Herndon, Pennsylvania
Current Conditions -  °F | °C
As of 10:53 PM on Wednesday 27 Aug 2014 (Local Time) from KSEG Reporting Station
Overcast Overcast  
Wind Chill: 71°   Ceiling: 5000
Heat Index: 71°   Visibility: 10mi
Dew Point: 68°   Wind: 0mph
Humidity: 90%   Direction: NA
Pressure: 29.96"   Gusts: NA
Location:  40.71°N, 76.84°W
Report Text: KSEG 280253Z AUTO 00000KT 10SM FEW036 BKN050 OVC085 22/20 A2996 RMK AO2 SLP142 T02170200 53016
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 86° - Lo 58°
12 AM
Clear
Clear
68°
1 AM
Clear
Clear
67°
2 AM
Clear
Clear
65°
3 AM
Clear
Clear
64°
4 AM
Clear
Clear
62°
5 AM
Clear
Clear
61°
Weather Maps
Daily Forecast -  °F | °C
wed thu fri sat sun mon tue wed thu fri
aug
27
Clear
Clear
86°
58°
aug
28
Sunny
Sunny
78°
50°
aug
29
M Sunny
M Sunny
79°
57°
aug
30
P Cloudy
P Cloudy
84°
68°
aug
31
PM T-Storms
PM T-Storms
86°
67°
sep
01
AM T-Storms
AM T-Storms
87°
67°
sep
02
Sct T-Storms
Sct T-Storms
88°
66°
sep
03
Sunny
Sunny
84°
58°
sep
04
Sunny
Sunny
84°
58°
sep
05
Sunny
Sunny
82°
57°
Details for Wednesday, August 27 (Evening)
Evening: Clear skies. Low 58F. Winds light and variable.
UV Index: 0 (Low)
Ultraviolet Radiation Index
Relative Humidity: 92%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 8%
Cloud Coverage
Sunrise: 6:29 AM
Sunset: 7:48 PM
 
Moonrise: 8:24 AM
Moonset: 8:37 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  N
Direction: N (349°)
Speed: 4Mph(7Km, 5Kts)
Details for Thursday, August 28
Sunny skies. High 78F. Winds NNW at 5 to 10 mph.
Evening: Mostly clear skies. Low near 50F. Winds light and variable.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 4%
Cloud Coverage
Sunrise: 6:30 AM
Sunset: 7:46 PM
 
Moonrise: 9:22 AM
Moonset: 9:07 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NNW
Direction: NNW (339°)
Speed: 9Mph(15Km, 11Kts)
Details for Friday, August 29
A few clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 24%
Cloud Coverage
Sunrise: 6:31 AM
Sunset: 7:44 PM
 
Moonrise: 10:20 AM
Moonset: 9:38 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  E
Direction: E (90°)
Speed: 3Mph(4Km, 3Kts)
Details for Saturday, August 30
Mix of sun and clouds. Highs in the mid 80s and lows in the upper 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 34%
Cloud Coverage
Sunrise: 6:32 AM
Sunset: 7:43 PM
 
Moonrise: 11:19 AM
Moonset: 10:12 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (169°)
Speed: 8Mph(13Km, 9Kts)
Details for Sunday, August 31
Showers and thunderstorms late. Highs in the mid 80s and lows in the upper 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 80%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 63%
Cloud Coverage
Sunrise: 6:33 AM
Sunset: 7:41 PM
 
Moonrise: 12:19 PM
Moonset: 10:51 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSW
Direction: SSW (210°)
Speed: 7Mph(11Km, 8Kts)
Details for Monday, September 01
Morning thunderstorms. Highs in the upper 80s and lows in the upper 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 80%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 59%
Cloud Coverage
Sunrise: 6:34 AM
Sunset: 7:40 PM
 
Moonrise: 1:20 PM
Moonset: 11:36 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WSW
Direction: WSW (252°)
Speed: 5Mph(8Km, 6Kts)
Details for Tuesday, September 02
Scattered thunderstorms. Highs in the upper 80s and lows in the mid 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 79%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 54%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 7:38 PM
 
Moonrise: 2:19 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  WSW
Direction: WSW (245°)
Speed: 7Mph(11Km, 8Kts)
Details for Wednesday, September 03
Mainly sunny. Highs in the mid 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 6:36 AM
Sunset: 7:36 PM
 
Moonrise: 3:17 PM
Moonset: 12:26 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NW
Direction: NW (326°)
Speed: 5Mph(9Km, 6Kts)
Details for Thursday, September 04
Abundant sunshine. Highs in the mid 80s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 6:37 AM
Sunset: 7:35 PM
 
Moonrise: 4:11 PM
Moonset: 1:24 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NW
Direction: NW (312°)
Speed: 3Mph(5Km, 4Kts)
Details for Friday, September 05
Sunny. Highs in the low 80s and lows in the upper 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 5%
Cloud Coverage
Sunrise: 6:38 AM
Sunset: 7:33 PM
 
Moonrise: 5:01 PM
Moonset: 2:28 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNW
Direction: NNW (330°)
Speed: 3Mph(5Km, 4Kts)
Daily Forecast Chart
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