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Waterloo Mills, Pennsylvania Weather Forecast
Waterloo Mills, Pennsylvania Weather
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Weather Forecast for Waterloo Mills, Pennsylvania : Chester County
Issued: 4:12 pm EST Jan 22, 2026 Latitude: 40.0231649 Longitude: -75.4207502 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Cloudy on Overnight Partly Sunny on Friday Increasing Clouds on Saturday 100% chance of freezing rain & snow on Sunday 40% chance of snow on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday
Low: 25°F High: 37°F High: 19°F High: 23°F High: 25°F High: 18°F High: 22°F High: 21°F
Low: 8 °F Low: 12°F Low: 18°F Low: 6°F Low: 8°F Low: 9°F  
Cloudy Partly Sunny Increasing Clouds Freezing Rain & Snow Snow Mostly Sunny Mostly Sunny Mostly Sunny
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Cloudy on Overnight Overnight... Partly cloudy, with a low around 25. West wind around 5 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 37. West wind 5 to 15 mph, with gusts as high as 30 mph.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 8. Wind chill values as low as -5. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Increasing Clouds on Saturday Saturday... Increasing clouds, with a high near 19. Wind chill values as low as -5. North wind 5 to 10 mph, with gusts as high as 20 mph.

90% chance of snow Saturday Night Saturday Night... Snow, mainly after 1am. The snow could be heavy at times. Low around 12. Northeast wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

100% chance of freezing rain & snow Sunday Sunday... Snow before 1pm, then snow, possibly mixed with freezing rain and sleet. The snow could be heavy at times. High near 23. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

90% chance of snow Sunday Night Sunday Night... Snow. Low around 18. Chance of precipitation is 90%.

40% chance of snow Monday Monday... A chance of snow. Partly sunny, with a high near 25. Chance of precipitation is 40%.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 6.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 18.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 8.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 22.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 9.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 21.

Sun Almanac for Waterloo Mills, Pennsylvania
Sunrise: 07:17 AM
Sunset: 5:10 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:39 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:12 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:44 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.