Londonderry, Pennsylvania
Current Conditions -  °F | °C
As of 10:56 AM on Wednesday 17 Sep 2014 (Local Time) from KMDT Reporting Station
Clear Clear  
Wind Chill: 68°   Ceiling: Unl
Heat Index: 68°   Visibility: 10mi
Dew Point: 49°   Wind: 0mph
Humidity: 50%   Direction: NA
Pressure: 30.06"   Gusts: NA
Location:  40.1873°N, 76.6948°W
Report Text: KMDT 171456Z 00000KT 10SM CLR 20/09 A3006 RMK AO2 SLP180 T02000094 58002
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 73° - Lo 55°
12 PM
Sunny
Sunny
68°
1 PM
Sunny
Sunny
70°
2 PM
M Sunny
M Sunny
71°
3 PM
Sunny
Sunny
72°
4 PM
Sunny
Sunny
72°
5 PM
Sunny
Sunny
72°
Weather Maps
Daily Forecast -  °F | °C
wed thu fri sat sun mon tue wed thu fri
sep
17
Sunny
Sunny
73°
55°
sep
18
M Sunny
M Sunny
74°
49°
sep
19
M Sunny
M Sunny
71°
55°
sep
20
P Cloudy
P Cloudy
79°
61°
sep
21
P Cloudy
P Cloudy
86°
62°
sep
22
PM Showers
PM Showers
73°
51°
sep
23
M Sunny
M Sunny
70°
47°
sep
24
Sunny
Sunny
67°
45°
sep
25
Sunny
Sunny
69°
48°
sep
26
M Sunny
M Sunny
72°
53°
Details for Wednesday, September 17
Sunny. High 73F. Winds light and variable.
Evening: Clear to partly cloudy. Low around 55F. Winds light and variable.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 45%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 14%
Cloud Coverage
Sunrise: 6:49 AM
Sunset: 7:12 PM
 
Moonrise: 12:47 AM
Moonset: 3:20 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  W
Direction: W (269°)
Speed: 4Mph(6Km, 4Kts)
Details for Thursday, September 18
Sunshine along with some cloudy intervals. High 74F. Winds NNW at 5 to 10 mph.
Evening: A mostly clear sky. Low 49F. Winds N at 5 to 10 mph.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 32%
Cloud Coverage
Sunrise: 6:50 AM
Sunset: 7:10 PM
 
Moonrise: 1:40 AM
Moonset: 4:00 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNW
Direction: NNW (336°)
Speed: 7Mph(12Km, 8Kts)
Details for Friday, September 19
More sun than clouds. Highs in the low 70s and lows in the mid 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 6:51 AM
Sunset: 7:09 PM
 
Moonrise: 2:34 AM
Moonset: 4:36 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  E
Direction: E (96°)
Speed: 6Mph(10Km, 7Kts)
Details for Saturday, September 20
Mix of sun and clouds. Highs in the upper 70s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 59%
Cloud Coverage
Sunrise: 6:52 AM
Sunset: 7:07 PM
 
Moonrise: 3:30 AM
Moonset: 5:09 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  S
Direction: S (185°)
Speed: 10Mph(16Km, 12Kts)
Details for Sunday, September 21
Mix of sun and clouds. Highs in the mid 80s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 42%
Cloud Coverage
Sunrise: 6:53 AM
Sunset: 7:05 PM
 
Moonrise: 4:25 AM
Moonset: 5:41 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (222°)
Speed: 10Mph(16Km, 11Kts)
Details for Monday, September 22
Chance of afternoon showers. Highs in the low 70s and lows in the low 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 51%
Cloud Coverage
Sunrise: 6:54 AM
Sunset: 7:04 PM
 
Moonrise: 5:21 AM
Moonset: 6:10 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (295°)
Speed: 9Mph(15Km, 11Kts)
Details for Tuesday, September 23
Plenty of sun. Highs in the low 70s and lows in the upper 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 23%
Cloud Coverage
Sunrise: 6:55 AM
Sunset: 7:02 PM
 
Moonrise: 6:18 AM
Moonset: 6:39 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNW
Direction: NNW (332°)
Speed: 9Mph(15Km, 11Kts)
Details for Wednesday, September 24
Mainly sunny. Highs in the upper 60s and lows in the mid 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 6:56 AM
Sunset: 7:00 PM
 
Moonrise: 7:15 AM
Moonset: 7:10 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  N
Direction: N (353°)
Speed: 8Mph(13Km, 9Kts)
Details for Thursday, September 25
Sunny. Highs in the upper 60s and lows in the upper 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 6:57 AM
Sunset: 6:59 PM
 
Moonrise: 8:13 AM
Moonset: 7:41 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  N
Direction: N (4°)
Speed: 4Mph(7Km, 5Kts)
Details for Friday, September 26
Mostly sunny. Highs in the low 70s and lows in the low 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 21%
Cloud Coverage
Sunrise: 6:58 AM
Sunset: 6:57 PM
 
Moonrise: 9:12 AM
Moonset: 8:15 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (187°)
Speed: 9Mph(15Km, 10Kts)
Daily Forecast Chart
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