Today | Weather | Thursday, August 13, 2026
Active Weather Warnings

Weather in Plano, Texas

02:22 AM
Now
Night
88° F
Feels Like 90°
Precipitation 0 %
Wind 12 mph
Humidity 61 %
Today
Sunny Weather
Day 102°
Night 81°
Precipitation 3 %
Wind 13 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Plano Weather Forecast Updated

54 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 13, 2025)
Night

Day

90°

Night

77°

Wind

6 mph

Precipitation

6 %

Air Quality in Plano

NOW
20 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.17 µg/m³
PM10 2.84 µg/m³
O3 0.022 ppm
NO2 1 ppb
SO2 0.3 ppb
CO 0.08 ppm
NH3 0.81 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)
PM2.51.17 µg/m³
PM102.84 µg/m³
O343.42 µg/m³
NO21.84 µg/m³
SO20.72 µg/m³
CO86.27 µg/m³
NH30.81 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Plano

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 12 at 7:00PM CDT until August 13 at 8:00PM CDT by NWS Fort Worth TX
Aug 12, 7:00 PM Aug 13, 8:00 PM
WHAT: Temperatures around 103 degrees and or heat index values
up to 106 expected.

WHERE: Portions of north central and northeast Texas.

WHEN: Until 8 PM CDT Thursday.

IMPACTS: Hot temperatures will increase the risk for heat-
related illnesses to occur, particularly for those working or
participating in outdoor activities.
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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. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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: Aug 13, 1:28 AM Source: NWS Alert