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Upper Flat, LA Weather Forecast
Upper Flat, LA Weather Forecast Dated: 413 AM Sat Sep 19 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. Isolated storms at times.
Saturday, September 19, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
85°F 30°C
Sunny
Sizzling hot near 96°F 36°C with a heat index reaching 99°F 37°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
94°F 34°C
Scattered Showers
Early-Evening
83°F 28°C
Partly Cloudy
Hot and sweltering around 94°F 34°C (heat index 98°F 37°C), scattered downpours possible, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
94°F 34°C
Overcast
Early-Evening
76°F 24°C
Heavy Rain Showers
Very hot with a high of 94°F 34°C, feeling closer to 99°F 37°C in the humidity, dry most of the day, with showers developing late, with increasing humidity and steady pressure. A stray shower or storm late in the day.
Tuesday, September 22, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
95°F 35°C
Partly Cloudy
Early-Evening
84°F 29°C
Cloudy
Sizzling hot near 95°F 35°C with a heat index reaching 99°F 37°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. A stray shower or storm late in the day.
Wednesday, September 23, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
86°F 30°C
Scattered Showers
Hot and sweltering around 91°F 33°C (heat index 97°F 36°C), scattered downpours possible, with lower humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
95°F 35°C
Cloudy
Early-Evening
86°F 30°C
Partly Cloudy
Very hot with a high of 95°F 35°C, feeling closer to 99°F 37°C in the humidity, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
81°F 27°C
Overcast
Hot and sweltering around 91°F 33°C, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds out of the NNE at 9 mph 14 km/h. Gusts up to 20 mph 33 km/h.
Saturday, September 26, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
79°F 26°C
Sunny
Quite warm around 89°F 32°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the NNE at 9 mph 15 km/h.
Sunday, September 27, 2026
Mid-Morning
74°F 24°C
Sunny
Mid-Afternoon
85°F 30°C
Cloudy
Early-Evening
78°F 26°C
Overcast
Warm temperatures up to 85°F 30°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the ENE to the E at 8 mph 14 km/h.
Monday, September 28, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
78°F 26°C
Sunny
Very warm with a high of 89°F 32°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the ENE to the ESE at 7 mph 11 km/h.
Tuesday, September 29, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
84°F 29°C
Scattered Showers
Early-Evening
78°F 25°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 shifting from the E to the ESE at 9 mph 14 km/h.
Wednesday, September 30, 2026
Mid-Morning
76°F 24°C
Light Fog
Mid-Afternoon
88°F 31°C
Partly Cloudy
Early-Evening
78°F 26°C
Scattered Showers
Very warm near 88°F 31°C, though humidity makes it feel like 92°F 33°C, locally heavy downpours at times, with steady humidity and steady pressure.
Thursday, October 1, 2026
Mid-Morning
79°F 26°C
Light Fog
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
79°F 27°C
Scattered Showers
Warm and summery around 88°F 31°C (feels like 94°F 35°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Friday, October 2, 2026
Mid-Morning
76°F 24°C
Fog
Mid-Afternoon
86°F 30°C
Scattered Showers
Early-Evening
80°F 26°C
Scattered Showers
Quite warm reaching 86°F 30°C, feeling like 92°F 34°C during peak afternoon, scattered downpours possible, with lower humidity and steady pressure.
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