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


Fredericktown, PA Weather Forecast


Fredericktown, PA Weather Forecast Date: 502 PM EDT Wed Sep 30 2026
The area/counties/county of: Washington, including the cities of: Washington and Canonsburg.or toggle through each period.
Tonight... Mostly cloudy. Lows in the lower 60s. South winds around 5 mph.
Thursday... Partly cloudy. Highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Thursday Night... Mostly cloudy. Warm with lows in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 25 mph.
Friday... Showers. Highs in the mid 70s. Temperatures falling into the mid 60s in the afternoon. Southwest winds 10 to 15 mph, becoming west in the afternoon. Chance of rain near 100%.
Friday Night... 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 near 100%.
Saturday... Mostly sunny. Highs in the upper 60s.
Saturday Night... Partly cloudy. Lows around 50.
Sunday... Partly cloudy in the morning, then becoming partly sunny. Highs around 70.
Sunday Night... Partly cloudy. Lows in the lower 50s.
Monday... Mostly sunny. Highs in the mid 60s.
Monday Night... Mainly clear. Lows around 40.
Tuesday... Sunny, cool with highs around 60.
Tuesday Night... Clear. Lows in the lower 40s.
Weather World