%
    • Precip
      0%
    • Hours of Precip
      0
    more
Next Previous
Mainly clear 52° Lo 46° RealFeel® 51° / 45°

N

E

S

W

  • Precipitation: 12%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 71%
  • Cloud Cover: 20%
  • Dew Point: 40° F
  • Visibility: 10 mi
3 mph

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 80° 76° 86° (1984) 62°
Low 46° 43° 34° (1965) 50°

Solunar Information for Portola, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:22 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:50 AM with 14:30 of moolight, then sets at 3:20 PM

Tue, Sep 16
Last
Wed, Sep 24
New
Wed, Oct 1
First
Wed, Oct 8
Full
Top Story

Portola Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 15, 2014; 7:27 PM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. more >

Lunar Reconnaissance Orbiter Studies Moon

Sep 14, 2014; 5:00 AM ET We now know the topographical structure of the moon better than our own planet thanks to LRO.

Wed. Stargazing