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

89°F

32°C

Humidity 55%
Wind Speed NW 5 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 25 Aug 4:53 pm CDT
Extended Forecast for

Port Allen LA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 91. Heat index values as high as 105. North wind around 5 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming northwest around 5 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly clear, with a low around 78. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms after 4pm. High near 93. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 80%.

    High: 93 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Low around 76. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 76 °F

    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.

    High: 93 °F

    Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming northeast around 5 mph.

    High: 93 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 91. Heat index values as high as 105. North wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming northwest around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly clear, with a low around 78. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Thursday
Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms after 4pm. High near 93. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Low around 76. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.
Friday
A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming northeast around 5 mph.
Saturday Night
Mostly clear, with a low around 75. Calm wind.
Sunday
A chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming southeast around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Allen LA
 30.45°N 91.18°W
Last Update:
2:01 pm CDT Aug 25, 2026
Forecast Valid:
5pm CDT Aug 25, 2026-6pm CDT Sep 1, 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