Derry, Pennsylvania Weather
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Weather Forecast for Derry, Pennsylvania : Westmoreland County
Issued: 10:02 pm EST Dec 27, 2024 Latitude: 40.3339589 Longitude: -79.2997573 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday New Year's Day Thursday Friday
80% chance of rain on Tonight 30% chance of rain on Saturday 100% chance of thunderstorms on Sunday 40% chance of on Monday 80% chance of rain on Tuesday 70% chance of rain & snow on New Year's Day 30% chance of snow on Thursday 30% chance of snow on Friday
Low: 45°F High: 60°F High: 61°F High: 48°F High: 50°F High: 40°F High: 31°F High: 28°F
Low: 46°F Low: 42°F Low: 38°F Low: 36°F Low: 27°F Low: 22°F  
Rain Rain Thunderstorms Partly Sunny Rain Rain & Snow Snow Snow
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Current Conditions at
LATROBE - (KLBE)
50°
Partly Cloudy
as of 10:55 PM EST
Rel. Humidity: 71%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
5 MPH
130° Southeast
Cloud Level(s): Scattered at 3100ft, Scattered at 8000ft
Current Conditions at
STEWART FIELD - (KIDI)
45°
Feels like 38°F
Cloudy
as of 10:55 PM EST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: MVFR
Wind Data
12 MPH
Gust: 18 MPH
140° Southeast
Cloud Level(s): Broken at 3000ft, Solid Overcast at 7500ft
Current Conditions at
JOHNSTOWN - (KJST)
39°
Feels like 32°F
Cloudy
Light Rain
as of 10:54 PM EST
Rel. Humidity: 86%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
12 MPH
Gust: 20 MPH
190° South
Cloud Level(s): Broken at 1300ft, Broken at 2900ft, Solid Overcast at 7000ft
Current Conditions at
BUTLER COUNTY - (KBTP)
45°
Cloudy
as of 10:56 PM EST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
8 MPH
110° East
Cloud Level(s): Broken at 2000ft, Solid Overcast at 5000ft
80% chance of rain Tonight Tonight... Rain, mainly before 4am. Low around 45. Southeast wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
30% chance of rain Saturday Saturday... A chance of rain, mainly before 11am. Cloudy, with a high near 60. South wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of rain Saturday Night Saturday Night... A slight chance of rain before 7pm, then showers likely, mainly after 11pm. Mostly cloudy, with a low around 46. Southeast wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of thunderstorms Sunday Sunday... Showers, with thunderstorms also possible after 1pm. High near 61. South wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
90% chance of rain Sunday Night Sunday Night... Showers. Low around 42. West wind 14 to 16 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
40% chance of Monday Monday... A chance of showers, mainly before 1pm. Partly sunny, with a high near 48. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 38.
80% chance of rain Tuesday Tuesday... Showers, mainly after 1pm. High near 50. Chance of precipitation is 80%.
90% chance of rain Tuesday Night Tuesday Night... Showers. Low around 36. Chance of precipitation is 90%.
70% chance of rain & snow New Year's Day New Year's Day... Rain and snow showers likely, becoming all snow after 1pm. Mostly cloudy, with a high near 40. Breezy. Chance of precipitation is 70%.
50% chance of snow Wednesday Night Wednesday Night... A chance of snow showers. Mostly cloudy, with a low around 27. Breezy. Chance of precipitation is 50%.
30% chance of snow Thursday Thursday... A chance of snow showers. Mostly cloudy, with a high near 31. Breezy. Chance of precipitation is 30%.
30% chance of snow Thursday Night Thursday Night... A chance of snow showers. Mostly cloudy, with a low around 22. Breezy. Chance of precipitation is 30%.
30% chance of snow Friday Friday... A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Derry, Pennsylvania
Sunrise: 07:39 AM
Sunset: 4:58 PM
Civil Sunrise:07:08 AM
Civil Sunset: 5:29 PM
Nautical Sunrise: 06:34 AM
Nautical Sunset: 6:03 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 6:36 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.