Hourly Weather Forecast for Columbia, South Carolina

Hourly Weather | Today › Tuesday, March 17, 2026

Active Weather Warnings

Freeze Watch
Freeze Warning

Columbia, South Carolina

6 AM

34°

Feels Like 28°

Humidity: 61%

UV Index: 0

Wind: 7 mph

7 AM

34°

Feels Like 30°

Humidity: 60%

UV Index: 0

Wind: 6 mph

8 AM

36°

Feels Like 36°

Humidity: 54%

UV Index: 1

Wind: 6 mph

9 AM

37°

Feels Like 39°

Humidity: 50%

UV Index: 2

Wind: 6 mph

10 AM

41°

Feels Like 45°

Humidity: 43%

UV Index: 3

Wind: 7 mph

11 AM

45°

Feels Like 46°

Humidity: 39%

UV Index: 4

Wind: 7 mph

12 PM

46°

Feels Like 50°

Humidity: 35%

UV Index: 5

Wind: 8 mph

1 PM

48°

Feels Like 52°

Humidity: 31%

UV Index: 6

Wind: 9 mph

2 PM

52°

Feels Like 52°

Humidity: 28%

UV Index: 5

Wind: 10 mph

3 PM

52°

Feels Like 52°

Humidity: 26%

UV Index: 4

Wind: 12 mph

4 PM

54°

Feels Like 52°

Humidity: 24%

UV Index: 3

Wind: 13 mph

5 PM

52°

Feels Like 48°

Humidity: 25%

UV Index: 2

Wind: 13 mph

6 PM

52°

Feels Like 46°

Humidity: 26%

UV Index: 1

Wind: 12 mph

7 PM

52°

Feels Like 45°

Humidity: 28%

UV Index: 0

Wind: 9 mph

8 PM

48°

Feels Like 45°

Humidity: 32%

UV Index: 0

Wind: 8 mph

9 PM

46°

Feels Like 43°

Humidity: 36%

UV Index: 0

Wind: 7 mph

10 PM

45°

Feels Like 39°

Humidity: 39%

UV Index: 0

Wind: 7 mph

11 PM

41°

Feels Like 39°

Humidity: 42%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM

45 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.5 µg/m³
PM₁₀: 1.19 µg/m³
O₃: 0.049 ppm
NO₂: 0.5 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM

45 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.5 µg/m³
PM₁₀: 1.28 µg/m³
O₃: 0.049 ppm
NO₂: 0.5 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM

45 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.51 µg/m³
PM₁₀: 1.42 µg/m³
O₃: 0.048 ppm
NO₂: 0.6 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM

44 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.55 µg/m³
PM₁₀: 1.56 µg/m³
O₃: 0.047 ppm
NO₂: 0.9 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM

44 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.64 µg/m³
PM₁₀: 1.68 µg/m³
O₃: 0.047 ppm
NO₂: 0.9 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM

44 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.8 µg/m³
PM₁₀: 1.81 µg/m³
O₃: 0.048 ppm
NO₂: 0.7 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.85 µg/m³
PM₁₀: 1.71 µg/m³
O₃: 0.051 ppm
NO₂: 0.5 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM

50 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.79 µg/m³
PM₁₀: 1.55 µg/m³
O₃: 0.054 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM

56 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 0.85 µg/m³
PM₁₀: 1.57 µg/m³
O₃: 0.056 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM

64 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.01 µg/m³
PM₁₀: 1.7 µg/m³
O₃: 0.058 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM

70 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.22 µg/m³
PM₁₀: 1.91 µg/m³
O₃: 0.060 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM

72 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.58 µg/m³
PM₁₀: 2.33 µg/m³
O₃: 0.061 ppm
NO₂: 0.3 ppb
SO₂: 0.4 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM

72 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.02 µg/m³
PM₁₀: 2.89 µg/m³
O₃: 0.061 ppm
NO₂: 0.4 ppb
SO₂: 0.5 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM

68 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.36 µg/m³
PM₁₀: 3.37 µg/m³
O₃: 0.060 ppm
NO₂: 0.7 ppb
SO₂: 0.5 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM

64 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.55 µg/m³
PM₁₀: 3.68 µg/m³
O₃: 0.058 ppm
NO₂: 1 ppb
SO₂: 0.6 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM

59 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.62 µg/m³
PM₁₀: 3.88 µg/m³
O₃: 0.057 ppm
NO₂: 1.1 ppb
SO₂: 0.6 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM

57 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.63 µg/m³
PM₁₀: 4.04 µg/m³
O₃: 0.056 ppm
NO₂: 1.1 ppb
SO₂: 0.5 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM

55 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.68 µg/m³
PM₁₀: 4.28 µg/m³
O₃: 0.056 ppm
NO₂: 1.2 ppb
SO₂: 0.5 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Current Real-Time Air Quality Report

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, 4:04 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Weather Alerts and Warnings for Columbia

Freeze Watch

Freeze Warning

Explore U.S. Weather Trends