Costello, LA 14 Day Weather

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Costello LA Weather - Overcast - 75°F
Overcast
75°F
Updated 12:54 am
Feels Like 77°F
Humidity 79%
Wind N 0 mph
Barometer  29.94 in
Dew Point 69°F
Costello LA Weather - Overcast - 24°C
Overcast
24°C
Updated 12:54 am
Feels Like 25°C
Humidity 79%
Wind N 0 km/h
Barometer  101.3 kPa
Dew Point 20°C
Costello, LA Weather and Current Conditionscostello la weather forecast

Costello, LA Weather Forecast

Costello Louisiana WeatherCostello, Louisiana Weather Weather Forecast
14 day API forecast for Costello. Note. The 7-day Costello weather forecast is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
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
Costello Weather - 2026-09-22 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Costello Weather - 2026-09-22 - Afternoon - Partly Cloudy
98°F 36°C
Partly Cloudy
Early-Evening
Costello Weather - 2026-09-22 - Evening - Sunny
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
Costello Weather - 2026-09-23 - Morning - Sunny
80°F 26°C
Sunny
Mid-Afternoon
Costello Weather - 2026-09-23 - Afternoon - Cloudy
97°F 36°C
Cloudy
Early-Evening
Costello Weather - 2026-09-23 - Evening - Sunny
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
Costello Weather - 2026-09-24 - Morning - Overcast
74°F 23°C
Overcast
Mid-Afternoon
Costello Weather - 2026-09-24 - Afternoon - Overcast
91°F 33°C
Overcast
Early-Evening
Costello Weather - 2026-09-24 - Evening - Sunny
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
Costello Weather - 2026-09-25 - Morning - Overcast
78°F 25°C
Overcast
Mid-Afternoon
Costello Weather - 2026-09-25 - Afternoon - Overcast
94°F 34°C
Overcast
Early-Evening
Costello Weather - 2026-09-25 - Evening - Overcast
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
Costello Weather - 2026-09-26 - Morning - Cloudy
79°F 26°C
Cloudy
Mid-Afternoon
Costello Weather - 2026-09-26 - Afternoon - Overcast
93°F 34°C
Overcast
Early-Evening
Costello Weather - 2026-09-26 - Evening - Overcast
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
Costello Weather - 2026-09-27 - Morning - Partly Cloudy
80°F 27°C
Partly Cloudy
Mid-Afternoon
Costello Weather - 2026-09-27 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Costello Weather - 2026-09-27 - Evening - Heavy Rain
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
Costello Weather - 2026-09-28 - Morning - Partly Cloudy
75°F 24°C
Partly Cloudy
Mid-Afternoon
Costello Weather - 2026-09-28 - Afternoon - Scattered Showers
86°F 30°C
Scattered Showers
Early-Evening
Costello Weather - 2026-09-28 - Evening - Overcast
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
Costello Weather - 2026-09-29 - Morning - Partly Cloudy
74°F 23°C
Partly Cloudy
Mid-Afternoon
Costello Weather - 2026-09-29 - Afternoon - Overcast
84°F 29°C
Overcast
Early-Evening
Costello Weather - 2026-09-29 - Evening - Scattered Showers
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
Costello Weather - 2026-09-30 - Morning - Light Fog
78°F 25°C
Light Fog
Mid-Afternoon
Costello Weather - 2026-09-30 - Afternoon - Partly Cloudy
88°F 31°C
Partly Cloudy
Early-Evening
Costello Weather - 2026-09-30 - Evening - Overcast
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
Costello Weather - 2026-10-01 - Morning - Overcast
78°F 25°C
Overcast
Mid-Afternoon
Costello Weather - 2026-10-01 - Afternoon - Partly Cloudy
91°F 33°C
Partly Cloudy
Early-Evening
Costello Weather - 2026-10-01 - Evening - Overcast
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
Costello Weather - 2026-10-02 - Morning - Sunny
76°F 25°C
Sunny
Mid-Afternoon
Costello Weather - 2026-10-02 - Afternoon - Sunny
87°F 30°C
Sunny
Early-Evening
Costello Weather - 2026-10-02 - Evening - Sunny
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
Costello Weather - 2026-10-03 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Costello Weather - 2026-10-03 - Afternoon - Cloudy
78°F 26°C
Cloudy
Early-Evening
Costello Weather - 2026-10-03 - Evening - Cloudy
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
Costello Weather - 2026-10-04 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Costello Weather - 2026-10-04 - Afternoon - Cloudy
85°F 29°C
Cloudy
Early-Evening
Costello Weather - 2026-10-04 - Evening - Overcast
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
Costello Weather - 2026-10-05 - Morning - Overcast
76°F 24°C
Overcast
Mid-Afternoon
Costello Weather - 2026-10-05 - Afternoon - Overcast
91°F 33°C
Overcast
Early-Evening
Costello Weather - 2026-10-05 - Evening - Overcast
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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Weather by the Numbers

