Today | Weather | Tuesday, March 17, 2026
Active Weather Warnings

Weather in Columbia, South Carolina

03:23 AM
Now
Cloudy Night
36° F
Feels Like 28°
Precipitation 0 %
Wind 8 mph
Humidity 63 %
Today
Cloudy Weather
Day 55°
Night 30°
Precipitation 3 %
Wind 10 mph
UV Index (0 - 11+) 6

Columbia Weather Forecast Updated

55 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 17, 2025)
Cloudy Weather

Day

66°

Night

37°

Wind

12 mph

UV Index

6

Precipitation

1 %

Air Quality in Columbia

NOW
46 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 1.05 µg/m³
O3 0.049 ppm
NO2 0.7 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 1.07 µg/m³
NO 0 µg/m³
PM2.5 – 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.5 µg/m³
PM101.05 µg/m³
O396.83 µg/m³
NO21.26 µg/m³
SO20.84 µg/m³
CO152.09 µg/m³
NH31.07 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Columbia

Severe Future Possible

Freeze Watch

Freeze Watch issued March 15 at 2:31PM EDT until March 17 at 10:00AM EDT by NWS Columbia SC
Mar 17, 4:00 AM Mar 17, 10:00 AM
WHAT: Sub-freezing temperatures as low as 29 possible.

WHERE: Portions of east central Georgia and central South
Carolina.

WHEN: From late Monday night through Tuesday morning.

IMPACTS: Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
+ Read More
A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation.
Updated: Mar 16, 12:21 AM Source: NWS Alert
Moderate Expected Likely

Freeze Warning

Freeze Warning issued March 17 at 1:34AM EDT until March 17 at 10:00AM EDT by NWS Columbia SC
Mar 17, 4:00 AM Mar 17, 10:00 AM
WHAT: For the first Freeze Warning, sub-freezing temperatures as
low as 29 expected. For the second Freeze Warning, sub-freezing
temperatures as low as 28 expected.

WHERE: Portions of east central Georgia and central South
Carolina.

WHEN: For the first Freeze Warning, until 10 AM EDT this morning.
For the second Freeze Warning, from 2 AM to 10 AM EDT Wednesday.

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 17, 2:27 AM Source: NWS Alert