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Weir, MS Weather Forecast
Weir, MS Weather Forecast Dated: 1224 AM Mon Sep 07 2026
Expect a hot stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Monday, September 7, 2026
Mid-Morning
80°F 26°C
Overcast
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
90°F 32°C
Sunny
Very hot with temperatures reaching 98°F 37°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
98°F 36°C
Cloudy
Early-Evening
87°F 31°C
Sunny
Hot and sweltering around 98°F 36°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the ESE at 6 mph 10 km/h.
Wednesday, September 9, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
87°F 31°C
Partly Cloudy
Sizzling hot with 97°F 36°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling.
Thursday, September 10, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
99°F 37°C
Cloudy
Early-Evening
82°F 28°C
Overcast
Hot temperatures near 99°F 37°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling.
Friday, September 11, 2026
Mid-Morning
80°F 27°C
Overcast
Mid-Afternoon
95°F 35°C
Overcast
Early-Evening
87°F 31°C
Partly Cloudy
Hot and sweltering around 95°F 35°C (heat index 98°F 36°C), overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
96°F 35°C
Scattered Showers
Early-Evening
86°F 30°C
Partly Cloudy
Very hot with a high of 96°F 35°C, feeling closer to 100°F 38°C in the humidity, locally heavy downpours at times, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
84°F 29°C
Scattered Showers
Sizzling hot near 90°F 32°C with a heat index reaching 95°F 35°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
89°F 32°C
Scattered Showers
Early-Evening
84°F 29°C
Nearby Thunderstorms
Quite warm reaching 89°F 32°C, feeling like 96°F 36°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
80°F 26°C
Sunny
Mid-Afternoon
91°F 33°C
Scattered Showers
Early-Evening
78°F 25°C
Nearby Thunderstorms
Very hot with a high of 91°F 33°C, feeling closer to 98°F 36°C in the humidity, locally heavy downpours at times, with increasing humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Scattered Showers
Early-Evening
82°F 28°C
Nearby Thunderstorms
Sizzling hot near 91°F 33°C with a heat index reaching 98°F 37°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day.
Thursday, September 17, 2026
Mid-Morning
78°F 26°C
Light Fog
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
84°F 29°C
Overcast
Quite warm reaching 89°F 32°C, feeling like 96°F 35°C during peak afternoon, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
80°F 27°C
Light Showers
Mid-Afternoon
89°F 32°C
Scattered Showers
Early-Evening
83°F 29°C
Cloudy
Very warm near 89°F 32°C, though humidity makes it feel like 94°F 35°C, locally heavy downpours at times, with lower humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
80°F 27°C
Scattered Showers
Mid-Afternoon
89°F 32°C
Light Showers
Early-Evening
85°F 29°C
Scattered Showers
Warm and summery around 89°F 32°C (feels like 94°F 35°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
85°F 30°C
Overcast
Hot and sweltering around 90°F 32°C (heat index 94°F 34°C), sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
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