Tue, 22nd
Costello LA Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 98°F 36°C
Lo: 72°F 22°C
Sunrise 06:54 AM
Sunset 07:02 PM
Wind N 8 mph12 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 43%
Wed, 23rd
Costello LA Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 97°F 36°C
Lo: 73°F 23°C
Sunrise 06:54 AM
Sunset 07:01 PM
Wind NE 11 mph18 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 38%
Thu, 24th
Costello LA Weather - Thursday, Sep 24, 2026 - Overcast
Hi: 92°F 33°C
Lo: 68°F 20°C
Sunrise 06:55 AM
Sunset 06:59 PM
Wind NNE 11 mph17 km/h
Dew Point 55°F13°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 10% *
Humidity 35%
Fri, 25th
Costello LA Weather - Friday, Sep 25, 2026 - Sunny
Hi: 94°F 34°C
Lo: 70°F 21°C
Sunrise 06:56 AM
Sunset 06:58 PM
Wind E 7 mph12 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 47%
Sat, 26th
Costello LA Weather - Saturday, Sep 26, 2026 - Partly Cloudy
Hi: 94°F 35°C
Lo: 71°F 22°C
Sunrise 06:56 AM
Sunset 06:57 PM
Wind S 7 mph12 km/h
Dew Point 64°F18°C
uv Index 8
Barometric Pressure 30.03 in1017 mb
POP 8% *
Humidity 44%
Sun, 27th
Costello LA Weather - Sunday, Sep 27, 2026 - Partly Cloudy
Hi: 94°F 34°C
Lo: 70°F 21°C
Sunrise 06:57 AM
Sunset 06:55 PM
Wind SW 7 mph12 km/h
Dew Point 65°F18°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 7% *
Humidity 44%
Mon, 28th
Costello LA Weather - Monday, Sep 28, 2026 - Sunny
Hi: 87°F 30°C
Lo: 69°F 21°C
Sunrise 06:58 AM
Sunset 06:54 PM
Wind SSW 9 mph14 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 17% *
Humidity 62%
Tue, 29th
Costello LA Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 87°F 31°C
Lo: 67°F 19°C
Sunrise 06:58 AM
Sunset 06:53 PM
Wind S 8 mph12 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 11% *
Humidity 51%
Wed, 30th
Costello LA Weather - Wednesday, Sep 30, 2026 - Patchy Rain Nearby
Hi: 91°F 33°C
Lo: 71°F 22°C
Sunrise 06:59 AM
Sunset 06:51 PM
Wind S 6 mph10 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 7% *
Humidity 53%
Thu, 1st
Costello LA Weather - Thursday, Oct 1, 2026 - Overcast
Hi: 91°F 33°C
Lo: 71°F 22°C
Sunrise 07:00 AM
Sunset 06:50 PM
Wind SE 9 mph14 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 5% *
Humidity 45%
Fri, 2nd
Costello LA Weather - Friday, Oct 2, 2026 - Cloudy
Hi: 87°F 30°C
Lo: 69°F 20°C
Sunrise 07:00 AM
Sunset 06:49 PM
Wind NNE 12 mph19 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 4% *
Humidity 54%
Sat, 3rd
Costello LA Weather - Saturday, Oct 3, 2026 - Sunny
Hi: 79°F 26°C
Lo: 64°F 18°C
Sunrise 07:01 AM
Sunset 06:47 PM
Wind NE 15 mph24 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 6% *
Humidity 52%
Sun, 4th
Costello LA Weather - Sunday, Oct 4, 2026 - Overcast
Hi: 86°F 30°C
Lo: 59°F 15°C
Sunrise 07:02 AM
Sunset 06:46 PM
Wind NE 11 mph17 km/h
Dew Point 49°F10°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 8% *
Humidity 35%
Mon, 5th
Costello LA Weather - Monday, Oct 5, 2026 - Overcast
Hi: 92°F 33°C
Lo: 66°F 19°C
Sunrise 07:03 AM
Sunset 06:45 PM
Wind ESE 8 mph13 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 10% *
Humidity 38%
* POP = Probability of Precipitation. Data for 12:00 PM.