Weather WorldYarrow, PA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Yarrow, PA Weather Forecast
Yarrow, PA Weather Forecast Date: 400 AM EDT Fri Aug 14 2026
The area/counties/county of: Western Montgomery, including the cities of: Collegeville and Pottstown.or toggle through each period.
Today... Mostly sunny. Hot with highs in the upper 80s. Light and variable winds, becoming northwest around 5 mph this afternoon.
Tonight... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s. Northeast winds around 5 mph.
Saturday... Sunny, hot with highs in the upper 80s. Northeast winds around 5 mph.
Saturday Night... Partly cloudy. Lows in the mid 60s. East winds around 5 mph in the evening, becoming light and variable.
Sunday... Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely in the afternoon. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 70%.
Sunday Night... Showers with a chance of thunderstorms in the evening, then showers after midnight. Lows in the upper 60s. Chance of rain 80%.
Monday... Mostly sunny. A chance of showers in the morning. Hot with highs in the upper 80s. Chance of rain 40%.
Monday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s.
Tuesday... Sunny, hot with highs in the mid 80s.
Tuesday Night... Mostly clear. Lows in the lower 60s.
Wednesday... Sunny, hot with highs in the upper 80s.
Wednesday Night... Partly cloudy. Lows in the upper 60s.
POP = Probability of Precipitation
Yarrow Radar Loop
Use the map search tool if you want to place a location marker on the radar map...