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There are no active watches, warnings or advisories for zone PAZ063.

Listen to the Harrisburg Area Forecast
Regional Radar
  Mechanicsburg PA - NWS Weather Forecast  -  
Tonight's and Thursday's Outlook
Last updated on 3:04 pm EST Mar 10, 2010
Tonight

Slight Chance Showers. Chance for Measurable Precipitation 20%
Slight Chc
Showers
Lo 41 °F 		A slight chance of showers after 7pm. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.
Thursday

Chance Rain. Chance for Measurable Precipitation 30%
Chance
Rain
Hi 58 °F 		A chance of light rain. Cloudy, with a high near 58. Calm wind becoming east between 4 and 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch possible.

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Current Conditions ...LIVE...
Measured in Mechanicsburg, PA at Station-ID KPAMECHA5
Updated: @ Mar-10-2010 8:06am - next update at 7:00pm  
Summary / Temperature Wind Rain/Melted Snow Outlook
partly cloudy_

Currently 40.6°F, Max: 40.6°F, Min: 31.4°F 40.6°F
Warmer 3.1°F than last hour.

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Feels like: 41°F

24-hr difference
-2.5°FColder 2.5°F than yesterday at this time.
  Today Yesterday
High: 40.6°F
8:04am 		62.6°F
3:48pm
Low: 31.4°F
2:31am 		33.4°F
7:02am
Records: 71.6°F
2006 		5.0°F
1984
Wind from NE NE
0.2
Gust:
 0.0 mph
0 Bft - Calm
Today: 6.0 2:55am
Gust Month:   27.0   Mar 5
Rain Today: 0.00 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
March: 0.04 in
Season Total:1 4.10 in
2 rain days in Mar.
Thursday
Night
Rain. Chance for Measurable Precipitation 100%
Rain
Humidity & Barometer Almanac Moon
Humidity: 69 % Decreased 6% since last hour.
Dew Point: 31.2°F Increased 1°F since last hour.
Barometer: 29.933 inHg Rising 0.01 °F/hr
Baro Trend: Steady
Sunrise: 6:27am
Sunset: 6:09pm
Moonrise: 3:41am
Moonset: 1:22pm
Waning Crescent
Waning Crescent, Moon at 24 days in cycle
24%
Illuminated
UV Index Forecast UV Index Forecast
10 Mar 2010   Medium   4.0   
11 Mar 2010   Medium   3.6   
12 Mar 2010   Medium   3.8   
13 Mar 2010
4.1     Medium 
Windchill Heating Degree Days Sun
Current: 40.6°F°F
Today: 29.0 °F°F  2:56am
Yesterday: 33.4 °F°F
Last Week: 21.1°F
Record: -6.9°F   Jan-17-2009
Today: 10.5
Mar. to Date: 240.4
2010 to Date: 2383.8
Cooling Degree Days
2010 to Date: 0.0
Hours of Daylight: 11:42:00
Snow3 Irrigation Index4 Station All Time Records Fire Risk
Today: 0.00 in
Yesterday: 0 in
March: 0 in
Season Total:2 48.400 in
Snow Depth: 0 in
0 snow day in Mar.
10 snow days in all 2010.
ICN:19 ISS:Ok
Updated at Midnight
7-Days Rain: 0.020 in   
7-Days ET: 0.000 in   
7-Day Index: 0.02 inPlus 0.02 in than yesterday at this time.
March Index: 0.04 inPlus 0.04 in than yesterday at this time.
Outside Now
Air Density: 1.268 kg/m3
Cloud Height: 2577 ft
HIGHS: LOWS:
107.1°F
Jul-03-1996 		-22.0°F
Jan-21-1994
Record Day(6am-6pm)
    91.6°F on: Aug 24 2008   11.5°F on: Jan 16 2009
Record Nite(6pm-6am)
  80.6°F on: Sep 15 2008 5.0°F on: Jan 17 2009
Current Fire Weather Index
Today:
6.1 of 31
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured
4 Estimated amount of water needed to replace the water used by plants and evaporation from the past week.
(Negative numbers mean amount of water needed, positive numbers mean excess water is present.)



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