Port Jefferson, NY

Hourly

11 AM

44° RealFeel® 44° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Intermittent clouds

• RealFeel Shade™: 41°
• Wind: NNE 7 mph
• Air Quality: Fair
• Max UV Index: 1.6 (Low)
• Wind Gusts: 8 mph
• Humidity: 65%
• Indoor Humidity: 41% (Slightly Dry)
• Dew Point: 33° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 73%
• Visibility: 10 mi
• Cloud Ceiling: 22400 ft

12 PM

45° RealFeel® 46° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly cloudy

• RealFeel Shade™: 42°
• Wind: NNE 6 mph
• Air Quality: Fair
• Max UV Index: 1.9 (Low)
• Wind Gusts: 9 mph
• Humidity: 60%
• Indoor Humidity: 41% (Slightly Dry)
• Dew Point: 32° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 76%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

1 PM

46° RealFeel® 47° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly cloudy

• RealFeel Shade™: 44°
• Wind: N 6 mph
• Air Quality: Fair
• Max UV Index: 1.6 (Low)
• Wind Gusts: 7 mph
• Humidity: 52%
• Indoor Humidity: 38% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 80%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

47° RealFeel® 49° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Intermittent clouds

• RealFeel Shade™: 45°
• Wind: N 6 mph
• Air Quality: Fair
• Max UV Index: 1.8 (Low)
• Wind Gusts: 7 mph
• Humidity: 50%
• Indoor Humidity: 38% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 64%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

46° RealFeel® 48° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Partly sunny

• RealFeel Shade™: 45°
• Wind: NNE 5 mph
• Air Quality: Fair
• Max UV Index: 1.3 (Low)
• Wind Gusts: 6 mph
• Humidity: 52%
• Indoor Humidity: 38% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 48%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

45° RealFeel® 46° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Partly sunny

• RealFeel Shade™: 46°
• Wind: NNE 5 mph
• Air Quality: Poor
• Max UV Index: 0.6 (Low)
• Wind Gusts: 6 mph
• Humidity: 55%
• Indoor Humidity: 38% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 32%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

43° RealFeel® 44° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly clear

• Wind: ENE 4 mph
• Air Quality: Poor
• Wind Gusts: 5 mph
• Humidity: 60%
• Indoor Humidity: 39% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 16%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

41° RealFeel® 42° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Clear

• Wind: ESE 4 mph
• Air Quality: Poor
• Wind Gusts: 4 mph
• Humidity: 66%
• Indoor Humidity: 39% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

39° RealFeel® 40° Chilly RealFeel Guide Chilly 40° to 52° Jacket or sweater is recommended. LEARN MORE 0% Mostly clear

• Wind: ESE 4 mph
• Air Quality: Poor
• Wind Gusts: 4 mph
• Humidity: 67%
• Indoor Humidity: 38% (Dry)
• Dew Point: 29° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

36° RealFeel® 38° Cold RealFeel Guide Cold 25° to 39° Coats and hats are appropriate, consider gloves and a scarf. LEARN MORE 0% Mostly clear

• Wind: SE 4 mph
• Air Quality: Poor
• Wind Gusts: 4 mph
• Humidity: 76%
• Indoor Humidity: 38% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

33° RealFeel® 34° Cold RealFeel Guide Cold 25° to 39° Coats and hats are appropriate, consider gloves and a scarf. LEARN MORE 0% Mostly clear

• Wind: SSE 4 mph
• Air Quality: Poor
• Wind Gusts: 4 mph
• Humidity: 86%
• Indoor Humidity: 38% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

31° RealFeel® 32° Cold RealFeel Guide Cold 25° to 39° Coats and hats are appropriate, consider gloves and a scarf. LEARN MORE 0% Mostly clear

• Wind: S 4 mph
• Air Quality: Poor
• Wind Gusts: 5 mph
• Humidity: 95%
• Indoor Humidity: 38% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

33° RealFeel® 34° Cold RealFeel Guide Cold 25° to 39° Coats and hats are appropriate, consider gloves and a scarf. LEARN MORE 0% Mostly clear

• Wind: SSW 4 mph
• Air Quality: Poor
• Wind Gusts: 5 mph
• Humidity: 87%
• Indoor Humidity: 39% (Slightly Dry)
• Dew Point: 30° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft