Greenville, OK Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Greenville, OK in one place.
Clear, with a low around 77. South wind around 8 mph.
Local Weather Overview
This forecast page for Greenville, OK is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 16, 2026 2:10 AM CDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Greenville, OK.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 2:10 AM CDT
- Forecast office
- OUN
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenville
Wednesday looks like the warmest upcoming period in Greenville at 101 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 7 to 12 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 2:10 AM CDT
- Coverage
- 7 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
Sunny, with a high near 101. Heat index values as high as 104. South wind 6 to 9 mph.
Clear, with a low around 75. Heat index values as high as 101. South southeast wind 3 to 9 mph.
Sunny, with a high near 100. Heat index values as high as 105. South southeast wind 2 to 8 mph.
Mostly clear, with a low around 75. South southeast wind 3 to 8 mph.
Sunny, with a high near 100.
Mostly clear, with a low around 73.
Sunny, with a high near 100.
Mostly clear, with a low around 72.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 50%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 16
|
Clear
|
77°F |
8 mph
S
|
|
Wednesday
Sep 16
|
Sunny
|
101°F |
6 to 9 mph
S
|
|
Wednesday Night
Sep 16
|
Clear
|
75°F |
3 to 9 mph
SSE
|
|
Thursday
Sep 17
|
Sunny
|
100°F |
2 to 8 mph
SSE
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
75°F |
3 to 8 mph
SSE
|
|
Friday
Sep 18
|
Sunny
|
100°F |
3 to 10 mph
S
|
|
Friday Night
Sep 18
|
Mostly Clear
|
73°F |
5 to 9 mph
S
|
|
Saturday
Sep 19
|
Sunny
|
100°F |
7 to 12 mph
S
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
72°F |
7 to 10 mph
SSE
|
|
Sunday
Sep 20
|
Sunny then Chance Showers And Thunderstorms
|
99°F |
9 mph
SSW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
69°F |
5 to 8 mph
ENE
|
|
Monday
Sep 21
|
Chance Rain Showers
|
91°F |
6 to 9 mph
NNE
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
66°F |
5 to 9 mph
NNE
|
|
Tuesday
Sep 22
|
Slight Chance Rain Showers
|
90°F |
8 mph
NE
|
Nearby Forecasts
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