• Today

    Jul 31

    25°Lo 9°

    Increasing cloudiness

    Excellent for running
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      31 k/h
  • Fri

    Aug 1

    22°Lo 10°

    Times of clouds and sun

    Excellent for running
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      15 k/h
    more
  • Sat

    Aug 2

    23°Lo 11°

    Pleasant with clouds and sun

    Excellent for running
    • Precip
      4%
    • Hours of Precip
      1.5
    • Wind
      Gust
      18 k/h
    more
  • Sun

    Aug 3

    22°Lo 11°

    Mostly cloudy with a t-storm

    Very Good for running
    • Precip
      55%
    • Hours of Precip
      1
    • Wind
      Gust
      15 k/h
    more
  • Mon

    Aug 4

    23°Lo 10°

    Intervals of clouds and sun

    Excellent for running
    • Precip
      0%
    • Hours of Precip
      0
    • Wind
      Gust
      11 k/h
    more
Next Previous
Hi 25° RealFeel® 25° Precipitation 2%

Day

N

E

S

W

  • NW 14 km/h
  • Gusts: 31 km/h

Increasing cloudiness

  • Max UV Index: 6 (High)
  • 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 9° RealFeel® 4° Precipitation 15%

Night

N

E

S

W

  • N 19 km/h
  • Gusts: 47 km/h

Partly cloudy and breezy

  • 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 - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 25° 23° 33° (2007) 26°
Low 10° (1940) 13°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 15:06 of sunlight, then sets at 9:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:24 AM with 11:56 of moolight, then sets at 11:20 PM

Top Story

Thunder Bay Weather Report

Smoke From Canada Wildfires to Impact Chicago, NYC

July 31, 2014; 5:02 AM ET

Ongoing wildfires in Ontario and western Canada will impact areas across the Great Lakes to the Northeast through the weekend. more >