• Tonight

    Dec 18

    Lo 23°

    Partly cloudy

    Dust & Dander Weather
    • Precip
      4%
    • Wind
      Speed
      19 k/h
    • Cloud
      Cover
      17%
  • Fri

    Dec 19

    29°Lo 23°

    Pleasant with clouds and sun

    Extreme indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      68%
    more
  • Sat

    Dec 20

    31°Lo 25°

    Some brightening

    Extreme indoor dust & dander levels
    • Precip
      9%
    • Wind
      Speed
      6 k/h
    • Cloud
      Cover
      93%
    more
  • Sun

    Dec 21

    32°Lo 25°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Precip
      59%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      75%
    more
  • Mon

    Dec 22

    32°Lo 23°

    A t-storm in the afternoon

    Extreme indoor dust & dander levels
    • Precip
      51%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      96%
    more
Next Previous
Partly to mostly cloudy 28° Lo 24° RealFeel® 27° / 26°

N

E

S

W

  • Precipitation: 9%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 76%
  • Cloud Cover: 62%
  • Dew Point: 21° C
  • Visibility: 7 km
11 km/h

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 31° N/A N/A 26°
Low 23° N/A N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 13:33 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:09 AM with 13:10 of moolight, then sets at 4:19 PM

Rio de Janeiro Weather Report

Weekend Flood Threat to End Heat in Uruguay, Brazil, Paraguay

December 18, 2014; 4:16 PM ET

A potent cold front will bring much cooler air and a flood threat to parts of South America this weekend. more >