December 14 - January 27

Sun 12/14

21° /16°

19%

Breezy this evening; otherwise, cloudy and cold

RealFeel®-3°

Cloud Cover92%

WindW 12 mph

Wind Gusts23 mph

Mon 12/15

27° /17°

88%

Breezy and cold with intermittent snow and flurries with little or no accumulation; watch for slippery spots

RealFeel®10°

RealFeel Shade™10°

Max UV Index0.0 (Low)

WindWSW 15 mph

Tue 12/16

36° /30°

Low clouds and not as cold

RealFeel®19°

RealFeel Shade™19°

Max UV Index0.0 (Low)

WindSW 12 mph

Wed 12/17

40° /30°

19%

Windy; considerable morning cloudiness, then intervals of clouds and sunshine in the afternoon

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindWSW 21 mph

Thu 12/18

48° /28°

55%

Cloudy and increasingly windy; a little rain in the afternoon

RealFeel®36°

RealFeel Shade™36°

Max UV Index0.0 (Low)

WindS 18 mph

Fri 12/19

33° /23°

60%

Very windy; a little morning snow; otherwise, cloudy and colder

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindW 27 mph

Sat 12/20

41° /31°

25%

Remaining cloudy

RealFeel®29°

RealFeel Shade™29°

Max UV Index1.0 (Low)

WindSSW 14 mph

Sun 12/21

35° /21°

Mostly cloudy

RealFeel®29°

RealFeel Shade™28°

Max UV Index2.0 (Low)

WindWSW 10 mph

Mon 12/22

36° /30°

Cloudy

RealFeel®34°

RealFeel Shade™34°

Max UV Index1.0 (Low)

WindENE 6 mph

Tue 12/23

38° /30°

30%

Cloudy with a rain and snow shower possible

RealFeel®28°

RealFeel Shade™28°

Max UV Index0.0 (Low)

WindSW 14 mph

Wed 12/24

42° /27°

35%

Mostly cloudy; a chance for rain and snow in the morning, then rain and drizzle possible in the afternoon

RealFeel®36°

RealFeel Shade™36°

Max UV Index1.0 (Low)

WindNNW 9 mph

Thu 12/25

36° /28°

35%

Mostly cloudy; a chance for snow showers in the morning, then snow, sleet and rain possible in the afternoon

RealFeel®40°

RealFeel Shade™40°

Max UV Index1.0 (Low)

WindSW 5 mph

Fri 12/26

31° /22°

30%

A thick cloud cover with a couple of snow showers possible

RealFeel®30°

RealFeel Shade™30°

Max UV Index0.0 (Low)

WindWSW 8 mph

Sat 12/27

29° /22°

55%

Considerable cloudiness with a flurry around

RealFeel®21°

RealFeel Shade™21°

Max UV Index0.0 (Low)

WindWSW 14 mph

Sun 12/28

42° /29°

25%

Mostly cloudy

RealFeel®38°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindWNW 8 mph

Mon 12/29

36° /29°

25%

Times of clouds and sun

RealFeel®31°

RealFeel Shade™27°

Max UV Index2.0 (Low)

WindS 10 mph

Tue 12/30

41° /21°

25%

Mostly cloudy

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindNNW 9 mph

Wed 12/31

33° /22°

25%

Mostly cloudy

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindE 6 mph

Thu 1/1

39° /30°

70%

Cloudy; a morning shower in spots followed by periods of rain in the afternoon

RealFeel®25°

RealFeel Shade™25°

Max UV Index0.0 (Low)

WindSW 13 mph

Fri 1/2

41° /28°

25%

Cloudy

RealFeel®29°

RealFeel Shade™29°

Max UV Index1.0 (Low)

WindENE 14 mph

Sat 1/3

34° /29°

64%

Rain and freezing rain in the afternoon; otherwise, a bit of ice in the morning; cloudy

RealFeel®26°

RealFeel Shade™26°

Max UV Index0.0 (Low)

WindNE 10 mph

Sun 1/4

41° /30°

56%

Remaining cloudy; a shower in spots after temperatures rise above freezing in the morning, then a little rain in the afternoon

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindSSE 13 mph

Mon 1/5

41° /28°

70%

Mostly cloudy and windy; periods of snow and rain in the afternoon

RealFeel®28°

RealFeel Shade™28°

Max UV Index2.0 (Low)

WindSW 22 mph

Tue 1/6

40° /27°

55%

A bit of morning snow; otherwise, mainly cloudy

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindWSW 9 mph

Wed 1/7

35° /27°

25%

Intervals of clouds and sunshine

RealFeel®26°

RealFeel Shade™26°

Max UV Index2.0 (Low)

WindE 13 mph

Thu 1/8

42° /30°

25%

Times of clouds and sun

RealFeel®34°

RealFeel Shade™34°

Max UV Index2.0 (Low)

WindWSW 16 mph

Fri 1/9

40° /28°

67%

A mix of snow, ice and rain in the morning followed by a mix of snow, sleet and rain in the afternoon

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindSSW 14 mph

Sat 1/10

42° /24°

25%

Cloudy

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindW 16 mph

Sun 1/11

28° /13°

55%

Mostly cloudy and colder with a bit of snow

RealFeel®17°

RealFeel Shade™17°

Max UV Index1.0 (Low)

WindNNW 14 mph

Mon 1/12

24° /14°

25%

Cloudy

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindS 5 mph

Tue 1/13

32° /24°

25%

Cloudy

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindWSW 10 mph

Wed 1/14

35° /24°

25%

Sun followed by increasing clouds

RealFeel®31°

RealFeel Shade™31°

Max UV Index2.0 (Low)

WindNNW 7 mph

Thu 1/15

32° /13°

65%

Snow at times

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindS 10 mph

Fri 1/16

34° /10°

55%

Considerable cloudiness with a bit of snow

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindNNW 15 mph

Sat 1/17

22° /10°

25%

Rather cloudy and colder

RealFeel®10°

RealFeel Shade™10°

Max UV Index1.0 (Low)

WindNW 10 mph

Sun 1/18

22° /12°

25%

Cold with times of clouds and sun

RealFeel®11°

RealFeel Shade™11°

Max UV Index1.0 (Low)

WindW 12 mph

Mon 1/19

26° /10°

64%

Periods of snow

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindW 14 mph

Tue 1/20

25° /9°

25%

Times of clouds and sun

RealFeel®13°

RealFeel Shade™13°

Max UV Index1.0 (Low)

WindNNW 14 mph

Wed 1/21

22° /10°

25%

Mostly cloudy and cold

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindSW 6 mph

Thu 1/22

27° /21°

25%

Mostly cloudy

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindNNE 2 mph

Fri 1/23

37° /26°

74%

Windy; periods of snow, sleet, freezing rain and rain in the morning followed by a mix of snow, sleet and rain in the afternoon

RealFeel®22°

RealFeel Shade™22°

Max UV Index1.0 (Low)

WindSSW 21 mph

Sat 1/24

39° /12°

25%

After a cloudy start, sunshine returns

RealFeel®34°

RealFeel Shade™31°

Max UV Index2.0 (Low)

WindSW 10 mph

Sun 1/25

37° /10°

25%

Considerable cloudiness

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindNW 13 mph

Mon 1/26

25° /13°

62%

Snow

RealFeel®8°

RealFeel Shade™8°

Max UV Index1.0 (Low)

WindENE 14 mph

Tue 1/27

29° /18°

55%

Considerable cloudiness with occasional snow and flurries

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindNNE 6 mph

St Catharines, Ontario

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