Markham, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Markham, a community in Matagorda County, Texas.
Today
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 106. South wind 5 to 15 mph.
7-day forecast for Markham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 5 to 15 mph S | 4% |
| Tonight | 78°F | Mostly Clear | 5 to 15 mph S | 0% |
| Wednesday | 94°F | Sunny | 5 to 15 mph S | 2% |
| Wednesday Night | 78°F | Mostly Clear | 5 to 15 mph SE | 1% |
| Thursday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph S | 23% |
| Thursday Night | 78°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 15 mph SE | 23% |
| Friday | 93°F | Chance Showers And Thunderstorms | 5 to 15 mph SE | 33% |
| Friday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 15 mph SE | 33% |
| Saturday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph E | 25% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 25% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 28% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph SE | 28% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 30% |
| Monday Night | 78°F | Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph S | 30% |
Forecast source: National Weather Service (api.weather.gov) for Markham (28.963, -96.064). Updated through the day.
Growing snapshot for Markham
Last spring frost
Feb 20
First fall frost
Dec 3
Growing season
290 days
Hardiness zone
9b
More local growing data for Markham: nearby ZIP 77456 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bay City Wtr Wks, Tx (7.8 mi from Markham). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.