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Weather for Port Jefferson, New York
current weather conditions

  Current weather conditions for
   Port Jefferson, New York


clear sky 		63 °F
[17 °C]
Feels Like
63 °F / 17 °C
Wind: 0 mph
Dew Point: 54 °F / 12 °C
Humidity: 72%
Pressure: 30.14 inches
Visibility: 10 miles
  Updated at 06/19/2013 10:56 pm ET
observed temperature & rain for most recent 5 days
36-hour weather forecast
Tonight Tomorrow Tomorrow Night

clear sky

Overnight Low
 54 °F (12 °C)
wind: 6 mph
humidity: 68%
precip: 10% chance
Tstorm: 0% chance


clear sky

High
 77 °F (25 °C)
wind: 12 mph
humidity: 64%
precip: 10% chance
Tstorm: 0% chance


clear sky

Overnight Low
 57 °F (14 °C)
wind: 8 mph
humidity: 68%
precip: 10% chance
Tstorm: 0% chance

observed daily cooling degree day for current month

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7-day weather forecast
Thu, Jun 20 Fri, Jun 21 Sat, Jun 22 Sun, Jun 23 Mon, Jun 24 Tue, Jun 25 Wed, Jun 26

clear sky
54 °F ~ 77 °F
 (12 °C ~ 25 °C)
Power Demand:
95%

partly cloudy
57 °F ~ 79 °F
 (14 °C ~ 26 °C)
Power Demand:
98%

partly cloudy
57 °F ~ 81 °F
 (14 °C ~ 27 °C)
Power Demand:
102%

partly cloudy
63 °F ~ 84 °F
 (17 °C ~ 29 °C)
Power Demand:
107%

partly cloudy
67 °F ~ 85 °F
 (19 °C ~ 29 °C)
Power Demand:
109%

partly cloudy
67 °F ~ 82 °F
 (19 °C ~ 28 °C)
Power Demand:
106%

partly cloudy
68 °F ~ 81 °F
 (20 °C ~ 27 °C)
Power Demand:
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Note: Power demand forecast is made relative to the Normal. See a graphical form of the power demand forecast.