Houston, TX Weather & Growing Conditions
Today
99°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny. High near 99, with temperatures falling to around 96 in the afternoon. Heat index values as high as 106. South wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 15% |
| Tonight | 80°F | Mostly Clear | 5 to 10 mph S | 13% |
| Wednesday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Wednesday Night | 79°F | Mostly Clear | 0 to 10 mph S | 13% |
| Thursday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 21% |
| Thursday Night | 80°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 21% |
| Friday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SE | 26% |
| Friday Night | 79°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 26% |
| Saturday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SE | 24% |
| Saturday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 24% |
| Sunday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SE | 27% |
| Sunday Night | 80°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 27% |
| Monday | 94°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 36% |
| Monday Night | 80°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Houston, TX
Last spring frost
Feb 2
First fall frost
Dec 25
Growing season
327 days
Hardiness zone
9b
Explore more for Houston, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Houston-Port, Tx (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.