Lock Four School, PA 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Lock Four School, PA Weather Forecast


Lock Four School, PA Weather Forecast Date: 802 PM EDT Thu Oct 15 2026
The area/counties/county of: Washington, including the cities of: Washington and Canonsburg.or toggle through each period.
Rest of Tonight... Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers early this evening, then a chance of showers. Mild. Lows in the mid 60s. Temperatures rising into the upper 60s. Southeast winds 5 to 10 mph, becoming southwest 10 to 15 mph with gusts up to 30 mph. Chance of rain 50%.
Friday... Showers. Highs in the lower 70s. Temperatures falling into the upper 50s in the afternoon. Southwest winds 15 to 20 mph, becoming west in the afternoon. Gusts up to 35 mph. Chance of rain 90%.
Friday Night... Considerable cloudiness with a 50% chance of showers. Much colder. Less humid with lows in the upper 30s. West winds around 15 mph, becoming northwest after midnight. Gusts up to 30 mph.
Saturday... Partly sunny in the morning, then clearing. Much cooler with highs around 50. North winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night... Clear. Patchy frost in the evening, then areas of frost after midnight. Lows in the lower 30s. North winds 5 to 10 mph in the evening, becoming light and variable.
Sunday... Widespread frost in the morning. Sunny. Highs in the upper 50s.
Sunday Night... Clear. Lows in the mid 30s.
Monday... Patchy frost in the morning. Sunny. Highs in the mid 60s.
Monday Night... Mainly clear. Lows in the upper 30s.
Tuesday... Mostly sunny. Highs in the mid 60s.
Tuesday Night... Mainly clear. Lows around 40.
Wednesday... Mostly sunny. Highs in the mid 60s.
Wednesday Night... Clear. Lows around 40.
Weather World