Slackwater, Pennsylvania Weather
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Click for Special Weather Statement for Slackwater, Pennsylvania
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Weather Forecast for Slackwater, Pennsylvania : Lancaster County
Issued: 6:27 am EDT Jul 3, 2025 Latitude: 39.9823212 Longitude: -76.3560719 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Independence Day Saturday Sunday Monday Tuesday Wednesday
Sunny on This Afternoon 20% chance of thunderstorms on Tonight Sunny on Independence Day Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday 50% chance of thunderstorms on Tuesday 50% chance of on Wednesday
High: 89°F Low: 63°F High: 85°F High: 88°F High: 90°F High: 92°F High: 90°F High: 88°F
Low: 62°F Low: 66°F Low: 71°F Low: 72°F Low: 71°F  
Sunny Thunderstorms Sunny Sunny Sunny Mostly Sunny Thunderstorms Partly Sunny
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Current Conditions at
LANCASTER - (KLNS)
84°
Partly Cloudy
as of 1:53 PM EDST
Rel. Humidity: 48%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
12 MPH
270° West
Cloud Level(s): Scattered at 6000ft
Current Conditions at
MIDDLETWN/HARRISB - (KMDT)
88°
Partly Cloudy
as of 1:56 PM EDST
Rel. Humidity: 40%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
10 MPH
290° West
Cloud Level(s): Scattered at 6500ft, Scattered at 9500ft
Current Conditions at
YORK - (KTHV)
88°
Partly Cloudy
as of 1:53 PM EDST
Rel. Humidity: 43%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
7 MPH
290° West
Cloud Level(s): Few at 7000ft, Scattered at 8500ft
Current Conditions at
COLLEGE PARK ARPT - (KCGS)
90°
Feels like 91°F
Mostly Cloudy
as of 2:00 PM EDST
Rel. Humidity: 43%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
7 MPH
340° North
Cloud Level(s): Broken at 6000ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 89. West wind around 8 mph.
20% chance of thunderstorms Tonight Tonight... A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 63. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunny on Independence Day Independence Day... Sunny, with a high near 85. Northwest wind 3 to 6 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 62. Calm wind.
Sunny on Saturday Saturday... Sunny, with a high near 88. Light and variable wind.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 66.
Sunny on Sunday Sunday... Sunny, with a high near 90.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 71.
Mostly Sunny on Monday Monday... Mostly sunny and hot, with a high near 92.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 72.
50% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
30% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
50% chance of Wednesday Wednesday... A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Current Radar Image


Sun Almanac for Slackwater, Pennsylvania
Sunrise: 05:42 AM
Sunset: 8:38 PM
Civil Sunrise:05:09 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 04:28 AM
Nautical Sunset: 9:52 PM
Astro Sunrise: 03:40 AM
Astro Sunset: 10:39 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.