Flat Lake, TX 14 Day Weather
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Flat Lake, TX Weather Forecast


Flat Lake, TX Weather Forecast Dated: 804 AM Sun Sep 20 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.
Sunday, September 20, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
96°F 36°C
Overcast
Early-Evening
91°F 33°C
Partly Cloudy
Very hot with temperatures reaching 96°F 36°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SSW to the SSE at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
78°F 25°C
Overcast
Mid-Afternoon
97°F 36°C
Overcast
Early-Evening
91°F 33°C
Overcast
Hot and sweltering around 97°F 36°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.
Tuesday, September 22, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
96°F 36°C
Scattered Showers
Early-Evening
90°F 32°C
Partly Cloudy
Very hot with a high of 96°F 36°C, feeling closer to 99°F 37°C in the humidity, locally heavy downpours at times, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
97°F 36°C
Overcast
Early-Evening
91°F 33°C
Overcast
Hot temperatures near 97°F 36°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the ENE to the ESE at 7 mph 12 km/h.
Thursday, September 24, 2026
Mid-Morning
83°F 28°C
Overcast
Mid-Afternoon
96°F 36°C
Overcast
Early-Evening
90°F 33°C
Overcast
Very hot with a high of 96°F 36°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the SW to the S at 6 mph 10 km/h.
Friday, September 25, 2026
Mid-Morning
82°F 28°C
Partly Cloudy
Mid-Afternoon
94°F 34°C
Cloudy
Early-Evening
85°F 30°C
Overcast
Very hot with a high of 94°F 34°C, feeling closer to 97°F 36°C in the humidity, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
78°F 25°C
Scattered Showers
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
86°F 30°C
Scattered Showers
Hot and sweltering around 94°F 34°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the NE to the ESE at 9 mph 13 km/h.
Sunday, September 27, 2026
Mid-Morning
79°F 26°C
Light Fog
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
85°F 30°C
Overcast
Hot and sweltering around 91°F 33°C (heat index 95°F 35°C), sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure falling.
Monday, September 28, 2026
Mid-Morning
77°F 25°C
Fog
Mid-Afternoon
74°F 23°C
Scattered Showers
Early-Evening
70°F 21°C
Light Showers
Mild temperatures up to 74°F 23°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the SW to the N at 9 mph 15 km/h. Gusts up to 23 mph 36 km/h.
Tuesday, September 29, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Very warm with a high of 80°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the NE to the ESE at 8 mph 13 km/h.
Wednesday, September 30, 2026
Mid-Morning
69°F 20°C
Partly Cloudy
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
80°F 27°C
Sunny
Warm and summery near 87°F 31°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SSE to the SE at 8 mph 13 km/h.
Thursday, October 1, 2026
Mid-Morning
73°F 23°C
Partly Cloudy
Mid-Afternoon
89°F 32°C
Cloudy
Early-Evening
81°F 28°C
Sunny
Balmy with temperatures reaching 89°F 32°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the ENE to the E at 8 mph 13 km/h.
Friday, October 2, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
82°F 28°C
Overcast
Quite warm around 89°F 32°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds E at 12 mph 19 km/h.
Saturday, October 3, 2026
Mid-Morning
74°F 23°C
Cloudy
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
83°F 28°C
Sunny
Hot temperatures near 90°F 32°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the E to the ENE at 9 mph 15 km/h. Gusts up to 21 mph 33 km/h.
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