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Chelmsford, Ontario

81°F
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Chelmsford, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

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Winter Center
Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

11 AM

82°
RealFeel® 90°
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
rain drop 0%
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Mostly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™85°

WindSW 15 mph

Air QualityPoor

Max UV Index7 (High)

Wind Gusts27 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

85°
RealFeel® 93°
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
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™87°

WindSW 16 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts30 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

87°
RealFeel® 95°
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
rain drop 2%
Chevron down
Mostly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™89°

WindSW 17 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts30 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

89°
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
rain drop 10%
Chevron down
Mostly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™91°

WindSW 16 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts28 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

90°
RealFeel® 96°
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
rain drop 10%
Chevron down
Mostly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™91°

WindSW 16 mph

Air QualityPoor

Max UV Index7 (High)

Wind Gusts29 mph

Humidity54%

Indoor Humidity54% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

91°
RealFeel® 96°
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
rain drop 14%
Chevron down
Mostly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™92°

WindSW 16 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts30 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

90°
RealFeel® 93°
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
rain drop 43%
Chevron down
Mostly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™90°

WindSW 16 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts31 mph

Humidity52%

Indoor Humidity52% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

89°
RealFeel® 91°
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
rain drop 47%
Chevron down
Mostly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™89°

WindSW 15 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts29 mph

Humidity54%

Indoor Humidity54% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

86°
RealFeel® 86°
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
rain drop 51%
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Partly sunny w/ t-storms
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™85°

WindSW 14 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts27 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Rain0.05 in

Visibility5 mi

Cloud Ceiling30000 ft

8 PM

85°
RealFeel® 86°
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
rain drop 6%
Chevron down
Sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™86°

WindSW 13 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts25 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°
RealFeel® 84°
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
rain drop 3%
Chevron down
Partly sunny
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

RealFeel Shade™84°

WindWSW 13 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts24 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°
RealFeel® 82°
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
rain drop 3%
Chevron down
Intermittent clouds
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

WindWSW 12 mph

Air QualityPoor

Wind Gusts23 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Cloudy
alerts

Heat Warning

5:58 AM Monday - 3:00 AM Wednesday

WindWSW 10 mph

Air QualityPoor

Wind Gusts22 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling30000 ft

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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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