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Grigsby, TX 14 Day Weather - WeatherWorld.com
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Grigsby, TX Weather Forecast
Grigsby, TX Weather Forecast Dated: 720 AM Wed Sep 09 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. Isolated storms at times.
Wednesday, September 9, 2026
Mid-Morning
80°F 26°C
Scattered Showers
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
89°F 32°C
Partly Cloudy
Sizzling hot near 97°F 36°C with a heat index reaching 100°F 38°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Thunderstorms possible in the afternoon and evening. Winds turning from the SSE to the SSW at 7 mph 11 km/h.
Thursday, September 10, 2026
Mid-Morning
80°F 27°C
Partly Cloudy
Mid-Afternoon
91°F 33°C
Scattered Showers
Early-Evening
86°F 30°C
Scattered Showers
Hot and sweltering around 91°F 33°C (heat index 95°F 35°C), scattered downpours possible, with lower humidity and barometric pressure falling.
Friday, September 11, 2026
Mid-Morning
78°F 26°C
Scattered Showers
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
86°F 30°C
Cloudy
Very hot with a high of 93°F 34°C, feeling closer to 98°F 37°C in the humidity, locally heavy downpours at times, with lower humidity and barometric pressure falling. A stray shower or storm late in the day.
Saturday, September 12, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
83°F 28°C
Overcast
Sizzling hot near 93°F 34°C with a heat index reaching 98°F 37°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the SSW to the SSE at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot and sweltering around 96°F 36°C (heat index 100°F 38°C), sunny throughout the day, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
81°F 27°C
Fog
Mid-Afternoon
97°F 36°C
Partly Cloudy
Early-Evening
90°F 32°C
Sunny
Very hot with a high of 97°F 36°C, feeling closer to 101°F 38°C in the humidity, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
82°F 28°C
Fog
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Sizzling hot near 98°F 37°C with a heat index reaching 102°F 39°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
97°F 36°C
Overcast
Early-Evening
89°F 32°C
Scattered Showers
Hot and sweltering around 97°F 36°C (heat index 101°F 38°C), scattered downpours possible, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
86°F 30°C
Cloudy
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
87°F 31°C
Scattered Showers
Very hot with a high of 93°F 34°C, feeling closer to 98°F 37°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
88°F 31°C
Overcast
Sizzling hot near 98°F 37°C with a heat index reaching 102°F 39°C, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
82°F 28°C
Light Fog
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
90°F 33°C
Sunny
Very hot with temperatures reaching 98°F 37°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the S to the SSW at 7 mph 11 km/h.
Sunday, September 20, 2026
Mid-Morning
81°F 27°C
Fog
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
89°F 32°C
Partly Cloudy
Hot and sweltering around 97°F 36°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the SSE to the S at 7 mph 11 km/h.
Monday, September 21, 2026
Mid-Morning
79°F 26°C
Fog
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
90°F 33°C
Sunny
Sizzling hot near 97°F 36°C with a heat index reaching 100°F 38°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds shifting from the SSE to the SE at 7 mph 11 km/h.
Tuesday, September 22, 2026
Mid-Morning
81°F 27°C
Light Fog
Mid-Afternoon
91°F 33°C
Light Showers
Early-Evening
84°F 29°C
Scattered Showers
Hot and sweltering around 91°F 33°C (heat index 95°F 35°C), scattered downpours possible, with steady humidity and steady pressure.
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