National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (KBTR)

Lat: 30.54°NLon: 91.15°WElev: 69ft.

Fair

74°F

23°C

Humidity 97%
Wind Speed NE 3 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 12 Jul 3:53 am CDT
Extended Forecast for

Old Jefferson LA

  • Today

    Today: Showers and thunderstorms. High near 90. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms. High near 84. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 84 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers after 1am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 74. West wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms. High near 90. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
Showers and thunderstorms. High near 84. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers after 1am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 40%.
Tuesday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 74. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 74. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 76. Calm wind.
Friday
Sunny, with a high near 94. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 76. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 95. Calm wind becoming northwest around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Jefferson LA
 30.38°N 91.02°W
Last Update:
2:01 am CDT Jul 12, 2026
Forecast Valid:
4am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation