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Saint Marys, Indiana Weather Forecast
Saint Marys, Indiana Weather
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Weather Forecast for Saint Marys, Indiana : Franklin County
Issued: 5:47 pm EST Dec 18, 2025 Latitude: 39.3478291 Longitude: -85.1088493 View on Google Maps

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Tonight Friday Saturday Sunday Monday Tuesday Wednesday Christmas Day
80% chance of rain & snow on Tonight 40% chance of snow on Friday Partly Sunny on Saturday Sunny on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday Mostly Cloudy on Christmas Day
Low: 19°F High: 29°F High: 47°F High: 34°F High: 41°F High: 50°F High: 54°F High: 59°F
Low: 23°F Low: 25°F Low: 20°F Low: 33°F Low: 40°F Low: 47°F  
Rain & Snow Snow Partly Sunny Sunny Partly Sunny Mostly Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
COVINGTON - (KCVG)
48°
Feels like 41°F
Cloudy
Rain Mist
as of 8:52 PM EST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 6 Miles
Pressure: 29.49 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 31 MPH
300° Northwest
Cloud Level(s): Few at 800ft, Scattered at 3500ft, Solid Overcast at 4800ft
Current Conditions at
HAMILTON - (KHAO)
48°
Cloudy
Light Rain
as of 8:53 PM EST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 7 Miles
Pressure: 29.49 in.
Flight Rule: VFR
Wind Data
7 MPH
290° West
Cloud Level(s): Few at 1100ft, Scattered at 2700ft, Solid Overcast at 4300ft
Current Conditions at
SHELBYVILLE - (KGEZ)
43°
Feels like 36°F
Cloudy
as of 9:15 PM EST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.50 in.
Flight Rule: VFR
Wind Data
12 MPH
290° West
Cloud Level(s): Scattered at 2100ft, Solid Overcast at 6500ft
Current Conditions at
CINCINNATI/LUNK - (KLUK)
50°
Feels like 45°F
Cloudy
Light Rain Mist
as of 9:14 PM EST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 6 Miles
Pressure: 29.51 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 25 MPH
290° West
Cloud Level(s): Few at 3400ft, Solid Overcast at 4500ft
80% chance of rain & snow Tonight Tonight... Rain before midnight, then a chance of snow showers after 4am. Low around 19. West wind 10 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
40% chance of snow Friday Friday... A chance of snow showers, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 29. West wind 10 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 23. Calm wind becoming south around 6 mph after midnight.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 47. South wind 8 to 11 mph, with gusts as high as 23 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 25. West wind around 6 mph.
Sunny on Sunday Sunday... Sunny, with a high near 34.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 20.
Partly Sunny on Monday Monday... Partly sunny, with a high near 41.
30% chance of rain Monday Night Monday Night... A chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 50.
30% chance of rain Tuesday Night Tuesday Night... A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 54.
30% chance of rain Wednesday Night Wednesday Night... A chance of rain. Cloudy, with a low around 47. Chance of precipitation is 30%.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 59.
Current Radar Image


Sun Almanac for Saint Marys, Indiana
Sunrise: 07:55 AM
Sunset: 5:19 PM
Civil Sunrise:07:25 AM
Civil Sunset: 5:49 PM
Nautical Sunrise: 06:51 AM
Nautical Sunset: 6:23 PM
Astro Sunrise: 06:19 AM
Astro Sunset: 6:56 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.