Sudbury, MA

Hourly

1 PM

87° 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 8% Partly sunny

• RealFeel Shade™: 87°
• Heat Index: 90°
• Wind: NNW 8 mph
• Air Quality: Fair
• Max UV Index: 10.0 (Very High)
• Wind Gusts: 14 mph
• Humidity: 51%
• Indoor Humidity: 51% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

88° 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 43% Partly sunny

• RealFeel Shade™: 87°
• Heat Index: 90°
• Wind: NNW 9 mph
• Air Quality: Fair
• Max UV Index: 9.1 (Very High)
• Wind Gusts: 14 mph
• Humidity: 49%
• Indoor Humidity: 49% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

87° RealFeel® 94° 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 47% Partly sunny

• RealFeel Shade™: 86°
• Heat Index: 89°
• Wind: NNW 8 mph
• Air Quality: Fair
• Max UV Index: 7.0 (High)
• Wind Gusts: 13 mph
• Humidity: 50%
• Indoor Humidity: 50% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 29900 ft

4 PM

86° RealFeel® 89° 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 51% Partly sunny w/ t-storms

• RealFeel Shade™: 83°
• Heat Index: 88°
• Wind: NW 7 mph
• Air Quality: Fair
• Max UV Index: 4.7 (Moderate)
• Wind Gusts: 13 mph
• Humidity: 52%
• Indoor Humidity: 52% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 29900 ft

5 PM

85° RealFeel® 89° 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 24% Partly sunny

• RealFeel Shade™: 85°
• Heat Index: 87°
• Wind: NW 7 mph
• Air Quality: Fair
• Max UV Index: 3.3 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 53%
• Indoor Humidity: 53% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 29900 ft

6 PM

84° 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 19% Partly sunny

• RealFeel Shade™: 83°
• Heat Index: 86°
• Wind: NW 7 mph
• Air Quality: Fair
• Max UV Index: 2.1 (Low)
• Wind Gusts: 7 mph
• Humidity: 55%
• Indoor Humidity: 55% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 29900 ft

7 PM

82° 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 13% Partly sunny

• RealFeel Shade™: 81°
• Heat Index: 84°
• Wind: N 6 mph
• Air Quality: Fair
• Max UV Index: 1.2 (Low)
• Wind Gusts: 7 mph
• Humidity: 58%
• Indoor Humidity: 58% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 29900 ft

8 PM

79° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 2% Mostly cloudy

• RealFeel Shade™: 78°
• Wind: NNW 6 mph
• Air Quality: Fair
• Max UV Index: 0.2 (Low)
• Wind Gusts: 6 mph
• Humidity: 62%
• Indoor Humidity: 62% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 76%
• Visibility: 10 mi
• Cloud Ceiling: 21600 ft

9 PM

76° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 2% Mostly cloudy

• Wind: N 6 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 67%
• Indoor Humidity: 67% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 79%
• Visibility: 10 mi
• Cloud Ceiling: 24400 ft

10 PM

73° RealFeel® 72° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 2% Mostly cloudy

• Wind: NNW 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 73%
• Indoor Humidity: 73% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 87%
• Visibility: 10 mi
• Cloud Ceiling: 27200 ft

11 PM

70° RealFeel® 69° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 2% Mostly cloudy

• Wind: N 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 78%
• Indoor Humidity: 78% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 89%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft