Harris County Weather Forecast
Harris County weather: 84°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Harris County is a county in Texas. Harris County is a county in the United States. It has a population of about 4.8 million.
Right now it is 84°F (29°C) in Harris County with clear. It feels like 89°F. Today runs from 80°F to 99°F. Chance of precipitation is 7%. Sightseeing conditions score 8.9/10 - excellent - go now.
The best time to visit Harris County is February, March, August, September, October and November. The climate is temperate. January, May and July tend to be the least comfortable months. August is the warmest month with average highs near 95°F, while January is the coldest with lows near 43°F.
The closest major airport is George Bush Intercontinental Airport (IAH), about 16 mi away. Nearby highlights include Enchanted Rock State Natural Area.
In plain terms. Today is slightly warmer than average for August. The forecast high of 99°F is 4.3°F above the 95°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. swimming is the strongest bet in Harris County today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Harris County
Heat Advisory issued August 22 at 12:35PM CDT until August 23 at 7:00PM CDT by NWS Houston/Galveston TX
Issued by NWS Houston/Galveston TX
Weather in Harris County right now
Source: Open-Meteo. Updated 10:49 PM, Aug 22 local time.
See the Harris County forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Harris County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☁️ Overcast | 99° / 80° | 7% | 8 mph | 8 |
| Sun, Aug 23 | ☁️ Overcast | 100° / 78° | 3% | 10 mph | 8 |
| Mon, Aug 24 | ☁️ Overcast | 100° / 76° | 1% | 13 mph | 8 |
| Tue, Aug 25 | ☁️ Overcast | 103° / 81° | 0% | 14 mph | 8 |
| Wed, Aug 26 | ☀️ Clear sky | 105° / 82° | 1% | 14 mph | 8 |
| Thu, Aug 27 | ☁️ Overcast | 99° / 82° | 9% | 13 mph | 7 |
| Fri, Aug 28 | 🌦️ Light drizzle | 93° / 82° | 7% · 0,0 in | 11 mph | 4 |
| Sat, Aug 29 | ☁️ Overcast | 98° / 80° | 9% | 14 mph | 9 |
| Sun, Aug 30 | 🌦️ Light drizzle | 100° / 81° | 13% · 0,1 in | 12 mph | 7 |
| Mon, Aug 31 | 🌦️ Light drizzle | 100° / 80° | 10% · 0,0 in | 15 mph | 7 |
| Tue, Sep 1 | 🌤️ Mainly clear | 99° / 80° | 9% | 13 mph | 8 |
| Wed, Sep 2 | ⛅ Partly cloudy | 99° / 80° | 11% | 15 mph | 7 |
| Thu, Sep 3 | ☁️ Overcast | 103° / 81° | 5% | 15 mph | 8 |
| Fri, Sep 4 | ☀️ Clear sky | 103° / 81° | 6% | 16 mph | 8 |
| Sat, Sep 5 | ☁️ Overcast | 106° / 81° | 13% | 13 mph | 9 |
| Sun, Sep 6 | ☀️ Clear sky | 103° / 82° | 13% | 15 mph | 8 |
Climate in Harris County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 60° | 43° | 6,9 in | ★★☆☆☆ |
| February | 70° | 52° | 3,0 in | ★★★★☆ |
| March | 77° | 59° | 3,7 in | ★★★★☆ |
| April | 80° | 65° | 6,7 in | ★★★☆☆ |
| May | 85° | 70° | 12,6 in | ★★★☆☆ |
| June | 89° | 76° | 9,1 in | ★★★☆☆ |
| July | 91° | 76° | 10,0 in | ★★☆☆☆ |
| August | 95° | 78° | 2,2 in | ★★★★☆ |
| September | 90° | 74° | 4,1 in | ★★★★☆ |
| October | 84° | 66° | 3,3 in | ★★★★☆ |
| November | 74° | 57° | 4,2 in | ★★★★☆ |
| December | 67° | 51° | 5,4 in | ★★★☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for Harris County
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Harris County
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Harris County
Go in February, March, August, September, October and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, May and July - expect the least comfortable mix of heat, cold or rain.
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 84°F (29°C) with clear. Humidity is 65% and wind is 7 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 10:49 PM.
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 data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, 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 22, 2026 at 10:49 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
