Cold Spring Harbor, NY

Hourly

12 AM

56° RealFeel® 50° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 59% Thunderstorms

• Wind: ESE 8 mph
• Air Quality: Fair
• Wind Gusts: 15 mph
• Humidity: 74%
• Indoor Humidity: 49% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 99%
• Rain: 0.05 in
• Visibility: 5 mi
• Cloud Ceiling: 2600 ft

1 AM

57° RealFeel® 51° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 59% Thunderstorms

• Wind: SE 7 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 80%
• Indoor Humidity: 54% (Ideal Humidity)
• Dew Point: 51° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 99%
• Rain: 0.05 in
• Visibility: 5 mi
• Cloud Ceiling: 1900 ft

2 AM

57° RealFeel® 52° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 64% Thunderstorms

• Wind: SE 7 mph
• Air Quality: Fair
• Wind Gusts: 17 mph
• Humidity: 86%
• Indoor Humidity: 59% (Ideal Humidity)
• Dew Point: 53° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 99%
• Rain: 0.05 in
• Visibility: 4 mi
• Cloud Ceiling: 1800 ft

3 AM

58° RealFeel® 55° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 49% Fog

• Wind: SE 7 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 88%
• Indoor Humidity: 62% (Ideal Humidity)
• Dew Point: 54° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 99%
• Visibility: 2 mi
• Cloud Ceiling: 1500 ft

4 AM

58° RealFeel® 53° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 64% Thunderstorms

• Wind: SE 6 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 90%
• Indoor Humidity: 63% (Ideal Humidity)
• Dew Point: 55° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 99%
• Rain: 0.05 in
• Visibility: 1.00 mi
• Cloud Ceiling: 1000 ft

5 AM

58° RealFeel® 55° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 40% Fog

• Wind: SSE 6 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 91%
• Indoor Humidity: 64% (Ideal Humidity)
• Dew Point: 55° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 100%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

6 AM

58° RealFeel® 56° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 34% Fog

• RealFeel Shade™: 56°
• Wind: SSE 6 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 15 mph
• Humidity: 91%
• Indoor Humidity: 65% (Slightly Humid)
• Dew Point: 56° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 95%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

7 AM

59° RealFeel® 57° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 29% Fog

• RealFeel Shade™: 57°
• Wind: S 6 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 15 mph
• Humidity: 90%
• Indoor Humidity: 65% (Slightly Humid)
• Dew Point: 56° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

8 AM

60° RealFeel® 56° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 23% Fog

• RealFeel Shade™: 54°
• Wind: SSW 13 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 24 mph
• Humidity: 88%
• Indoor Humidity: 66% (Slightly Humid)
• Dew Point: 56° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 0.50 mi
• Cloud Ceiling: 30000 ft

9 AM

62° RealFeel® 58° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 23% Fog

• RealFeel Shade™: 56°
• Wind: SSW 14 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 25 mph
• Humidity: 84%
• Indoor Humidity: 68% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 53%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

10 AM

65° RealFeel® 62° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 22% Fog

• RealFeel Shade™: 60°
• Wind: SW 14 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 27 mph
• Humidity: 78%
• Indoor Humidity: 70% (Slightly Humid)
• Dew Point: 58° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 0.50 mi
• Cloud Ceiling: 500 ft

11 AM

68° RealFeel® 66° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 20% Fog

• RealFeel Shade™: 63°
• Wind: SW 15 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 28 mph
• Humidity: 72%
• Indoor Humidity: 72% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 1.00 mi
• Cloud Ceiling: 1000 ft

12 PM

71° RealFeel® 70° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 20% Fog

• RealFeel Shade™: 66°
• Wind: SSW 16 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 30 mph
• Humidity: 65%
• Indoor Humidity: 65% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 2 mi
• Cloud Ceiling: 1500 ft

1 PM

74° RealFeel® 74° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 17% Fog

• RealFeel Shade™: 70°
• Wind: SSW 17 mph
• Air Quality: Fair
• Max UV Index: 4 (Moderate)
• Wind Gusts: 31 mph
• Humidity: 59%
• Indoor Humidity: 59% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 4 mi
• Cloud Ceiling: 2000 ft

2 PM

77° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 10% Intermittent clouds

• RealFeel Shade™: 73°
• Wind: SSW 14 mph
• Air Quality: Fair
• Max UV Index: 7 (High)
• Wind Gusts: 25 mph
• Humidity: 54%
• Indoor Humidity: 54% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

76° RealFeel® 77° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 10% Intermittent clouds

• RealFeel Shade™: 72°
• Wind: SSW 15 mph
• Air Quality: Poor
• Max UV Index: 5 (Moderate)
• Wind Gusts: 27 mph
• Humidity: 56%
• Indoor Humidity: 56% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

75° RealFeel® 74° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 14% Intermittent clouds

• RealFeel Shade™: 71°
• Wind: S 15 mph
• Air Quality: Poor
• Max UV Index: 3 (Moderate)
• Wind Gusts: 28 mph
• Humidity: 58%
• Indoor Humidity: 58% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 24300 ft

5 PM

73° RealFeel® 67° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 51% Mostly cloudy w/ t-storms

• RealFeel Shade™: 66°
• Wind: S 15 mph
• Air Quality: Poor
• Max UV Index: 1 (Low)
• Wind Gusts: 29 mph
• Humidity: 66%
• Indoor Humidity: 66% (Slightly Humid)
• Dew Point: 61° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Rain: 0.04 in
• Visibility: 7 mi
• Cloud Ceiling: 4000 ft

6 PM

72° RealFeel® 70° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 47% Intermittent clouds

• RealFeel Shade™: 68°
• Wind: S 15 mph
• Air Quality: Poor
• Max UV Index: 1 (Low)
• Wind Gusts: 28 mph
• Humidity: 65%
• Indoor Humidity: 65% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 24300 ft

7 PM

70° RealFeel® 67° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 40% Intermittent clouds

• RealFeel Shade™: 67°
• Wind: S 14 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 25 mph
• Humidity: 66%
• Indoor Humidity: 66% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 3 (Dull)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 24300 ft

8 PM

68° RealFeel® 65° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 32% Partly cloudy

• Wind: S 9 mph
• Air Quality: Fair
• Wind Gusts: 22 mph
• Humidity: 68%
• Indoor Humidity: 68% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

67° RealFeel® 64° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 32% Partly cloudy

• Wind: S 8 mph
• Air Quality: Fair
• Wind Gusts: 21 mph
• Humidity: 71%
• Indoor Humidity: 68% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

65° RealFeel® 62° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 36% Partly cloudy

• Wind: S 8 mph
• Air Quality: Fair
• Wind Gusts: 21 mph
• Humidity: 75%
• Indoor Humidity: 68% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 44%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

65° RealFeel® 62° Cool RealFeel Guide Cool 53° to 62° Light jacket or sweater may be appropriate. LEARN MORE 47% Partly cloudy

• Wind: SSW 8 mph
• Air Quality: Fair
• Wind Gusts: 21 mph
• Humidity: 76%
• Indoor Humidity: 68% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 30%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft