Harman US

Markham, TX Weather & Growing Conditions

Overnight
57°F
Mostly Clear
Mostly clear, with a low around 57. North wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 57°F Mostly Clear 5 mph N 0%
Wednesday 77°F Sunny 5 to 10 mph N 0%
Wednesday Night 57°F Mostly Clear 0 to 5 mph NE 0%
Thursday 80°F Mostly Sunny 5 mph E 11%
Thursday Night 64°F Chance Showers And Thunderstorms 0 to 10 mph NE 34%
Friday 79°F Mostly Sunny 5 to 10 mph N 5%
Friday Night 58°F Partly Cloudy 5 to 10 mph N 0%
Saturday 76°F Partly Sunny 5 to 10 mph NE 5%
Saturday Night 55°F Slight Chance Rain Showers then Mostly Cloudy 5 to 15 mph NE 17%
Sunday 69°F Slight Chance Rain Showers then Mostly Sunny 5 to 15 mph N 18%
Sunday Night 50°F Partly Cloudy 5 mph N 10%
Monday 71°F Mostly Sunny 0 to 5 mph NE 7%
Monday Night 51°F Partly Cloudy 0 to 5 mph NE 1%
Tuesday 74°F Mostly Sunny 0 to 5 mph E 3%

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 Nov 4, 2026.