National Weather Service Forecast for: Houston TX
Issued by: National Weather Service Houston, TX
Updated: 7:20 pm CDT Jun 29, 2026
 
Overnight

Overnight: Widespread haze. Mostly clear, with a low around 79. Southeast wind around 5 mph.
Haze

Tuesday

Tuesday: A slight chance of showers and thunderstorms between 1pm and 4pm.  Mostly sunny, with a high near 93. Heat index values as high as 105. Light southeast wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 79. Southeast wind 5 to 10 mph becoming light south  after midnight.
Mostly Clear

Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 93.
Sunny then
Slight Chance
T-storms
Thursday
Night
Thursday Night: Mostly clear, with a low around 78.
Mostly Clear

Friday

Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 93.
Sunny then
Slight Chance
T-storms
Friday
Night
Friday Night: Mostly clear, with a low around 77.
Mostly Clear

Lo 79 °F Hi 93 °F Lo 79 °F Hi 95 °F Lo 79 °F Hi 93 °F Lo 78 °F Hi 93 °F Lo 77 °F

 

Overnight
 
Widespread haze. Mostly clear, with a low around 79. Southeast wind around 5 mph.
Tuesday
 
A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
 
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph.
Wednesday
 
Sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 79. Southeast wind 5 to 10 mph becoming light south after midnight.
Thursday
 
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.
Thursday Night
 
Mostly clear, with a low around 78.
Friday
 
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.
Friday Night
 
Mostly clear, with a low around 77.
Independence Day
 
Sunny, with a high near 94.
Saturday Night
 
Mostly clear, with a low around 78.
Sunday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Sunday Night
 
Mostly clear, with a low around 79.
Monday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

 

Forecast from NOAA-NWS for Houston TX.