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Chelmsford, Ontario

79°F
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Monday, June 23

Current Weather

9:43 AM

79°F
Mostly sunny
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel Shade™ 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel®
88°
RealFeel Shade™
83°
Max UV Index
5 Moderate
Wind
SW 6 mph
Wind Gusts
14 mph
Humidity
76%
Indoor Humidity
76% (Very Humid)
Dew Point
71° F
Pressure
↑ 29.95 in
Cloud Cover
11%
Visibility
12 mi
Cloud Ceiling
40000 ft

Day

6/23
91°Hi
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Partly sunny, breezy and hot with a thunderstorm this afternoon; caution advised if doing strenuous activities outside
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

Max UV Index9 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 15 mph

Wind Gusts31 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.05 in

Rain0.05 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover22%

Morning

Afternoon

Night

6/23
68°Lo
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy, warm and humid
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

WindWSW 8 mph

Wind Gusts25 mph

Probability of Precipitation6%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover35%

Evening

Overnight

Sun & Moon

15 hrs 50 mins
Rise 5:31 AM
Set 9:21 PM
Waning Crescent
Rise 3:17 AM
Set 8:09 PM

Temperature History

6/23
High
Low
Forecast
91°
68°
Average
73°
52°
Last Year
66°
56°

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World North America Canada Ontario Chelmsford

Weather Near Chelmsford:

  • Barrie, Ontario
  • Greater Sudbury, Ontario
  • Rouyn-Noranda, Quebec
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