Tomball, TX Weather & Growing Conditions
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 5 mph NW | 1% |
| Wednesday | 77°F | Sunny | 5 mph N | 0% |
| Wednesday Night | 53°F | Clear | 0 to 5 mph NE | 2% |
| Thursday | 80°F | Mostly Sunny then Chance Rain Showers | 0 to 5 mph E | 26% |
| Thursday Night | 58°F | Slight Chance Rain Showers | 0 to 10 mph N | 19% |
| Friday | 77°F | Sunny | 5 to 10 mph N | 4% |
| Friday Night | 53°F | Mostly Clear | 5 mph N | 1% |
| Saturday | 73°F | Partly Sunny | 5 to 10 mph N | 9% |
| Saturday Night | 50°F | Mostly Cloudy | 5 mph N | 16% |
| Sunday | 71°F | Mostly Sunny | 5 to 10 mph N | 15% |
| Sunday Night | 47°F | Mostly Clear | 0 to 5 mph N | 4% |
| Monday | 73°F | Sunny | 5 mph N | 15% |
| Monday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 76°F | Mostly Sunny | 0 to 5 mph E | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tomball, TX
Last spring frost
Feb 19
First fall frost
Dec 3
Growing season
290 days
Hardiness zone
9b
Explore more for Tomball, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Houston Hooks Mem Ap, Tx (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.