Today | Weather | Tuesday, March 17, 2026

Active Weather Warnings

Weather in Baton Rouge, Louisiana

02:26 AM

Now

41° F

Feels Like 37°

Precipitation 0 %

Wind 7 mph

Humidity 42 %

Today

Day 57°

Night 37°

Precipitation 0 %

Wind 7 mph

UV Index (0 - 11+) 7

Baton Rouge Weather Forecast Updated

41 minutes ago

Last updated on March 17, 2026 at 1:44 AM

Weather Forecast History

Last Year's Weather on This Day (March 17, 2025)

Day

75°

Night

45°

Wind

4 mph

UV Index

Precipitation

0 %

Air Quality in Baton Rouge

NOW

60 AQI

Moderate air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 0.5 µg/m³

PM₁₀ 0.96 µg/m³

O₃ 0.057 ppm

NO₂ 0.4 ppb

SO₂ 0.3 ppb

CO 0.13 ppm

NH₃ 1.18 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 0.5 µg/m³

PM₁₀ – 0.96 µg/m³

O₃ – 112.51 µg/m³

NO₂ – 0.84 µg/m³

SO₂ – 0.81 µg/m³

CO – 144.64 µg/m³

NH₃ – 1.18 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Baton Rouge

Severe Future Possible

Freeze Watch

Freeze Watch issued March 16 at 12:14AM CDT until March 17 at 10:00AM CDT by NWS New Orleans LA

Mar 16, 10:00 PM → Mar 17, 10:00 AM

WHAT: Sub-freezing temperatures as low as 26 possible.

WHERE: Portions of southeast Louisiana and southern Mississippi.

WHEN: From this evening through Tuesday morning.

IMPACTS: Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

+ Read More

Take steps now to protect tender plants from the cold.

Updated: Mar 16, 11:34 AM Source: NWS Alert

Moderate Expected Likely

Freeze Warning

Freeze Warning issued March 16 at 7:06PM CDT until March 17 at 9:00AM CDT by NWS New Orleans LA

Mar 17, 1:00 AM → Mar 17, 9:00 AM

WHAT: Sub-freezing temperatures as low as 27 expected.

WHERE: Portions of southeast Louisiana and southern Mississippi.

WHEN: From 1 AM to 9 AM CDT Tuesday.

IMPACTS: Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.