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Big Lagoon, LA Weather Forecast
Big Lagoon, LA Weather Forecast Dated: 1101 PM Fri Sep 11 2026
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Friday, September 11, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
93°F 34°C
Partly Cloudy
Early-Evening
89°F 32°C
Partly Cloudy
Sizzling hot near 93°F 34°C with a heat index reaching 101°F 38°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
101°F 38°C
Partly Cloudy
Early-Evening
90°F 32°C
Overcast
Sweltering temperatures near 101°F 38°C with a heat index of 104°F 40°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SW to the S at 11 mph 17 km/h.
Sunday, September 13, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
101°F 38°C
Partly Cloudy
Early-Evening
90°F 33°C
Overcast
Dangerously hot with a high of 101°F 38°C (heat index near 105°F 40°C), sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the SW to the SE at 6 mph 9 km/h.
Monday, September 14, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Partly Cloudy
Early-Evening
89°F 32°C
Cloudy
Scorching heat reaching 100°F 38°C, feeling like 104°F 40°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
101°F 38°C
Partly Cloudy
Early-Evening
91°F 33°C
Overcast
Sweltering temperatures near 101°F 38°C with a heat index of 105°F 41°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the WSW to the SSE at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
91°F 33°C
Partly Cloudy
Dangerously hot with a high of 101°F 38°C (heat index near 105°F 40°C), sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the SSE to the SE at 10 mph 17 km/h. Gusts up to 21 mph 33 km/h.
Thursday, September 17, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
99°F 37°C
Partly Cloudy
Early-Evening
89°F 32°C
Scattered Showers
Sizzling hot near 99°F 37°C with a heat index reaching 103°F 39°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds shifting from the NW to the S at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
97°F 36°C
Partly Cloudy
Early-Evening
79°F 26°C
Overcast
Hot and sweltering around 97°F 36°C (heat index 102°F 39°C), sunny in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds increasing from the NNW at 4 mph 6 km/h to E at 14 mph 23 km/h. Gusts up to 22 mph 36 km/h.
Saturday, September 19, 2026
Mid-Morning
81°F 27°C
Partly Cloudy
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
82°F 28°C
Partly Cloudy
Very hot with a high of 98°F 37°C, feeling closer to 103°F 39°C in the humidity, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds out of the E at 5 mph 9 km/h.
Sunday, September 20, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
80°F 27°C
Overcast
Sizzling hot near 90°F 32°C with a heat index reaching 95°F 35°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds moving from the NNE to the NE at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.
Monday, September 21, 2026
Mid-Morning
78°F 26°C
Scattered Showers
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
84°F 29°C
Partly Cloudy
Very hot with temperatures reaching 93°F 34°C, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the NNE to the NE at 7 mph 11 km/h.
Tuesday, September 22, 2026
Mid-Morning
77°F 25°C
Fog
Mid-Afternoon
87°F 30°C
Cloudy
Early-Evening
81°F 27°C
Cloudy
Very warm near 87°F 30°C, though humidity makes it feel like 90°F 32°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds shifting from the NE to the E at 9 mph 14 km/h.
Wednesday, September 23, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
85°F 29°C
Partly Cloudy
Sizzling hot with 93°F 34°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds turning from the E to the SE at 10 mph 15 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 24, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
96°F 35°C
Partly Cloudy
Early-Evening
85°F 30°C
Partly Cloudy
Hot temperatures near 96°F 35°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
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