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Markham, TX Weather Forecast
Markham, TX Weather Forecast Dated: 435 PM Fri Sep 04 2026
Expect a hot stretch with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Friday, September 4, 2026
Mid-Morning
85°F 30°C
Drizzle
Mid-Afternoon
90°F 32°C
Drizzle
Early-Evening
82°F 28°C
Heavy Rain
Sizzling hot near 90°F 32°C with a heat index reaching 102°F 39°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Thunderstorms possible in the afternoon and evening. Winds out of the SE at 13 mph 21 km/h.
Saturday, September 5, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
96°F 35°C
Overcast
Early-Evening
85°F 29°C
Overcast
Hot and sweltering around 96°F 35°C (heat index 102°F 39°C), scattered downpours possible, with lower humidity and steady pressure. Winds switching from the ENE to the SSE at 9 mph 15 km/h.
Sunday, September 6, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Cloudy
Early-Evening
87°F 31°C
Sunny
Dangerously hot with a high of 100°F 38°C (heat index near 106°F 41°C), sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the SSW to the SSE at 11 mph 17 km/h.
Monday, September 7, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
101°F 39°C
Sunny
Early-Evening
87°F 31°C
Sunny
Scorching heat reaching 101°F 39°C, feeling like 106°F 41°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds picking up from WSW at 4 mph 6 km/h to SSE at 13 mph 21 km/h. Gusts up to 22 mph 35 km/h.
Tuesday, September 8, 2026
Mid-Morning
85°F 29°C
Overcast
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
87°F 31°C
Partly Cloudy
Hot and sweltering around 99°F 37°C (heat index 104°F 40°C), overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds building from SW at 1 mph 2 km/h to SE at 11 mph 18 km/h.
Wednesday, September 9, 2026
Mid-Morning
85°F 30°C
Overcast
Mid-Afternoon
91°F 33°C
Light Showers
Early-Evening
85°F 30°C
Nearby Thunderstorms
Very hot with a high of 91°F 33°C, feeling closer to 97°F 36°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the ESE to the SE at 9 mph 14 km/h.
Thursday, September 10, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
85°F 30°C
Heavy Rain Showers
Sizzling hot near 93°F 34°C with a heat index reaching 99°F 37°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds switching from the NNE to the SE at 10 mph 16 km/h.
Friday, September 11, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
86°F 30°C
Partly Cloudy
Hot and sweltering around 94°F 34°C (heat index 99°F 37°C), scattered downpours possible, with steady humidity and steady pressure. Winds building from W at 4 mph 6 km/h to SSE at 12 mph 19 km/h.
Saturday, September 12, 2026
Mid-Morning
85°F 30°C
Scattered Showers
Mid-Afternoon
94°F 34°C
Partly Cloudy
Early-Evening
85°F 30°C
Sunny
Very hot with a high of 94°F 34°C, feeling closer to 100°F 38°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the SSW to the SSE at 10 mph 15 km/h.
Sunday, September 13, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
86°F 30°C
Sunny
Sizzling hot near 97°F 36°C with a heat index reaching 101°F 38°C, sunny throughout the day, with steady humidity and steady pressure. Winds picking up from SE at 4 mph 6 km/h to SE at 12 mph 19 km/h.
Monday, September 14, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
91°F 33°C
Scattered Showers
Early-Evening
84°F 29°C
Scattered Showers
Hot and sweltering around 91°F 33°C (heat index 96°F 36°C), scattered downpours possible, with steady humidity and steady pressure. Winds turning from the ESE to the SE at 11 mph 18 km/h.
Tuesday, September 15, 2026
Mid-Morning
84°F 29°C
Overcast
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
85°F 30°C
Partly Cloudy
Very hot with a high of 96°F 36°C, feeling closer to 101°F 38°C in the humidity, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds SE at 15 mph 24 km/h.
Wednesday, September 16, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
92°F 33°C
Light Showers
Early-Evening
84°F 29°C
Scattered Showers
Sizzling hot near 92°F 33°C with a heat index reaching 97°F 36°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds moving from the E to the ESE at 12 mph 19 km/h.
Thursday, September 17, 2026
Mid-Morning
84°F 29°C
Overcast
Mid-Afternoon
92°F 33°C
Overcast
Early-Evening
84°F 29°C
Overcast
Hot and sweltering around 92°F 33°C (heat index 97°F 36°C), overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the E to the ESE at 12 mph 19 km/h.
Markham, TX Weather Radar Map
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