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Borough of Derry, PADerry, PA 7-Day Night Weather Forecast
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Derry, PA Weather Forecast
Derry, PA Weather Forecast Date: 802 PM EDT Thu Oct 01 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. Mild. Near steady temperature in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph.
Friday... A chance of showers in the morning, then showers in the afternoon. Warm with highs in the mid 70s. Temperatures falling into the mid 60s in the afternoon. Southwest winds 10 to 15 mph, becoming northwest in the afternoon. Chance of rain near 100%.
Friday Night... Mostly cloudy with a chance of showers in the evening, then mainly clear after midnight. Much cooler with lows in the upper 40s. North winds 5 to 10 mph. Chance of rain 30%.
Saturday... Mostly sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph.
Saturday Night... Mainly clear in the evening, then becoming mostly cloudy. Lows in the lower 50s. East winds 5 to 10 mph.
Sunday... Considerable cloudiness. Highs in the upper 60s.
Sunday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows around 50.
Monday... Mostly sunny. Highs in the lower 60s.
Monday Night... Mainly clear. Lows in the upper 30s.
Tuesday... Mostly sunny. Highs in the upper 50s.
Tuesday Night... Mainly clear. Lows in the upper 30s.
Wednesday... Sunny. Highs in the mid 60s.
Wednesday Night... Mainly clear. Lows in the mid 40s.
POP = Probability of Precipitation
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