| National Weather Service Forecast for:
Duncan OK Issued by: National Weather Service Norman, OK |
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| Updated: 1:27 pm CDT Jul 28, 2026 | ||||||||||||||||||
|
| This Afternoon |
Mostly sunny and hot, with a high near 102. Heat index values as high as 106. South wind around 7 mph. |
| Tonight |
Partly cloudy, with a low around 77. South wind 6 to 9 mph. |
| Wednesday |
Mostly sunny and hot, with a high near 103. Heat index values as high as 108. South wind 5 to 8 mph. |
| Wednesday Night |
Mostly clear, with a low around 77. South southeast wind 7 to 10 mph. |
| Thursday |
Sunny and hot, with a high near 103. South wind 6 to 9 mph. |
| Thursday Night |
Mostly clear, with a low around 77. |
| Friday |
Mostly sunny and hot, with a high near 104. |
| Friday Night |
Mostly clear, with a low around 74. |
| Saturday |
Sunny and hot, with a high near 97. |
| Saturday Night |
Clear, with a low around 68. |
| Sunday |
Sunny, with a high near 95. |
| Sunday Night |
Clear, with a low around 68. |
| Monday |
Sunny and hot, with a high near 99. |
Forecast from NOAA-NWS for Duncan OK.
