Johnston County, OK 14 Day Weather - WeatherWorld.com
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Johnston County, OK Weather Forecast


Johnston County, OK Weather Forecast Dated: 733 PM Wed Sep 09 2026
Expect a hot stretch with plenty of sunshine and occasional showers over the coming period. comfortable humidity and no major pressure swings will dominate.
Wednesday, September 9, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
100°F 38°C
Partly Cloudy
Early-Evening
94°F 35°C
Partly Cloudy
Scorching heat reaching 100°F 38°C, feeling like 109°F 43°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the S to the NW at 9 mph 15 km/h.
Thursday, September 10, 2026
Mid-Morning
81°F 27°C
Overcast
Mid-Afternoon
97°F 36°C
Cloudy
Early-Evening
75°F 24°C
Scattered Showers
Hot and sweltering around 97°F 36°C, scattered downpours possible, with increasing humidity and steady pressure. Winds switching from the SSW to the SW at 12 mph 19 km/h. Gusts up to 21 mph 34 km/h.
Friday, September 11, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
89°F 32°C
Sunny
Very hot with a high of 93°F 34°C, feeling closer to 97°F 36°C in the humidity, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the SE to the S at 9 mph 14 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 12, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
94°F 34°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 102°F 39°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the S to the SSE at 11 mph 18 km/h. Gusts up to 23 mph 36 km/h.
Sunday, September 13, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
97°F 36°C
Cloudy
Early-Evening
93°F 34°C
Sunny
Hot and sweltering around 97°F 36°C (heat index 100°F 38°C), sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds shifting from the S to the SSE at 11 mph 18 km/h. Gusts up to 20 mph 33 km/h.
Monday, September 14, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
93°F 34°C
Sunny
Very hot with a high of 97°F 36°C, feeling closer to 100°F 38°C in the humidity, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the SSW to the SSE at 13 mph 21 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 15, 2026
Mid-Morning
85°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. Winds switching from the SSW to the S at 10 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
98°F 37°C
Partly Cloudy
Early-Evening
93°F 34°C
Overcast
Sizzling hot with 98°F 37°C, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the SSW to the SSE at 11 mph 17 km/h.
Thursday, September 17, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
95°F 35°C
Cloudy
Scorching hot near 100°F 38°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSW to the S at 10 mph 16 km/h.
Friday, September 18, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
94°F 34°C
Scattered Showers
Sweltering heat reaching 101°F 38°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds shifting from the WSW to the SE at 6 mph 10 km/h.
Saturday, September 19, 2026
Mid-Morning
89°F 31°C
Sunny
Mid-Afternoon
103°F 39°C
Sunny
Early-Evening
98°F 37°C
Sunny
Dangerously hot temperatures around 103°F 39°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the WSW to the S at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
89°F 32°C
Sunny
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
97°F 36°C
Sunny
Dangerously hot with a high of 104°F 40°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the SW to the S at 12 mph 20 km/h. Gusts up to 23 mph 37 km/h.
Monday, September 21, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
82°F 28°C
Overcast
Scorching hot near 100°F 38°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds moving from the SW to the E at 10 mph 16 km/h. Gusts up to 21 mph 35 km/h.
Tuesday, September 22, 2026
Mid-Morning
76°F 24°C
Overcast
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot temperatures near 91°F 33°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the NE at 11 mph 18 km/h.
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