Markham, TX Weather & Growing Conditions
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. East wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 0 to 5 mph E | 7% |
| Saturday | 94°F | Sunny | 5 to 10 mph E | 7% |
| Saturday Night | 75°F | Mostly Clear | 0 to 10 mph E | 7% |
| Sunday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph E | 20% |
| Sunday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SE | 20% |
| Monday | 94°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 27% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 27% |
| Tuesday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 18% |
| Tuesday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 18% |
| Wednesday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 23% |
| Wednesday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph E | 23% |
| Thursday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 16% |
| Thursday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph E | 16% |
| Friday | 93°F | Sunny | 5 to 10 mph NE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Markham, TX
Last spring frost
Feb 20
First fall frost
Dec 3
Growing season
290 days
Hardiness zone
9b
Explore more for Markham, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Bay City Wtr Wks, Tx (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.