Forecasts and observations from the National Weather Service.
Observed conditions
77°F
Clear
Houston, Sugar Land Municipal / Hull Field Airport (KSGR) · Observed
Wind
Calm
Humidity
89%
Weather alerts
Air Quality Alert
Air Quality Alert issued September 27 at 5:31PM CDT by NWS Houston/Galveston TX
AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Monday, September 28, 2026. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Monday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean
Issued · Until
Forecast
National Weather Service · Issued
Overnight
77°F
Partly Cloudy
Partly cloudy, with a low around 77. Southeast wind around 0 mph.
Chance of precipitation: 0%
Wind: 0 mph
Monday
95°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny. High near 95, with temperatures falling to around 91 in the afternoon. Heat index values as high as 101. East wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Chance of precipitation: 15%
Wind: E 0 to 10 mph
Monday Night
77°F
Mostly Clear
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
Chance of precipitation: 7%
Wind: SE 5 to 10 mph
Tuesday
94°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 94, with temperatures falling to around 89 in the afternoon. Heat index values as high as 101. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Chance of precipitation: 32%
Wind: SE 5 to 15 mph
Tuesday Night
80°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 80. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Chance of precipitation: 18%
Wind: SE 10 to 15 mph
Wednesday
93°F
Chance Showers And Thunderstorms
A chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 50%.
Chance of precipitation: 45%
Wind: SE 10 to 15 mph
Wednesday Night
80°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 50%.
Chance of precipitation: 45%
Wind: SE 10 to 15 mph
Thursday
90°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 90. Chance of precipitation is 80%.