Princeton, NJ

Hourly

12 PM

79° 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% Sunny

• RealFeel Shade™: 77°
• Wind: NNE 6 mph
• Air Quality: Fair
• Max UV Index: 7.6 (Very High)
• Wind Gusts: 8 mph
• Humidity: 56%
• Indoor Humidity: 56% (Slightly Humid)
• Dew Point: 62° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 5%
• Visibility: 10 mi
• Cloud Ceiling: 33300 ft

1 PM

81° 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 0% Mostly sunny

• RealFeel Shade™: 79°
• Heat Index: 82°
• Wind: NNE 6 mph
• Air Quality: Fair
• Max UV Index: 8.3 (Very High)
• Wind Gusts: 7 mph
• Humidity: 51%
• Indoor Humidity: 51% (Slightly Humid)
• Dew Point: 61° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 10%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

83° 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 0% Mostly sunny

• RealFeel Shade™: 80°
• Heat Index: 83°
• Wind: N 6 mph
• Air Quality: Fair
• Max UV Index: 7.6 (Very High)
• Wind Gusts: 7 mph
• Humidity: 47%
• Indoor Humidity: 47% (Slightly Humid)
• Dew Point: 61° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 14%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

84° 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 0% Mostly sunny

• RealFeel Shade™: 82°
• Heat Index: 84°
• Wind: N 6 mph
• Air Quality: Fair
• Max UV Index: 5.7 (High)
• Wind Gusts: 7 mph
• Humidity: 44%
• Indoor Humidity: 44% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 16%
• Visibility: 10 mi
• Cloud Ceiling: 30000 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 0% Mostly sunny

• RealFeel Shade™: 83°
• Heat Index: 85°
• Wind: N 6 mph
• Air Quality: Fair
• Max UV Index: 4.1 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 42%
• Indoor Humidity: 42% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 19%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 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 0% Mostly sunny

• RealFeel Shade™: 82°
• Heat Index: 84°
• Wind: N 6 mph
• Air Quality: Fair
• Max UV Index: 2.7 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 43%
• Indoor Humidity: 43% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 27%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

82° 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 0% Partly sunny

• RealFeel Shade™: 80°
• Heat Index: 82°
• Wind: NNE 6 mph
• Air Quality: Fair
• Max UV Index: 1.7 (Low)
• Wind Gusts: 7 mph
• Humidity: 47%
• Indoor Humidity: 47% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 42%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

80° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Intermittent clouds

• RealFeel Shade™: 79°
• Heat Index: 80°
• Wind: ENE 6 mph
• Air Quality: Fair
• Max UV Index: 0.7 (Low)
• Wind Gusts: 6 mph
• Humidity: 52%
• Indoor Humidity: 52% (Slightly Humid)
• Dew Point: 61° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 58%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

76° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly cloudy

• Wind: ESE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 62%
• Indoor Humidity: 62% (Slightly Humid)
• Dew Point: 62° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 30%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

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

• Wind: SE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 70%
• Indoor Humidity: 70% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 35%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

71° RealFeel® 70° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly cloudy

• Wind: SSE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 80%
• Indoor Humidity: 80% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 40%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

68° RealFeel® 67° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly cloudy

• Wind: SSE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 90%
• Indoor Humidity: 88% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 37%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft