• Tonight

    Sep 18

    Lo 2°

    Clear and cold

    Sinus Headache Weather
    • Hi
      RealFeel
      17°
    • UV
      3 - Moderate
    • Cloud
      Cover
      71%
    more
  • Fri

    Sep 19

    16°Lo 8°

    Partly sunny

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      16°
    • UV
      5 - Moderate
    • Cloud
      Cover
      30%
  • Sat

    Sep 20

    22°Lo 14°

    Showers late in the afternoon

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      19°
    • UV
      4 - Moderate
    • Cloud
      Cover
      60%
    more
  • Sun

    Sep 21

    17°Lo 4°

    Mostly cloudy, showers around

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      15°
    • UV
      2 - Low
    • Cloud
      Cover
      81%
    more
  • Mon

    Sep 22

    15°Lo 6°

    Cool with clouds and sun

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      13°
    • UV
      3 - Moderate
    • Cloud
      Cover
      56%
    more
Next Previous
Hi 16° RealFeel® 16° Precipitation 0%

Day

N

E

S

W

  • SE 13 km/h
  • Gusts: 19 km/h

Partly sunny; pleasant in the afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 8° RealFeel® 7° Precipitation 1%

Night

N

E

S

W

  • S 8 km/h
  • Gusts: 19 km/h

Partly cloudy; rising temperatures late

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

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 16° 19° 29° (1965) 23°
Low (1962) 10°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:06 AM with 12:19 of sunlight, then sets at 7:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:44 AM with 14:14 of moolight, then sets at 4:58 PM

Top Story

Waterloo Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 18, 2014; 8:00 PM ET

The chilliest air of the season so far will settle over much of the Northeast into Friday and will bring frost to a large area. more >