Duncan Weather Forecast 15 Days, Weather in Duncan Today
Current weather conditions and 15 day weather forecast for Duncan, Oklahoma, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Duncan
| 15 May 2026 Friday 22.3 ° C / 72.1°F  Clear |
Feels Like : 24.7 ° C / 76.4°F Humidity : % 65 Pressure : 1008 mb Wind Speed : 31 kmph / 19.2 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Duncan, OK, USA
Weather Forecast for next 15 Days for Duncan including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Duncan, Oklahoma state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday |  Patchy rain nearby |
20.6 ° C (69.1°F) |
36 ° C (96.8°F) |
27.8 ° C (82°F) |
% 47 | 89% | 9.1 | Sunrise:06:29 AM Sunset: 08:27 PM |
Moonrise:05:15 AM Moonset: 07:35 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
20.6 ° C (69.1°F) |
32.5 ° C (90.5°F) |
26.3 ° C (79.4°F) |
% 53 | 0% | 9.2 | Sunrise:06:28 AM Sunset: 08:28 PM |
Moonrise:05:55 AM Moonset: 08:52 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday |  Thundery outbreaks in nearby |
21.4 ° C (70.5°F) |
31 ° C (87.8°F) |
25.7 ° C (78.3°F) |
% 67 | 0% | 6 | Sunrise:06:28 AM Sunset: 08:29 PM |
Moonrise:06:45 AM Moonset: 10:07 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
22 ° C (71.7°F) |
33.2 ° C (91.8°F) |
26.9 ° C (80.4°F) |
% 68 | 65% | 3.8 | Sunrise:06:27 AM Sunset: 08:30 PM |
Moonrise:07:45 AM Moonset: 11:16 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday |  Moderate rain |
11.5 ° C (52.6°F) |
18.2 ° C (64.7°F) |
16.3 ° C (61.3°F) |
% 83 | 89% | 0 | Sunrise:06:26 AM Sunset: 08:30 PM |
Moonrise:08:54 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday |  Partly Cloudy |
15.9 ° C (60.7°F) |
31 ° C (87.8°F) |
22.9 ° C (73.2°F) |
% 75 | 0% | 6 | Sunrise:06:26 AM Sunset: 08:31 PM |
Moonrise:10:07 AM Moonset: 12:13 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
18.3 ° C (64.9°F) |
34.2 ° C (93.6°F) |
24.6 ° C (76.3°F) |
% 76 | 76% | 5 | Sunrise:06:25 AM Sunset: 08:32 PM |
Moonrise:11:20 AM Moonset: 01:00 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Partly Cloudy |
16.5 ° C (61.8°F) |
27.6 ° C (81.8°F) |
21.5 ° C (70.7°F) |
% 77 | 0% | 6 | Sunrise:06:24 AM Sunset: 08:33 PM |
Moonrise:12:29 PM Moonset: 01:39 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Moderate rain |
18 ° C (64.4°F) |
21.2 ° C (70.1°F) |
19.2 ° C (66.5°F) |
% 94 | 87% | 4 | Sunrise:06:24 AM Sunset: 08:33 PM |
Moonrise:01:35 PM Moonset: 02:10 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
17.6 ° C (63.6°F) |
22.5 ° C (72.5°F) |
19.6 ° C (67.3°F) |
% 93 | 89% | 4 | Sunrise:06:23 AM Sunset: 08:34 PM |
Moonrise:02:36 PM Moonset: 02:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
21 ° C (69.9°F) |
30 ° C (86.1°F) |
25.4 ° C (77.7°F) |
% 77 | 88% | 6 | Sunrise:06:23 AM Sunset: 08:35 PM |
Moonrise:03:36 PM Moonset: 03:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Partly Cloudy |
22.3 ° C (72.1°F) |
33 ° C (91.5°F) |
27.1 ° C (80.8°F) |
% 70 | 0% | 7 | Sunrise:06:22 AM Sunset: 08:35 PM |
Moonrise:04:35 PM Moonset: 03:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Partly Cloudy |
23.3 ° C (74°F) |
32.6 ° C (90.7°F) |
27.9 ° C (82.2°F) |
% 60 | 0% | 7 | Sunrise:06:22 AM Sunset: 08:36 PM |
Moonrise:05:34 PM Moonset: 03:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Sunny |
22.4 ° C (72.4°F) |
33.5 ° C (92.3°F) |
27.6 ° C (81.6°F) |
% 61 | 0% | 7 | Sunrise:06:22 AM Sunset: 08:37 PM |
Moonrise:06:33 PM Moonset: 04:21 AM Moon Phase ( Waxing Gibbous ) |
|
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