Tomball, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tomball, a city in Harris County, Texas.
This Afternoon
96°F
Sunny
Sunny, with a high near 96. East wind around 10 mph.
7-day forecast for Tomball
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Sunny | 10 mph E | 0% |
| Tonight | 72°F | Clear | 0 to 10 mph SE | 0% |
| Saturday | 97°F | Sunny | 0 to 10 mph E | 0% |
| Saturday Night | 74°F | Mostly Clear | 0 to 10 mph SE | 0% |
| Sunday | 97°F | Sunny | 0 to 5 mph SE | 9% |
| Sunday Night | 76°F | Partly Cloudy | 0 to 10 mph S | 9% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph S | 8% |
| Monday Night | 76°F | Mostly Clear | 0 to 5 mph S | 8% |
| Tuesday | 97°F | Sunny | 0 to 5 mph N | 9% |
| Tuesday Night | 77°F | Mostly Clear | 0 to 5 mph NE | 9% |
| Wednesday | 97°F | Sunny | 0 to 10 mph NE | 4% |
| Wednesday Night | 75°F | Partly Cloudy | 0 to 10 mph NE | 4% |
| Thursday | 95°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 74°F | Mostly Clear | 0 to 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Tomball (30.095, -95.620). Updated through the day.
Growing snapshot for Tomball
Last spring frost
Feb 19
First fall frost
Dec 3
Growing season
290 days
Hardiness zone
9b
More local growing data for Tomball: nearby ZIP 77375 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Houston Hooks Mem Ap, Tx (2.6 mi from Tomball). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.