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Waterloo, Maryland Weather Forecast
Waterloo, Maryland Weather
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Weather Forecast for Waterloo, Maryland : St. Mary's County
Issued: 12:29 pm EST Nov 7, 2025 Latitude: 38.2312408 Longitude: -76.7791337 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Veterans Day Wednesday Thursday Friday
40% chance of rain on Tonight Clearing on Saturday 50% chance of  on Sunday Mostly Sunny on Monday Sunny on Veterans Day Mostly Sunny on Wednesday Mostly Sunny on Thursday Sunny on Friday
Low: 57°F High: 68°F High: 68°F High: 49°F High: 48°F High: 60°F High: 57°F High: 56°F
Low: 54°F Low: 44°F Low: 34°F Low: 41°F Low: 45°F Low: 39°F  
Rain Clearing Partly Sunny Mostly Sunny Sunny Mostly Sunny Mostly Sunny Sunny
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Current Conditions at
SHANNON ARPT - (KEZF)
66°
Clear
as of 2:35 PM EST
Rel. Humidity: 34%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 24 MPH
200° South
Cloud Level(s): Clear
40% chance of rain Tonight Tonight... A chance of showers, mainly between midnight and 5am. Cloudy, with a low around 57. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Clearing on Saturday Saturday... Mostly cloudy through mid morning, then gradual clearing, with a high near 68. West wind 3 to 6 mph.

20% chance of rain Saturday Night Saturday Night... A slight chance of showers after 1am. Partly cloudy, with a low around 54. Southeast wind around 7 mph. Chance of precipitation is 20%.

50% chance of  Sunday Sunday... A chance of showers. Partly sunny, with a high near 68. Southeast wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 50%.

40% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 44. Northwest wind 8 to 11 mph. Chance of precipitation is 40%.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 49.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 34.

Sunny on Veterans Day Veterans Day... Sunny, with a high near 48.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 41.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 60.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 45.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 57.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 39.

Sunny on Friday Friday... Sunny, with a high near 56.

Current Radar Image


Sun Almanac for Waterloo, Maryland
Sunrise: 06:40 AM
Sunset: 5:01 PM
Civil Sunrise:06:13 AM
Civil Sunset: 5:29 PM
Nautical Sunrise: 05:41 AM
Nautical Sunset: 6:01 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 6:32 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.