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Markham, TX Weather Forecast
Markham, TX Weather Forecast Date: 124 PM CDT Fri Sep 04 2026
The area/counties/county of: Inland Matagorda, including the city of Bay City.or toggle through each period.
This Afternoon... Partly sunny with a chance of showers and thunderstorms. Near steady temperature in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 50%. Heat index values up to 105.
Tonight... Partly cloudy. A slight chance of showers after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 20%.
Saturday... Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Humid with highs in the lower 90s. Northeast winds around 5 mph, becoming southeast in the afternoon. Chance of rain 60%. Heat index values up to 105.
Saturday Night... Mostly cloudy in the evening, then clearing. A chance of showers after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 40%.
Sunday... Mostly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. Humid with highs in the lower 90s. Southeast winds around 5 mph. Chance of rain 80%. Heat index values up to 105.
Sunday Night... Mostly clear. Lows in the mid 70s.
Labor Day... Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50%. Heat index values up to 105.
Monday Night... Mostly clear. Lows in the mid 70s.
Tuesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50%. Heat index values up to 110.
Tuesday Night... Mostly clear. Lows in the mid 70s.
Wednesday... Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50%. Heat index values up to 105.
Wednesday Night... Partly cloudy in the evening, then clearing. Lows in the mid 70s.
POP = Probability of Precipitation
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