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Johnston County, OK Weather - 14-Day Weather Forecast

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Johnston County OK Weather - Clear - 95°F
Clear
95°F
Updated 7:33 pm
Feels Like 93°F
Humidity 36%
Wind SSE 12 mph
Barometer  29.94 in
Dew Point 64°F
Johnston County OK Weather - Clear - 35°C
Clear
35°C
Updated 7:33 pm
Feels Like 34°C
Humidity 36%
Wind SSE 19 km/h
Barometer  101.3 kPa
Dew Point 18°C
Johnston County, OK Weather and Current Conditionsjohnston county ok weather forecast

Johnston County, OK Weather Forecast

Johnston County Oklahoma WeatherJohnston County, Oklahoma Weather Weather Forecast
14 Day API Johnston County, OK Weather Forecast. Note: Our 7 day Johnston County, Oklahoma weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
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
Johnston County Weather - 2026-09-09 - Morning - Sunny
86°F 30°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-09 - Afternoon - Partly Cloudy
100°F 38°C
Partly Cloudy
Early-Evening
Johnston County Weather - 2026-09-09 - Evening - Partly Cloudy
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
Johnston County Weather - 2026-09-10 - Morning - Overcast
81°F 27°C
Overcast
Mid-Afternoon
Johnston County Weather - 2026-09-10 - Afternoon - Cloudy
97°F 36°C
Cloudy
Early-Evening
Johnston County Weather - 2026-09-10 - Evening - Scattered Showers
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
Johnston County Weather - 2026-09-11 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Johnston County Weather - 2026-09-11 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-11 - Evening - Sunny
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
Johnston County Weather - 2026-09-12 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-12 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-12 - Evening - Sunny
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
Johnston County Weather - 2026-09-13 - Morning - Sunny
82°F 28°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-13 - Afternoon - Cloudy
97°F 36°C
Cloudy
Early-Evening
Johnston County Weather - 2026-09-13 - Evening - Sunny
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
Johnston County Weather - 2026-09-14 - Morning - Sunny
83°F 28°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-14 - Afternoon - Sunny
97°F 36°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-14 - Evening - Sunny
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
Johnston County Weather - 2026-09-15 - Morning - Sunny
85°F 29°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-15 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-15 - Evening - Sunny
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
Johnston County Weather - 2026-09-16 - Morning - Sunny
84°F 29°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-16 - Afternoon - Partly Cloudy
98°F 37°C
Partly Cloudy
Early-Evening
Johnston County Weather - 2026-09-16 - Evening - Overcast
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
Johnston County Weather - 2026-09-17 - Morning - Sunny
87°F 30°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-17 - Afternoon - Sunny
100°F 38°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-17 - Evening - Cloudy
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
Johnston County Weather - 2026-09-18 - Morning - Sunny
87°F 31°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-18 - Afternoon - Sunny
101°F 38°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-18 - Evening - Scattered Showers
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
Johnston County Weather - 2026-09-19 - Morning - Sunny
89°F 31°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-19 - Afternoon - Sunny
103°F 39°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-19 - Evening - Sunny
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
Johnston County Weather - 2026-09-20 - Morning - Sunny
89°F 32°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-20 - Afternoon - Sunny
104°F 40°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-20 - Evening - Sunny
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
Johnston County Weather - 2026-09-21 - Morning - Sunny
87°F 30°C
Sunny
Mid-Afternoon
Johnston County Weather - 2026-09-21 - Afternoon - Sunny
100°F 38°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-21 - Evening - Overcast
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
Johnston County Weather - 2026-09-22 - Morning - Overcast
76°F 24°C
Overcast
Mid-Afternoon
Johnston County Weather - 2026-09-22 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Johnston County Weather - 2026-09-22 - Evening - Sunny
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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Weather by the Numbers

