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      Extreme Heat Warning
      until 8:00 PM CDT
      +1 more alert
      Elev 342 ft, 34.451 °N 97.945 °W

      Duncan, OK

      Duncan Station
      Updated: 5:42 PM CDT on August 19, 2026 (GMT -5)
      5 minutes ago
      109°
      78°
      108
      Feels Like 108
      Sunny
      N
      6
      Same temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Tonight
      Thu 08/20
      Low 76°f
      0% Precip. / 0 in
      Mainly clear. Low 76F. Winds S at 10 to 15 mph.
      Tomorrow
      Fri 08/21
      High 108°f
      24% Precip. / 0 in
      Intervals of clouds and sunshine. A stray shower or thunderstorm is possible. High 108F. Winds SSW at 5 to 10 mph.
      Tomorrow night
      Fri 08/21
      Low 77°f
      21% Precip. / 0 in
      Partly cloudy skies. A stray shower or thunderstorm is possible. Low 77F. Winds SE at 5 to 10 mph.
      Hourly Forecast
      Now
      106°
      6PM
      106°
      7PM
      105°
      8PM
      101°
      8:14PM
      Sunset
      9PM
      96°
      10PM
      93°
      11PM
      91°
      12AM
      89°
      1AM
      87°
      2AM
      84°
      3AM
      82°
      4AM
      81°
      5AM
      79°
      6AM
      78°
      6:56AM
      Sunrise
      7AM
      77°
      8AM
      80°
      9AM
      86°
      10AM
      90°
      11AM
      94°
      12PM
      98°
      1PM
      101°
      2PM
      103°
      3PM
      105°
      4PM
      106°
      5PM
      106°
      Precipitation
      24%
      Pollen
      Ragweed Pollen
      Very High
      Air Quality
      45
      Good
      UV Index
      2
      Low
      Additional Conditions
      1. Pressure 29.74 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point54°F
      5. Humidity 18%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KDUC Station History
      Almanac for August 19, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 109°F 93°F 102°F 2006
      4. Low 78°F 71°F 59°F 1950
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.1 in -
      7. Snow 0 in 0 in -
      Almanac for August 20, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 108°F 93°F 106°F
      4. Low 78°F 71°F 56°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:55 AM 8:14 PM
      3. Civil Twilight 6:29 AM 8:40 PM
      4. Nautical Twilight 5:57 AM 9:12PM
      5. Astronomical Twilight 5:25 AM 9:44 PM
      1. Length of Visible Light 14h 11m
      2. Length of Day 13h 18m
      3. Tomorrow will be 1 minute 56 seconds shorter
      1. Moon 2:07 PM -
      2. First Quarter47% of the Moon is Illuminated
      Aug 19
      Waxing Half First Qtr
      Aug 27
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Precipitation
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