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Sudbury, MA

73°F
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Sudbury

Massachusetts

73°
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Sudbury, MA Weather
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Today

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 Daily Radar MinuteCast Monthly Air Quality Health & Activities

9 AM

72°
RealFeel® 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
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™76°

WindN 4 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts6 mph

Humidity100%

Indoor Humidity95% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility2 mi

Cloud Ceiling33300 ft

10 AM

74°
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 0%
Chevron down
Mostly sunny

RealFeel Shade™78°

WindNNE 5 mph

Air QualityPoor

Max UV Index4 (Moderate)

Wind Gusts6 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover21%

Visibility4 mi

Cloud Ceiling30000 ft

11 AM

78°
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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™81°

WindNNE 5 mph

Air QualityPoor

Max UV Index6 (High)

Wind Gusts6 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

82°
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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™84°

WindN 5 mph

Air QualityPoor

Max UV Index8 (Very High)

Wind Gusts6 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

87°
RealFeel® 100°
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 Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™88°

WindNW 5 mph

Air QualityPoor

Max UV Index9 (Very High)

Wind Gusts6 mph

Humidity53%

Indoor Humidity53% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

88°
RealFeel® 100°
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 Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™89°

WindWNW 5 mph

Air QualityPoor

Max UV Index8 (Very High)

Wind Gusts6 mph

Humidity49%

Indoor Humidity49% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

89°
RealFeel® 98°
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 Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™90°

WindWNW 6 mph

Air QualityPoor

Max UV Index6 (High)

Wind Gusts7 mph

Humidity46%

Indoor Humidity46% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™90°

WindWNW 6 mph

Air QualityPoor

Max UV Index4 (Moderate)

Wind Gusts7 mph

Humidity44%

Indoor Humidity44% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

89°
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 Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™89°

WindWNW 6 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts7 mph

Humidity45%

Indoor Humidity45% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

88°
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%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™88°

WindWNW 6 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts7 mph

Humidity48%

Indoor Humidity48% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

85°
RealFeel® 87°
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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™86°

WindW 5 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts6 mph

Humidity55%

Indoor Humidity55% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

81°
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 0%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

RealFeel Shade™84°

WindSSW 4 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts5 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

WindSW 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

WindSW 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Heat Advisory

11:00 AM Monday - 8:00 PM Wednesday

WindSW 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Massachusetts Sudbury

Weather Near Sudbury:

  • Boston, MA
  • Dorchester, MA
  • Worcester, MA
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