Wed, 9th
Johnston County OK Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 101°F 38°C
Lo: 80°F 27°C
Sunrise 07:06 AM
Sunset 07:42 PM
Wind S 10 mph16 km/h
Dew Point 74°F23°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 43%
Thu, 10th
Johnston County OK Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 99°F 37°C
Lo: 74°F 23°C
Sunrise 07:07 AM
Sunset 07:40 PM
Wind S 7 mph11 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 37%
Fri, 11th
Johnston County OK Weather - Friday, Sep 11, 2026 - Sunny
Hi: 93°F 34°C
Lo: 70°F 21°C
Sunrise 07:07 AM
Sunset 07:39 PM
Wind S 6 mph10 km/h
Dew Point 67°F20°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 3% *
Humidity 57%
Sat, 12th
Johnston County OK Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 99°F 37°C
Lo: 75°F 24°C
Sunrise 07:08 AM
Sunset 07:38 PM
Wind SSW 13 mph21 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 1% *
Humidity 42%
Sun, 13th
Johnston County OK Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 98°F 36°C
Lo: 78°F 25°C
Sunrise 07:09 AM
Sunset 07:36 PM
Wind SSW 12 mph20 km/h
Dew Point 65°F18°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 40%
Mon, 14th
Johnston County OK Weather - Monday, Sep 14, 2026 - Sunny
Hi: 98°F 37°C
Lo: 78°F 26°C
Sunrise 07:09 AM
Sunset 07:35 PM
Wind SSW 13 mph22 km/h
Dew Point 65°F18°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 43%
Tue, 15th
Johnston County OK Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 100°F 38°C
Lo: 80°F 27°C
Sunrise 07:10 AM
Sunset 07:33 PM
Wind SSW 10 mph15 km/h
Dew Point 65°F19°C
uv Index 8
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 41%
Wed, 16th
Johnston County OK Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 99°F 37°C
Lo: 79°F 26°C
Sunrise 07:11 AM
Sunset 07:32 PM
Wind SSW 9 mph14 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 6% *
Humidity 38%
Thu, 17th
Johnston County OK Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 101°F 38°C
Lo: 81°F 27°C
Sunrise 07:11 AM
Sunset 07:31 PM
Wind SSW 8 mph13 km/h
Dew Point 62°F17°C
uv Index 9
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 34%
Fri, 18th
Johnston County OK Weather - Friday, Sep 18, 2026 - Sunny
Hi: 101°F 38°C
Lo: 81°F 27°C
Sunrise 07:12 AM
Sunset 07:29 PM
Wind SW 7 mph11 km/h
Dew Point 61°F16°C
uv Index 9
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 31%
Sat, 19th
Johnston County OK Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 104°F 40°C
Lo: 81°F 27°C
Sunrise 07:13 AM
Sunset 07:28 PM
Wind SW 10 mph15 km/h
Dew Point 60°F15°C
uv Index 9
Barometric Pressure 29.91 in1013 mb
POP 0% *
Humidity 29%
Sun, 20th
Johnston County OK Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 105°F 40°C
Lo: 84°F 29°C
Sunrise 07:14 AM
Sunset 07:26 PM
Wind SSW 11 mph18 km/h
Dew Point 58°F15°C
uv Index 9
Barometric Pressure 29.83 in1010 mb
POP 0% *
Humidity 27%
Mon, 21st
Johnston County OK Weather - Monday, Sep 21, 2026 - Sunny
Hi: 102°F 39°C
Lo: 75°F 24°C
Sunrise 07:14 AM
Sunset 07:25 PM
Wind W 7 mph11 km/h
Dew Point 60°F16°C
uv Index 8
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 33%
Tue, 22nd
Johnston County OK Weather - Tuesday, Sep 22, 2026 - Partly Cloudy
Hi: 92°F 33°C
Lo: 72°F 22°C
Sunrise 07:15 AM
Sunset 07:23 PM
Wind NE 11 mph17 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 3% *
Humidity 53%
* POP = Probability of Precipitation. Data for 12:00 PM.