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.

Overcast

73°F

23°C

Humidity 90%
Wind Speed SE 6 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 7 Mar 3:53 am CST
Extended Forecast for

Port Allen LA

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Increasing clouds, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 78. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 67. East wind around 5 mph becoming calm.

    Low: 67 °F

    Increasing
    Clouds

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph in the morning.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Cloudy, with a low around 70. South wind 5 to 10 mph.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 9pm, then showers likely and possibly a thunderstorm between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Increasing clouds, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 78. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Increasing clouds, with a low around 67. East wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph in the morning.
Monday Night
Mostly cloudy, with a low around 69. South wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 85. South wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 70. South wind 5 to 10 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Southwest wind 10 to 15 mph becoming north after midnight.
Thursday
Sunny, with a high near 68. North wind 10 to 15 mph.
Thursday Night
Clear, with a low around 48. North wind 5 to 10 mph.
Friday
Sunny, with a high near 72. East wind around 5 mph becoming south in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Allen LA
 30.45°N 91.18°W
Last Update:
11:32 pm CST Mar 6, 2026
Forecast Valid:
4am CST Mar 7, 2026-6pm CDT Mar 13, 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