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

89°F

32°C

Humidity 61%
Wind Speed NE 5 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 2 Sep 11:53 am CDT
Extended Forecast for

Port Allen LA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 94. Heat index values as high as 107. Southeast wind around 5 mph.

    High: 94 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers after 5am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.

    Low: 77 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 93. Calm wind becoming north around 5 mph. Chance of precipitation is 90%.

    High: 93 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 93. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 94. Heat index values as high as 107. Southeast wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A 10 percent chance of showers after 5am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 93. Calm wind becoming north around 5 mph. Chance of precipitation is 90%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 93. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. Calm wind.
Sunday
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Labor Day
Showers and thunderstorms likely. Sunny and hot, with a high near 95. Calm wind.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Allen LA
 30.45°N 91.18°W
Last Update:
11:21 am CDT Sep 2, 2026
Forecast Valid:
12pm CDT Sep 2, 2026-6pm CDT Sep 8, 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