Today | Weather | Monday, June 29, 2026
Active Weather Warnings

Weather in Jacksonville, Florida

05:19 AM
Now
Cloudy Night
77° F
Feels Like 84°
Precipitation 0 %
Wind 6 mph
Humidity 91 %
Today
Stormy Weather
Day 99°
Night 75°
Precipitation 70 %
Wind 6 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Jacksonville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 29, 2025)
Sunny with a Chance of Thunderstorms

Day

90°

Night

73°

Wind

7 mph

UV Index

9

Precipitation

46 %

Air Quality in Jacksonville

NOW
11 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.42 µg/m³
PM10 3.12 µg/m³
O3 0.011 ppm
NO2 1.1 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.26 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)
PM2.52.42 µg/m³
PM103.12 µg/m³
O322.5 µg/m³
NO22.04 µg/m³
SO20.17 µg/m³
CO112.33 µg/m³
NH30.26 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Jacksonville

Moderate Expected Likely

Heat Advisory

Heat Advisory issued June 29 at 12:53AM EDT until June 29 at 7:00PM EDT by NWS Jacksonville FL
Jun 29, 12:00 PM Jun 29, 7:00 PM
WHAT: Heat index values up to 109 expected.

WHERE: Portions of northeast and northern Florida and southeast
Georgia.

WHEN: From noon today to 7 PM EDT this evening.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Updated: Jun 29, 4:10 AM Source: NWS Alert