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Castleton, Ontario

20°F
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Castleton

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Castleton, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
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Yellow Warning - Snow Squall

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January 19 - February 17

Mon 1/19

27° /6°
65%

WinterCast

A coating to an inch

Mon, 1/19, 1:00 AM - Mon, 1/19, 11:00 AM

Snow
Winds gusting past 40 mph; intermittent snow and flurries this morning with little or no accumulation; otherwise, cloudy; winds will be locally damaging
alerts

Yellow Warning - Snow Squall

6:00 AM Monday - 12:00 AM Tuesday

RealFeel®11°

RealFeel Shade™11°

Max UV Index1.0 (Low)

WindSW 24 mph

Tue 1/20

15° /10°
25%
Partly sunny, windy and colder; extreme cold can be dangerous for outdoor activities

RealFeel®-5°

RealFeel Shade™-8°

Max UV Index2.0 (Low)

WindW 18 mph

Wed 1/21

32° /24°
80%

WinterCast

A coating to an inch

Wed, 1/21, 9:00 AM - Wed, 1/21, 1:00 PM

Snow
Intermittent snow and flurries in the morning, accumulating a coating to an inch; otherwise, cloudy, breezy and not as cold

RealFeel®16°

RealFeel Shade™16°

Max UV Index0.0 (Low)

WindS 15 mph

Thu 1/22

28° /9°
25%
Partly sunny and windy

RealFeel®12°

RealFeel Shade™9°

Max UV Index2.0 (Low)

WindW 20 mph

Fri 1/23

12° /-17°
55%

WinterCast

Little to no accumulation

Fri, 1/23, 1:00 PM - Fri, 1/23, 4:00 PM

Snow
Cloudy, brisk and very cold; a bit of afternoon snow with little or no accumulation

RealFeel®-6°

RealFeel Shade™-6°

Max UV Index1.0 (Low)

WindWNW 15 mph

Sat 1/24

0° /-12°
4%
Very cold with plenty of sunshine

RealFeel®-12°

RealFeel Shade™-15°

Max UV Index2.0 (Low)

WindWNW 9 mph

Sun 1/25

5° /2°
1%
Very cold with a blend of sunshine and clouds

RealFeel®5°

RealFeel Shade™5°

Max UV Index2.0 (Low)

WindNNE 6 mph

Mon 1/26

9° /0°
62%
Cloudy and very cold with snow, mainly later

RealFeel®6°

RealFeel Shade™6°

Max UV Index0.0 (Low)

WindESE 8 mph

Tue 1/27

11° /3°
55%
Mainly cloudy and very cold; a little snow in the afternoon

RealFeel®-9°

RealFeel Shade™-11°

Max UV Index2.0 (Low)

WindNW 16 mph

Wed 1/28

13° /0°
6%
Very cold with plenty of sun

RealFeel®4°

RealFeel Shade™2°

Max UV Index2.0 (Low)

WindWNW 10 mph

Thu 1/29

14° /5°
12%
Mostly sunny and very cold

RealFeel®19°

RealFeel Shade™13°

Max UV Index2.0 (Low)

WindNNW 6 mph

Fri 1/30

17° /11°
3%
Low clouds and cold

RealFeel®-2°

RealFeel Shade™-2°

Max UV Index1.0 (Low)

WindWSW 15 mph

Sat 1/31

23° /13°
61%
Periods of snow

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindWSW 6 mph

Sun 2/1

24° /11°
25%
Clouds yielding to sun

RealFeel®13°

RealFeel Shade™13°

Max UV Index1.0 (Low)

WindNNE 12 mph

Mon 2/2

19° /2°
20%
Sunny and cold

RealFeel®20°

RealFeel Shade™19°

Max UV Index2.0 (Low)

WindNW 6 mph

Tue 2/3

20° /5°
57%
Periods of snow

RealFeel®6°

RealFeel Shade™6°

Max UV Index1.0 (Low)

WindWSW 13 mph

Wed 2/4

21° /3°
20%
Plenty of sunshine

RealFeel®21°

RealFeel Shade™19°

Max UV Index2.0 (Low)

WindNW 8 mph

Thu 2/5

21° /13°
57%
Snow at times

RealFeel®16°

RealFeel Shade™16°

Max UV Index1.0 (Low)

WindS 8 mph

Fri 2/6

31° /19°
25%
Mostly cloudy and not as cold

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindSSE 6 mph

Sat 2/7

34° /15°
65%
Periods of snow mixing with rain

RealFeel®33°

RealFeel Shade™33°

Max UV Index1.0 (Low)

WindWSW 6 mph

Sun 2/8

33° /4°
25%
Rather cloudy

RealFeel®21°

RealFeel Shade™21°

Max UV Index2.0 (Low)

WindWNW 15 mph

Mon 2/9

20° /4°
20%
Turning cloudy

RealFeel®22°

RealFeel Shade™19°

Max UV Index3.0 (Moderate)

WindNNE 5 mph

Tue 2/10

21° /5°
25%
Partly sunny

RealFeel®15°

RealFeel Shade™12°

Max UV Index3.0 (Moderate)

WindNW 8 mph

Wed 2/11

20° /4°
25%
After a cloudy start, sun returns

RealFeel®8°

RealFeel Shade™6°

Max UV Index3.0 (Moderate)

WindWNW 13 mph

Thu 2/12

20° /4°
20%
Abundant sunshine

RealFeel®12°

RealFeel Shade™9°

Max UV Index3.0 (Moderate)

WindW 10 mph

Fri 2/13

22° /12°
57%
Periods of snow

RealFeel®7°

RealFeel Shade™7°

Max UV Index1.0 (Low)

WindE 9 mph

Sat 2/14

34° /20°
25%
Cloudy and not as cold

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindNW 8 mph

Sun 2/15

32° /21°
25%
Cloudy

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindENE 12 mph

Mon 2/16

32° /21°
69%
Sleet and freezing rain

RealFeel®17°

RealFeel Shade™17°

Max UV Index1.0 (Low)

WindE 16 mph

Tue 2/17

38° /20°
25%
Windy with clouds and intervals of sunshine

RealFeel®23°

RealFeel Shade™23°

Max UV Index2.0 (Low)

WindWSW 20 mph

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World North America Canada Ontario Castleton

Weather Near Castleton:

  • Markham, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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