• Tonight

    May 21

    Lo 5°

    Mostly cloudy with a shower

    Arthritis Pain Weather
    • Rain
      13 mm
    • Hours of Precip
      9.5
    • UV
      2 - Low
  • Wed

    May 22

    12°Lo 2°

    Mostly cloudy and warmer

    Neutral weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      5 - Moderate
    more
  • Thu

    May 23

    15°Lo 0°

    Partly sunny

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      7 - High
    more
  • Fri

    May 24

    17°Lo 1°

    Plenty of sun

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      7 - High
    more
  • Sat

    May 25

    18°Lo 1°

    Partly sunny

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      7 - High
    more
Next Previous
Hi 9° RealFeel® 6° Precipitation 97%

Day

N

E

S

W

  • NE 19 km/h
  • Gusts: 40 km/h

Cloudy and breezy with showers

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 11 mm
  • Rain: 11 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 7.5 hrs
  • Hours of Rain: 7.5 hrs
Lo 5° RealFeel® 2° Precipitation 65%

Night

N

E

S

W

  • NE 13 km/h
  • Gusts: 27 km/h

Mostly cloudy with a shower

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 2 mm
  • Rain: 2 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 16° 35° (1980) 21°
Low -5° (2002)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 15:28 of sunlight, then sets at 9:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:36 PM with 10:50 of moolight, then sets at 4:26 AM

Top Story

Thunder Bay Weather Report

Severe Thunderstorm Threat Continues Wednesday

May 21, 2013; 3:42 PM ET

Potential for strong thunderstorms again Wednesday. more >