Cost, TX 14 Day Weather - 78614 WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon


Cost, TX Weather Forecast


Cost, TX Weather Forecast Dated: 1020 AM Wed Sep 09 2026
Expect a hot stretch with plenty of sunshine 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
84°F 29°C
Cloudy
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
88°F 31°C
Scattered Showers
Sizzling hot near 93°F 34°C with a heat index reaching 103°F 40°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds picking up from S at 3 mph 5 km/h to SSE at 12 mph 19 km/h.
Thursday, September 10, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
96°F 36°C
Scattered Showers
Early-Evening
88°F 31°C
Scattered Showers
Hot and sweltering around 96°F 36°C (heat index 101°F 38°C), scattered downpours possible, with lower humidity and barometric pressure falling. Winds switching from the S to the SSE at 9 mph 14 km/h.
Friday, September 11, 2026
Mid-Morning
82°F 28°C
Partly Cloudy
Mid-Afternoon
97°F 36°C
Partly Cloudy
Early-Evening
89°F 32°C
Partly Cloudy
Very hot with a high of 97°F 36°C, feeling closer to 101°F 39°C in the humidity, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SSW to the SSE at 15 mph 23 km/h. Gusts up to 21 mph 34 km/h.
Saturday, September 12, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
101°F 38°C
Overcast
Early-Evening
88°F 31°C
Sunny
Scorching heat reaching 101°F 38°C, feeling like 105°F 41°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds swinging from the S to the SE at 18 mph 29 km/h. Gusts up to 23 mph 36 km/h.
Sunday, September 13, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
98°F 36°C
Nearby Thunderstorms
Early-Evening
91°F 33°C
Scattered Showers
Hot and sweltering around 98°F 36°C (heat index 103°F 39°C), scattered downpours possible, with lower humidity and steady pressure. A stray shower or storm late in the day. Winds building from SSE at 8 mph 13 km/h to SE at 17 mph 27 km/h. Gusts up to 26 mph 42 km/h.
Monday, September 14, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
91°F 33°C
Nearby Thunderstorms
Dangerously hot with a high of 100°F 38°C (heat index near 105°F 41°C), heavy thunderstorms conditions at times, with lower humidity and steady pressure. Winds turning from the SSE to the SE at 17 mph 27 km/h. Gusts up to 23 mph 38 km/h.
Tuesday, September 15, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
91°F 33°C
Nearby Thunderstorms
Sizzling hot near 99°F 37°C with a heat index reaching 104°F 40°C, periods of heavy thunderstorms, with lower humidity and steady pressure. Winds picking up from SSE at 7 mph 12 km/h to SE at 15 mph 25 km/h. Gusts up to 22 mph 36 km/h.
Wednesday, September 16, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
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. Winds building from SSE at 5 mph 8 km/h to SE at 15 mph 23 km/h. Gusts up to 22 mph 35 km/h.
Thursday, September 17, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
91°F 33°C
Cloudy
Very hot with a high of 98°F 37°C, feeling closer to 101°F 38°C in the humidity, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds increasing from the SE at 2 mph 4 km/h to SE at 12 mph 19 km/h.
Friday, September 18, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
93°F 34°C
Partly Cloudy
Early-Evening
89°F 31°C
Light Showers
Sizzling hot near 93°F 34°C with a heat index reaching 98°F 37°C, drier conditions through late afternoon before showers move in, with lower humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
92°F 34°C
Sunny
Hot and sweltering around 98°F 37°C (heat index 102°F 39°C), sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the SW to the SE at 10 mph 16 km/h.
Sunday, September 20, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
92°F 33°C
Sunny
Hot and sweltering around 99°F 37°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SSW to the SE at 10 mph 16 km/h.
Monday, September 21, 2026
Mid-Morning
81°F 27°C
Light Fog
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
91°F 32°C
Sunny
Sizzling hot with 98°F 37°C, sunny throughout the day, with lower humidity and steady pressure. Winds increasing from the SSW at 3 mph 5 km/h to SE at 12 mph 19 km/h.
Tuesday, September 22, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
88°F 31°C
Cloudy
Hot temperatures near 97°F 36°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the NNE at 13 mph 20 km/h.
Cost, TX Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World