Oklahoma · NWS OUN office
Duncan, OK weather
It is 61°F and clear at Duncan, Halliburton Field Airport as of Oct 28, 3:55 AM CDT. Overnight: Clear, low near 61°F. Forecast from the National Weather Service, issued Oct 28, 1:27 AM CDT.
Current conditions
Temperature
61°F
Clear
Wind
SSE 7 mph
Humidity 77% · dew point 54°F
Pressure · visibility
30.12 inHg
Visibility 10 mi
Observed at Duncan, Halliburton Field Airport (KDUC), Oct 28, 3:55 AM CDT. Station readings can lag or be missing.
Alerts for this area
No active NWS alerts cover the Duncan forecast zone right now.
Around the NWS OUN forecast area
No active alerts in zones served by the OUN office near Duncan.
From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Oklahoma.
For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.
Next 24 hours
| Time | Temp | Forecast | Precip. chance | Wind |
|---|---|---|---|---|
| Wed 4 AM | 64°F | Mostly Clear | 1% | S 9 mph |
| Wed 5 AM | 63°F | Mostly Clear | 1% | S 9 mph |
| Wed 6 AM | 62°F | Sunny | 1% | S 9 mph |
| Wed 7 AM | 62°F | Sunny | 1% | S 9 mph |
| Wed 8 AM | 61°F | Sunny | 1% | SSE 9 mph |
| Wed 9 AM | 64°F | Sunny | 1% | S 9 mph |
| Wed 10 AM | 70°F | Sunny | 1% | S 10 mph |
| Wed 11 AM | 74°F | Sunny | 1% | S 13 mph |
| Wed 12 PM | 77°F | Sunny | 1% | S 14 mph |
| Wed 1 PM | 79°F | Sunny | 5% | S 15 mph |
| Wed 2 PM | 80°F | Sunny | 5% | S 15 mph |
| Wed 3 PM | 81°F | Sunny | 5% | S 15 mph |
| Wed 4 PM | 82°F | Sunny | 5% | S 15 mph |
| Wed 5 PM | 81°F | Sunny | 5% | S 15 mph |
| Wed 6 PM | 80°F | Mostly Clear | 5% | S 13 mph |
| Wed 7 PM | 77°F | Mostly Clear | 3% | S 10 mph |
| Wed 8 PM | 73°F | Mostly Clear | 3% | SSE 12 mph |
| Wed 9 PM | 72°F | Mostly Clear | 3% | SSE 10 mph |
| Wed 10 PM | 70°F | Mostly Clear | 3% | SSE 10 mph |
| Wed 11 PM | 69°F | Mostly Clear | 3% | S 9 mph |
| Thu 12 AM | 68°F | Clear | 3% | S 8 mph |
| Thu 1 AM | 67°F | Clear | 4% | S 8 mph |
| Thu 2 AM | 66°F | Mostly Clear | 4% | S 7 mph |
| Thu 3 AM | 66°F | Mostly Clear | 4% | S 7 mph |
Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Duncan can differ.
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7-day forecast
Overnight
Low 61°F
Clear, with a low around 61. South southeast wind around 9 mph.
Wednesday
High 83°F·Low 62°F
Sunny, with a high near 83. South wind 9 to 15 mph, with gusts as high as 23 mph.
Wednesday Night: Mostly clear, with a low around 62. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday
High 82°F·Low 61°F
Partly sunny, with a high near 82. South wind 6 to 10 mph.
Thursday Night: A chance of rain showers after 1am. Mostly cloudy, with a low around 61. South wind 3 to 9 mph. Chance of precipitation is 40%.
Friday
High 71°F·Low 55°F
Rain showers. Cloudy, with a high near 71. Chance of precipitation is 80%.
Friday Night: Rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Saturday
High 72°F·Low 55°F
A chance of rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Saturday Night: A chance of rain showers before 7pm. Partly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
High 75°F·Low 59°F
A slight chance of rain showers after noon. Partly sunny, with a high near 75. Chance of precipitation is 20%.
Sunday Night: A chance of rain showers before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Monday
High 77°F·Low 54°F
Showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Monday Night: A chance of rain showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
High 71°F
A slight chance of rain showers. Mostly sunny, with a high near 71.
Nearby cities
- Lawton, OK 28 mi
- Wichita Falls, TX 51 mi
- Ardmore, OK 51 mi
- Norman, OK 63 mi
- Mustang, OK 64 mi
- Moore, OK 65 mi
- Yukon, OK 72 mi
- Oklahoma City, OK 73 mi
Larger cities in the area
- Wichita Falls, TX 51 mi · pop. 102,372
- Norman, OK 63 mi · pop. 131,010
- Oklahoma City, OK 73 mi · pop. 712,919
- Denton, TX 99 mi · pop. 165,998
See every city we cover in Oklahoma, or check all active alerts.
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About this forecast
- Forecast office
- Duncan is served by the National Weather Service OUN forecast office, forecast zone OKZ039, county zone OKC137.
- Location used
- The Census Bureau's internal point for Duncan (34.4816, -97.9605), in Stephens County. Population: 23,174 (2024 estimate), number 22 of the 28 Oklahoma cities on this site.
- Radar
- Nearest NWS radar: KFDR. View it on radar.weather.gov.
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Sources
- Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/34.4816,-97.9605 (forecast issued Oct 28, 1:27 AM CDT).
- Official forecast page: forecast.weather.gov.
- City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
- Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.
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