County in Texas

Harris County Weather Forecast

Harris County weather: 78°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

🌙 78°F now🕔 5:04 AM local📅 Best: February, March, August, September, October and November👥 4.8 million

Risk assessment for Harris County

Derived from the current forecast window - not an official warning.

Fire weather10

16 dry days, 15 days above 90°F and humidity at 86%. Hot, dry and windy together is what drives fire spread.

Airborne particulates2.3

Light haze overhead right now. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.

Air quality and pollen in Harris County

56
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.59.5 µg/m³
PM1014.1 µg/m³
Ozone36 µg/m³
NO₂10.7 µg/m³
UV index0 · Low
Airborne hazeLight haze

Air quality: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
GeneralConditions are comfortable for most people, including children and older adults, with normal clothing.

Active alerts for Harris County

⚠️Heat Advisory · Moderate
Heat Advisory issued August 20 at 11:52PM CDT until August 22 at 7:00PM CDT by NWS Houston/Galveston TX
Issued by NWS Houston/Galveston TX
⚠️Fri, Aug 21: extreme heat, 99°F (37°C). Hydrate and avoid midday sun.
⚠️Sat, Aug 22: extreme heat, 100°F (38°C). Hydrate and avoid midday sun.
⚠️Sun, Aug 23: extreme heat, 103°F (40°C). Hydrate and avoid midday sun.
⚠️Mon, Aug 24: extreme heat, 103°F (39°C). Hydrate and avoid midday sun.
⚠️Tue, Aug 25: extreme heat, 103°F (40°C). Hydrate and avoid midday sun.
⚠️Wed, Aug 26: extreme heat, 102°F (39°C). Hydrate and avoid midday sun.

See the Harris County forecast by time range

Harris County weather - more answers

Explore Harris County

Every topic we hold for this place, and the same topic for the places around it.

Weather for related places

Frequently asked questions

Where is Harris County?

Harris County is a county in Texas. Its coordinates are 29.7604, -95.3698. It lies in North America.

What is the weather like in Harris County right now?

It is currently 78°F (26°C) with clear. Humidity is 86% and wind is 4 mph.

When is the best time to visit Harris County?

February, March, August, September, October and November offer the most comfortable conditions in Harris County, which has a temperate climate. January, May and July are usually the hardest months for outdoor plans.

What time zone is Harris County in?

Harris County observes America/Chicago (UTC-05:00). The local time is 5:04 AM.

How many people live in Harris County?

Harris County has a population of approximately 4.8 million.

What is the nearest airport to Harris County?

The closest airports are George Bush Intercontinental Airport (IAH), 16 mi away, Austin-Bergstrom International Airport (AUS), 141 mi away and Dallas/Fort Worth International Airport (DFW), 238 mi away.

What are the top things to do in Harris County?

Popular options include Enchanted Rock State Natural Area.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated August 21, 2026 at 5:04 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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