Mont Belvieu, TX Weather & Growing Conditions
Today
92°F
Sunny
Sunny, with a high near 92. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Sunny | 0 to 5 mph E | 1% |
| Tonight | 74°F | Mostly Clear | 0 to 5 mph SE | 14% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 20% |
| Sunday Night | 76°F | Partly Cloudy | 0 to 5 mph SE | 1% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 18% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph W | 18% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 15% |
| Tuesday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 15% |
| Wednesday | 94°F | Sunny | 0 to 5 mph NE | 8% |
| Wednesday Night | 75°F | Mostly Clear | 0 to 5 mph NE | 8% |
| Thursday | 91°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 73°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 90°F | Mostly Sunny | 5 mph NE | 5% |
| Friday Night | 73°F | Partly Cloudy | 0 to 5 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mont Belvieu, TX
Last spring frost
Feb 20
First fall frost
Dec 4
Growing season
292 days
Hardiness zone
9b
Explore more for Mont Belvieu, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Baytown, Tx (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.