Weather in Duncan, OK
Duncan, Saturday, 10 October, 03:43
Clear. Feels like 63°. High 91°, low 63°.
Monthly outlook for Duncan, OK: average high 78.7°, average low 58°. That is 2.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 3 days and 1.7 inches. The warmest day looks like 12 October (91.7°), the coolest 18 October (35.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 79.8° | 75.1° | +2.7° |
| 20 October – 29 October | 76.7° | 71.3° | +3° |
| 30 October – 8 November | at normal | 66.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sunray (9 mi).
0
Duncan, Sunday, 11 October
Overcast. High 91°, low 65°.
0
Duncan, Monday, 12 October
Clear. High 92°, low 71°.
0.04
Duncan, Tuesday, 13 October
Light rain. High 90°, low 76°.
0.44Duncan, Wednesday, 14 October
Rain. High 90°, low 74°.
0.04Duncan, Thursday, 15 October
Light rain. High 85°, low 71°.
0Duncan, Friday, 16 October
Clear. High 77°, low 59°.
0Duncan, Saturday, 17 October
Clear. High 59°, low 45°.
0Duncan, Sunday, 18 October
Clear. High 58°, low 36°.
0Duncan, Monday, 19 October
Clear. High 65°, low 40°.
0Duncan, Tuesday, 20 October
Overcast. High 69°, low 47°.
0Duncan, Wednesday, 21 October
Clear. High 74°, low 49°.
0
Duncan, Thursday, 22 October
Partly cloudy. High 79°, low 60°.
0Duncan, Friday, 23 October
Partly cloudy. High 78°, low 54°.
0Duncan, Saturday, 24 October
Partly cloudy. High 86°, low 66°.
0Duncan, Sunday, 25 October
Overcast. High 75°, low 52°.
0.11
Duncan, Monday, 26 October
Climate normal for this date — 60-year average.
0.11Duncan, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Duncan, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.11Duncan, Thursday, 29 October
Climate normal for this date — 60-year average.
0.21Duncan, Friday, 30 October
Climate normal for this date — 60-year average.
0.14Duncan, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Duncan, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Duncan, Monday, 2 November
Climate normal for this date — 60-year average.
0.11Duncan, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Duncan, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Duncan, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Duncan, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Duncan, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Duncan, Sunday, 8 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Duncan, OK are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Duncan, OK since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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