Today | Weather | Wednesday, March 18, 2026

Active Weather Warnings

Freeze Warning

Weather in Tallahassee, Florida

06:47 AM

Now

37° F

Feels Like 34°

Precipitation 0 %

Wind 7 mph

Humidity 57 %

Today

Day 63°

Night 34°

Precipitation 7 %

Wind 8 mph

UV Index (0 - 11+) 7

Tallahassee Weather Forecast Updated

24 minutes ago

Last updated on March 18, 2026 at 6:23 AM

Weather Forecast History

Last Year's Weather on This Day (March 18, 2025)

Day

81°

Night

39°

Wind

4 mph

UV Index

Precipitation

1 %

Air Quality in Tallahassee

NOW

66 AQI

Moderate air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.11 µg/m³

PM₁₀ 2.87 µg/m³

O₃ 0.059 ppm

NO₂ 0.3 ppb

SO₂ 0.3 ppb

CO 0.13 ppm

NH₃ 0.78 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 – 2.11 µg/m³

PM₁₀ – 2.87 µg/m³

O₃ – 116.15 µg/m³

NO₂ – 0.57 µg/m³

SO₂ – 0.89 µg/m³

CO – 149.85 µg/m³

NH₃ – 0.78 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Tallahassee

Moderate Expected Likely

Freeze Warning

Freeze Warning issued March 18 at 1:51AM EDT until March 18 at 9:00AM EDT by NWS Tallahassee FL

Mar 18, 2:00 AM → Mar 18, 9:00 AM

WHAT: Sub-freezing temperatures as low as 30 expected.

WHERE: Portions of southeast Alabama, Big Bend and Panhandle
Florida, and south central and southwest Georgia.

WHEN: Until 9 AM EDT /8 AM CDT/ this 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 18, 6:23 AM Source: NWS Alert