Nassau, NY

Hourly

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 0% Mostly sunny

• RealFeel Shade™: 84°
• Heat Index: 86°
• Wind: NNW 6 mph
• Air Quality: Fair
• Max UV Index: 10.2 (Very High)
• Wind Gusts: 7 mph
• Humidity: 36%
• Indoor Humidity: 36% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 19%
• Visibility: 10 mi
• Cloud Ceiling: 33400 ft

2 PM

88° 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 0% Mostly sunny

• RealFeel Shade™: 86°
• Heat Index: 86°
• Wind: NNW 7 mph
• Air Quality: Fair
• Max UV Index: 9.3 (Very High)
• Wind Gusts: 10 mph
• Humidity: 32%
• Indoor Humidity: 32% (Ideal Humidity)
• Dew Point: 55° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

89° 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 0% Mostly sunny

• RealFeel Shade™: 87°
• Heat Index: 87°
• Wind: NNW 7 mph
• Air Quality: Fair
• Max UV Index: 7.2 (High)
• Wind Gusts: 10 mph
• Humidity: 30%
• Indoor Humidity: 30% (Ideal Humidity)
• Dew Point: 54° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

90° 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 0% Mostly sunny

• RealFeel Shade™: 88°
• Heat Index: 88°
• Wind: NW 7 mph
• Air Quality: Fair
• Max UV Index: 4.8 (Moderate)
• Wind Gusts: 9 mph
• Humidity: 28%
• Indoor Humidity: 28% (Ideal Humidity)
• Dew Point: 53° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 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 0% Mostly sunny

• RealFeel Shade™: 86°
• Heat Index: 86°
• Wind: NW 7 mph
• Air Quality: Fair
• Max UV Index: 3.4 (Moderate)
• Wind Gusts: 8 mph
• Humidity: 29%
• Indoor Humidity: 29% (Ideal Humidity)
• Dew Point: 53° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

86° 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 0% Mostly sunny

• RealFeel Shade™: 84°
• Heat Index: 84°
• Wind: NW 6 mph
• Air Quality: Fair
• Max UV Index: 2.2 (Low)
• Wind Gusts: 7 mph
• Humidity: 33%
• Indoor Humidity: 33% (Ideal Humidity)
• Dew Point: 54° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

84° 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 0% Mostly sunny

• RealFeel Shade™: 82°
• Heat Index: 83°
• Wind: NW 5 mph
• Air Quality: Fair
• Max UV Index: 1.3 (Low)
• Wind Gusts: 5 mph
• Humidity: 39%
• Indoor Humidity: 39% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

80° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly sunny

• RealFeel Shade™: 80°
• Heat Index: 81°
• Wind: NE 4 mph
• Air Quality: Fair
• Max UV Index: 0.4 (Low)
• Wind Gusts: 4 mph
• Humidity: 48%
• Indoor Humidity: 48% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 3 (Dull)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

77° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: E 4 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 55%
• Indoor Humidity: 55% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 20%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

73° RealFeel® 71° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: SE 5 mph
• Air Quality: Fair
• Wind Gusts: 5 mph
• Humidity: 63%
• Indoor Humidity: 63% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 14%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

70° RealFeel® 68° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: SE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 68%
• Indoor Humidity: 68% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 10%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft