• Tonight

    Apr 16

    Lo 52°

    Partly cloudy

    Common Cold Weather
    • Avg
      Temp
      63°
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      76°
    more
  • Thu

    Apr 17

    65°Lo 50°

    Low clouds breaking

    Beneficial weather for colds
    • Avg
      Temp
      58°
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      66°
  • Fri

    Apr 18

    65°Lo 49°

    Low clouds, then some sun

    Beneficial weather for colds
    • Avg
      Temp
      57°
    • Avg
      RealFeel
      57°
    • Hi
      RealFeel
      66°
    more
  • Sat

    Apr 19

    67°Lo 51°

    Mostly sunny

    Beneficial weather for colds
    • Avg
      Temp
      59°
    • Avg
      RealFeel
      58°
    • Hi
      RealFeel
      68°
    more
  • Sun

    Apr 20

    67°Lo 51°

    Clouds breaking for some sun

    Beneficial weather for colds
    • Avg
      Temp
      59°
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      69°
    more
Next Previous
Hi 65° RealFeel® 66° Precipitation 2%

Day

N

E

S

W

  • W 10 mph
  • Gusts: 18 mph

Low clouds followed by some sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 50° RealFeel® 43° Precipitation 4%

Night

N

E

S

W

  • W 9 mph
  • Gusts: 15 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 - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 65° 67° N/A 68°
Low 50° 46° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 13:14 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:35 PM with 10:25 of moolight, then sets at 9:00 AM

Top Story

San Mateo Weather Report

San Francisco: No Rain in Sight, Morning Clouds to Break for Afternoon Sunshine

April 16, 2014; 6:56 PM ET

For the remainder of the week and into the weekend, morning clouds will give way to mostly sunny skies. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Thu. Cold & Flu

Thu. UV Index