Weather World
Borough of Derry, PADerry, PA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Derry, PA Weather Forecast
Derry, PA Weather Forecast Date: 737 PM EDT Sat Sep 26 2026
The area/counties/county of: Westmoreland, including the cities of: Murrysville, Greensburg, New Kensington, Lower Burrell, Latrobe, and Monessen.or toggle through each period.
Rest of Tonight... Mostly cloudy this evening, then becoming partly cloudy. Lows in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph.
Sunday... Mostly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the upper 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Sunday Night... Considerable cloudiness. A chance of showers in the evening. Lows in the mid 50s. North winds 10 to 15 mph, becoming northwest around 5 mph after midnight. Chance of rain 40%.
Monday... Mostly cloudy. Highs in the upper 60s. Northwest winds around 5 mph.
Monday Night... Considerable cloudiness. Patchy fog in the evening, then areas of fog after midnight. Lows in the upper 50s. West winds around 5 mph in the evening, becoming light and variable.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Areas of fog in the morning. Highs in the lower 70s.
Tuesday Night... Mainly clear. Patchy fog. Lows in the mid 50s.
Wednesday... Partly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Highs in the mid 70s.
Wednesday Night... Mostly cloudy. Lows in the upper 50s.
Thursday... Partly sunny. Highs in the upper 70s.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 40%.
Friday... Considerable cloudiness with a 50% chance of showers. Locally heavy rainfall possible in the afternoon. Highs in the lower 70s.
Friday Night... Mostly cloudy with a 50% chance of showers. Locally heavy rainfall possible after midnight. Lows in the upper 50s.
POP = Probability of Precipitation
Derry Radar Loop
Use the map search tool if you want to place a location marker on the radar map...