Today | Weather | Monday, June 29, 2026

Active Weather Warnings

Heat Advisory

Weather in Gainesville, Florida

05:19 AM

Now

73° F

Feels Like 79°

Precipitation 7 %

Wind 5 mph

Humidity 100 %

Today

Day 99°

Night 75°

Precipitation 55 %

Wind 7 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Gainesville Weather Forecast Updated

1 minute ago

Last updated on June 29, 2026 at 5:17 AM

Weather Forecast History

Last Year's Weather on This Day (June 29, 2025)

Day

84°

Night

70°

Wind

6 mph

UV Index

Precipitation

90 %

Air Quality in Gainesville

NOW

22 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.79 µg/m³

PM₁₀ 2.66 µg/m³

O₃ 0.023 ppm

NO₂ 1 ppb

SO₂ 0.2 ppb

CO 0.10 ppm

NH₃ 0.14 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 1.79 µg/m³

PM₁₀ – 2.66 µg/m³

O₃ – 45.75 µg/m³

NO₂ – 1.9 µg/m³

SO₂ – 0.56 µg/m³

CO – 112.14 µg/m³

NH₃ – 0.14 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Gainesville

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.

+ Read More

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, 5:17 AM Source: NWS Alert