Saint Marys, Tennessee Weather
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Weather Forecast for Saint Marys, Tennessee : Franklin County
Issued: 3:04 am CDT Jun 4, 2025 Latitude: 35.1736932 Longitude: -85.9416462 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
30% chance of thunderstorms on Today 10% chance of rain on Tonight 30% chance of thunderstorms on Thursday 70% chance of thunderstorms on Friday 80% chance of thunderstorms on Saturday 60% chance of thunderstorms on Sunday 60% chance of thunderstorms on Monday 50% chance of thunderstorms on Tuesday
High: 83°F Low: 67°F High: 83°F High: 84°F High: 80°F High: 78°F High: 81°F High: 79°F
Low: 69°F Low: 70°F Low: 67°F Low: 66°F Low: 67°F  
Thunderstorms Rain Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
MADISON COUNTY EXEC - (KMDQ)
70°
Clear
as of 5:35 AM CDST
Rel. Humidity: 73%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
CHATTANOOGA - (KCHA)
68°
Clear
as of 5:53 AM EDST
Rel. Humidity: 82%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ISBELL FIELD ARPT - (K4A9)
66°
Clear
as of 5:35 AM CDST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
010° North
Cloud Level(s): Clear
30% chance of thunderstorms Today Today... A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 83. South southeast wind around 5 mph, with gusts as high as 15 mph.
10% chance of rain Tonight Tonight... A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 67. Southeast wind around 5 mph, with gusts as high as 15 mph.
30% chance of thunderstorms Thursday Thursday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Calm wind.
Morning Fog on Thursday Night Thursday Night... Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. Calm wind.
70% chance of thunderstorms Friday Friday... Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 84. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
60% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
80% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 80. Chance of precipitation is 80%.
50% chance of thunderstorms Saturday Night Saturday Night... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
60% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
40% chance of thunderstorms Sunday Night Sunday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
60% chance of thunderstorms Monday Monday... Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
50% chance of thunderstorms Monday Night Monday Night... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
50% chance of thunderstorms Tuesday Tuesday... A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Sun Almanac for Saint Marys, Tennessee
Sunrise: 05:30 AM
Sunset: 7:55 PM
Civil Sunrise:05:00 AM
Civil Sunset: 8:24 PM
Nautical Sunrise: 04:24 AM
Nautical Sunset: 9:01 PM
Astro Sunrise: 03:44 AM
Astro Sunset: 9:40 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.