Houston, TX Weather & Growing Conditions
Today
100°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny. High near 100, with temperatures falling to around 97 in the afternoon. Heat index values as high as 107. 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 | 100°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 18% |
| Tonight | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph S | 17% |
| Wednesday | 99°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 20% |
| Wednesday Night | 79°F | Mostly Clear | 5 to 10 mph S | 12% |
| Thursday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 22% |
| Thursday Night | 79°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 22% |
| Friday | 96°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SE | 25% |
| Friday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 25% |
| Saturday | 96°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 | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SE | 24% |
| Sunday Night | 79°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph S | 24% |
| Monday | 95°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 34% |
| Monday Night | 79°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 34% |
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 (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.