Princeton, NJ

Hourly

12 PM

80° 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 49% Cloudy

• RealFeel Shade™: 83°
• Heat Index: 84°
• Wind: NE 8 mph
• Air Quality: Fair
• Max UV Index: 3.3 (Moderate)
• Wind Gusts: 10 mph
• Humidity: 70%
• Indoor Humidity: 70% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 91%
• Visibility: 10 mi
• Cloud Ceiling: 7600 ft

1 PM

81° 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 55% Showers

• RealFeel Shade™: 81°
• Heat Index: 84°
• Wind: ENE 7 mph
• Air Quality: Fair
• Max UV Index: 4.1 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 69%
• Indoor Humidity: 69% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 82%
• Visibility: 10 mi
• Cloud Ceiling: 8500 ft

2 PM

81° 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 43% Intermittent clouds

• RealFeel Shade™: 83°
• Heat Index: 85°
• Wind: ENE 7 mph
• Air Quality: Fair
• Max UV Index: 5.1 (Moderate)
• Wind Gusts: 10 mph
• Humidity: 67%
• Indoor Humidity: 67% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 9300 ft

3 PM

80° 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 51% Mostly cloudy w/ t-storms

• RealFeel Shade™: 80°
• Heat Index: 84°
• Wind: ENE 8 mph
• Air Quality: Fair
• Max UV Index: 3.0 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 71%
• Indoor Humidity: 71% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 4000 ft

4 PM

80° RealFeel® 85° 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 47% Intermittent clouds

• RealFeel Shade™: 82°
• Heat Index: 83°
• Wind: E 8 mph
• Air Quality: Fair
• Max UV Index: 2.8 (Moderate)
• Wind Gusts: 12 mph
• Humidity: 70%
• Indoor Humidity: 70% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 12900 ft

5 PM

79° 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 33% Intermittent clouds

• RealFeel Shade™: 80°
• Heat Index: 80°
• Wind: E 8 mph
• Air Quality: Fair
• Max UV Index: 2.1 (Low)
• Wind Gusts: 10 mph
• Humidity: 71%
• Indoor Humidity: 71% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 14700 ft

6 PM

78° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 33% Intermittent clouds

• RealFeel Shade™: 79°
• Wind: E 8 mph
• Air Quality: Fair
• Max UV Index: 1.3 (Low)
• Wind Gusts: 9 mph
• Humidity: 72%
• Indoor Humidity: 72% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 14700 ft

7 PM

76° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 36% Intermittent clouds

• RealFeel Shade™: 78°
• Wind: E 7 mph
• Air Quality: Fair
• Max UV Index: 0.7 (Low)
• Wind Gusts: 8 mph
• Humidity: 77%
• Indoor Humidity: 77% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 14700 ft

8 PM

74° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 43% Partly sunny

• RealFeel Shade™: 75°
• Wind: ENE 6 mph
• Air Quality: Fair
• Max UV Index: 0.3 (Low)
• Wind Gusts: 6 mph
• Humidity: 82%
• Indoor Humidity: 82% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

71° RealFeel® 73° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 47% Partly cloudy

• Wind: ENE 6 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 87%
• Indoor Humidity: 87% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

69° RealFeel® 68° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 51% Partly cloudy w/ t-storms

• Wind: NE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 93%
• Indoor Humidity: 93% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 30000 ft

11 PM

67° RealFeel® 68° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 40% Partly cloudy

• Wind: NE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 98%
• Indoor Humidity: 96% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft