Costello, LA 14 Day Weather
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Costello, LA Weather Forecast


Costello, LA Weather Forecast Dated: 1254 AM Tue Sep 22 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.
Tuesday, September 22, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
98°F 36°C
Partly Cloudy
Early-Evening
89°F 32°C
Sunny
Very hot with temperatures reaching 98°F 36°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the WNW to the N at 10 mph 16 km/h.
Wednesday, September 23, 2026
Mid-Morning
80°F 26°C
Sunny
Mid-Afternoon
97°F 36°C
Cloudy
Early-Evening
89°F 32°C
Sunny
Hot and sweltering around 97°F 36°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the NE to the NNE at 13 mph 20 km/h. Gusts up to 26 mph 42 km/h.
Thursday, September 24, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
83°F 28°C
Sunny
Sizzling hot with 91°F 33°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds moving from the NE to the N at 10 mph 16 km/h.
Friday, September 25, 2026
Mid-Morning
78°F 25°C
Overcast
Mid-Afternoon
94°F 34°C
Overcast
Early-Evening
85°F 30°C
Overcast
Hot temperatures near 94°F 34°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the ESE to the SE at 8 mph 12 km/h.
Saturday, September 26, 2026
Mid-Morning
79°F 26°C
Cloudy
Mid-Afternoon
93°F 34°C
Overcast
Early-Evening
86°F 30°C
Overcast
Very hot with a high of 93°F 34°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the S to the SE at 8 mph 13 km/h.
Sunday, September 27, 2026
Mid-Morning
80°F 27°C
Partly Cloudy
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
71°F 22°C
Heavy Rain
Pleasant near 79°F 26°C, dry most of the day, with showers developing late, with increasing humidity and steady pressure. Winds turning from the SSW to the SW at 6 mph 9 km/h.
Monday, September 28, 2026
Mid-Morning
75°F 24°C
Partly Cloudy
Mid-Afternoon
86°F 30°C
Scattered Showers
Early-Evening
82°F 28°C
Overcast
Warm and summery around 86°F 30°C (feels like 90°F 32°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds out of the SW at 8 mph 12 km/h.
Tuesday, September 29, 2026
Mid-Morning
74°F 23°C
Partly Cloudy
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
79°F 26°C
Scattered Showers
Quite warm reaching 84°F 29°C, feeling like 87°F 31°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the SSW at 8 mph 13 km/h.
Wednesday, September 30, 2026
Mid-Morning
78°F 25°C
Light Fog
Mid-Afternoon
88°F 31°C
Partly Cloudy
Early-Evening
83°F 28°C
Overcast
Very warm near 88°F 31°C, though humidity makes it feel like 92°F 33°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the SSE to the ESE at 8 mph 13 km/h.
Thursday, October 1, 2026
Mid-Morning
78°F 25°C
Overcast
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
84°F 29°C
Overcast
Very hot with a high of 91°F 33°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds out of the ESE at 6 mph 10 km/h.
Friday, October 2, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
75°F 24°C
Sunny
Warm and summery near 87°F 30°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the NNE at 13 mph 21 km/h. Gusts up to 28 mph 45 km/h.
Saturday, October 3, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
78°F 26°C
Cloudy
Early-Evening
73°F 23°C
Cloudy
Comfortable with temperatures reaching 78°F 26°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds NNE at 14 mph 23 km/h.
Sunday, October 4, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
85°F 29°C
Cloudy
Early-Evening
77°F 25°C
Overcast
Quite warm around 85°F 29°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NE to the NNE at 11 mph 17 km/h. Gusts up to 24 mph 38 km/h.
Monday, October 5, 2026
Mid-Morning
76°F 24°C
Overcast
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
85°F 29°C
Overcast
Hot temperatures near 91°F 33°C, overcast throughout the day, with lower humidity and steady pressure. Winds blowing from the E at 10 mph 16 km/h. Gusts up to 22 mph 36 km/h.
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