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.

Mostly Cloudy

84°F

29°C

Humidity 53%
Wind Speed Vrbl 6 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 31 Mar 1:53 pm CDT
Extended Forecast for

Port Allen LA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 84. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 66. Southeast wind around 5 mph.

    Low: 66 °F

    Chance
    Showers then
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Southeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 68. Southeast wind 5 to 10 mph.

    Low: 68 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph.

    High: 82 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 84. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 66. Southeast wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Southeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Increasing clouds, with a low around 68. Southeast wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 68. Southeast wind around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. South wind around 5 mph becoming north after midnight.
Sunday
A chance of showers and thunderstorms. Cloudy, with a high near 70. North wind 5 to 10 mph.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 52. North wind 5 to 10 mph.
Monday
Partly sunny, with a high near 70. North wind 5 to 10 mph.
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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:
2:01 pm CDT Mar 31, 2026
Forecast Valid:
2pm CDT Mar 31, 2026-6pm CDT Apr 6, 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