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Greenbrier, AR Weather Forecast
Greenbrier, AR Weather Forecast Dated: 342 AM Tue Sep 15 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Tuesday, September 15, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 103°F 39°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
93°F 34°C
Sunny
Hot and sweltering around 99°F 37°C, sunny throughout the day, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
102°F 39°C
Partly Cloudy
Early-Evening
90°F 32°C
Overcast
Dangerously hot temperatures around 102°F 39°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
90°F 33°C
Cloudy
Dangerously hot with a high of 101°F 38°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
86°F 30°C
Sunny
Very hot with a high of 95°F 35°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Sunday, September 20, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
87°F 31°C
Sunny
Very hot with temperatures reaching 93°F 34°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
88°F 31°C
Partly Cloudy
Early-Evening
79°F 27°C
Scattered Showers
Warm and summery around 88°F 31°C (feels like 91°F 33°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
84°F 29°C
Light Showers
Early-Evening
74°F 23°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.
Wednesday, September 23, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
63°F 17°C
Scattered Showers
Refreshing around 64°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the NNE to the NNW at 12 mph 20 km/h. Gusts up to 29 mph 46 km/h.
Thursday, September 24, 2026
Mid-Morning
63°F 17°C
Light Showers
Mid-Afternoon
75°F 24°C
Light Showers
Early-Evening
73°F 23°C
Scattered Showers
Mild with a high of 75°F 24°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds blowing from the NNE at 9 mph 14 km/h.
Friday, September 25, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
66°F 19°C
Sunny
Pleasant near 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds NNE at 11 mph 18 km/h.
Saturday, September 26, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
65°F 19°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NE at 13 mph 21 km/h.
Sunday, September 27, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
67°F 19°C
Sunny
Enjoyable around 73°F 23°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the NE at 13 mph 21 km/h. Gusts up to 21 mph 34 km/h.
Monday, September 28, 2026
Mid-Morning
60°F 16°C
Cloudy
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
66°F 19°C
Overcast
Mild temperatures up to 74°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds NE at 12 mph 19 km/h.
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