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Castleton, Ontario

20°F
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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
Today WinterCast Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, January 19

Day

1/19
27°Hi
RealFeel® 14°
Bitterly Cold
RealFeel Guide
Bitterly Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
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RealFeel Shade™ 13°
Bitterly Cold
RealFeel Guide
Bitterly Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Very windy; snow and flurries this morning with little or no accumulation; otherwise, cloudy; winds will be locally damaging
alerts

Yellow Warning - Snow Squall

9:15 AM Monday - 12:00 AM Tuesday

Max UV Index1.0 (Low)

AccuLumen Brightness Index™1 (Dark)

WindSW 23 mph

Wind Gusts53 mph

Probability of Precipitation65%

Probability of Thunderstorms3%

Precipitation0.02 in

Snow0.05 in

Hours of Precipitation5

Cloud Cover94%

Morning

Afternoon

Night

1/19
6°Lo
RealFeel® -14°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
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Strong winds subsiding; intermittent snow and flurries this evening with little or no accumulation; otherwise, mostly cloudy
alerts

Yellow Warning - Snow Squall

9:15 AM Monday - 12:00 AM Tuesday

WindW 18 mph

Wind Gusts40 mph

Probability of Precipitation65%

Probability of Thunderstorms0%

Precipitation0.00 in

Snow0.09 in

Hours of Precipitation3

Cloud Cover76%

Evening

Overnight

Sun & Moon

9 hrs 24 mins
Rise 7:40 AM
Set 5:04 PM
Waxing Crescent
Rise 8:27 AM
Set 5:59 PM

Temperature History

1/19
High
Low
Forecast
27°
6°
Average
30°
18°
Last Year
21°
11°

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Weather Near Castleton:

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