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McNair, TX Weather Forecast
McNair, TX Weather Forecast Dated: 205 AM Fri Sep 11 2026
Expect a hot stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. A few thunderstorms possible.
Friday, September 11, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
92°F 33°C
Scattered Showers
Early-Evening
80°F 27°C
Scattered Showers
Sizzling hot near 92°F 33°C with a heat index reaching 100°F 38°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds turning from the SW to the S at 9 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
82°F 28°C
Overcast
Quite warm reaching 83°F 28°C, feeling like 89°F 32°C during peak afternoon, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
84°F 29°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
85°F 29°C
Sunny
Very hot with a high of 91°F 33°C, feeling closer to 100°F 38°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the S to the SE at 10 mph 15 km/h.
Monday, September 14, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
85°F 30°C
Sunny
Sizzling hot near 91°F 33°C with a heat index reaching 101°F 39°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds SE at 12 mph 19 km/h.
Tuesday, September 15, 2026
Mid-Morning
84°F 29°C
Overcast
Mid-Afternoon
91°F 33°C
Scattered Showers
Early-Evening
85°F 30°C
Sunny
Hot and sweltering around 91°F 33°C (heat index 99°F 37°C), scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the S to the SSE at 10 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
85°F 30°C
Scattered Showers
Very hot with a high of 90°F 32°C, feeling closer to 99°F 37°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the ENE to the SE at 8 mph 13 km/h.
Thursday, September 17, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
89°F 32°C
Scattered Showers
Early-Evening
85°F 29°C
Light Showers
Warm and summery around 89°F 32°C (feels like 97°F 36°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure. A stray shower or storm late in the day.
Friday, September 18, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
86°F 30°C
Scattered Showers
Hot and sweltering around 92°F 33°C (heat index 98°F 37°C), scattered downpours possible, with lower humidity and steady pressure. Winds turning from the NE to the S at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
94°F 35°C
Overcast
Early-Evening
87°F 31°C
Scattered Showers
Very hot with a high of 94°F 35°C, feeling closer to 100°F 38°C in the humidity, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds switching from the W to the S at 8 mph 13 km/h.
Sunday, September 20, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
92°F 34°C
Scattered Showers
Early-Evening
86°F 30°C
Sunny
Sizzling hot near 92°F 34°C with a heat index reaching 96°F 36°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
85°F 29°C
Sunny
Warm and summery near 89°F 32°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the ESE to the NNE at 7 mph 11 km/h.
Tuesday, September 22, 2026
Mid-Morning
78°F 25°C
Sunny
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot and sweltering around 92°F 33°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
80°F 27°C
Light Showers
Mid-Afternoon
90°F 32°C
Cloudy
Early-Evening
84°F 29°C
Overcast
Sizzling hot near 90°F 32°C with a heat index reaching 96°F 36°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds swinging from the WSW to the NNE at 8 mph 13 km/h.
Thursday, September 24, 2026
Mid-Morning
79°F 26°C
Scattered Showers
Mid-Afternoon
89°F 32°C
Cloudy
Early-Evening
82°F 28°C
Overcast
Warm temperatures up to 89°F 32°C, scattered downpours possible, with lower humidity and steady pressure. Winds out of the NE at 7 mph 12 km/h.
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