Johnston County, OK Weather Forecast
County weather hub
Showers And Thunderstorms
Compare major city weather across Johnston County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms. Mostly cloudy, with a high near 77. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
County Weather Overview
This county weather page brings together forecast coverage for Johnston County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Johnston County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 15 to Apr 19, 2026
- Latest sync
- Apr 13, 2026 1:13 PM CDT
- Forecast office
- OUN
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnston County
Thursday looks like the warmest upcoming period in Johnston County at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Friday at about 9 to 18 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 1:13 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- OUN
- Radar station
- KTLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 61. Chance of precipitation is 80%.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 65.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 50%.
A chance of rain showers before 1am. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
Mostly sunny, with a high near 71.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Showers And Thunderstorms
|
77°F |
10 to 15 mph
S
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms
|
61°F |
6 to 12 mph
S
|
|
Thursday
Apr 16
|
Mostly Sunny
|
86°F |
6 to 12 mph
SSW
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
65°F |
10 mph
S
|
|
Friday
Apr 17
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
82°F |
9 to 18 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
57°F |
12 to 15 mph
SSW
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
72°F |
12 to 15 mph
NNW
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
43°F |
5 to 12 mph
N
|
|
Sunday
Apr 19
|
Mostly Sunny
|
71°F |
5 to 9 mph
NE
|
|
Sunday Night
Apr 19
|
Partly Cloudy then Slight Chance Rain Showers
|
45°F |
3 to 7 mph
ESE
|
Major City Forecasts
Live forecast snapshots for major cities across Johnston County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Johnston County.
Largest mapped city population in this region: 2,997.
