Weather in Duncan, IN
Duncan, Saturday, 10 October, 05:21
Overcast. Feels like 60°. High 73°, low 52°.
Monthly outlook for Duncan, IN: average high 67.7°, average low 49.6°. That is 1° above the climate normal for October. Precipitation is expected on 7 days (about 2.8 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 12 October (82.8°), the coolest 19 October (31.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 69° | 67° | +1.1° |
| 20 October – 29 October | 65.6° | 63.1° | +1.4° |
| 30 October – 8 November | at normal | 59.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — New Middletown (11 mi).
1.5
Duncan, Sunday, 11 October
Heavy rain. High 73°, low 50°.
0
Duncan, Monday, 12 October
Clear. High 83°, low 57°.
0Duncan, Tuesday, 13 October
Clear. High 82°, low 64°.
0.06Duncan, Wednesday, 14 October
Light rain. High 80°, low 68°.
0.02Duncan, Thursday, 15 October
Light rain. High 72°, low 64°.
0.11Duncan, Friday, 16 October
Light rain. High 69°, low 58°.
0
Duncan, Saturday, 17 October
Mostly clear. High 55°, low 40°.
0.01Duncan, Sunday, 18 October
Light rain. High 50°, low 37°.
0Duncan, Monday, 19 October
Clear. High 54°, low 31°.
0
Duncan, Tuesday, 20 October
Partly cloudy. High 59°, low 35°.
0Duncan, Wednesday, 21 October
Clear. High 66°, low 41°.
0Duncan, Thursday, 22 October
Clear. High 69°, low 45°.
0.06Duncan, Friday, 23 October
Light rain. High 66°, low 51°.
0.24Duncan, Saturday, 24 October
Rain. High 72°, low 50°.
0.14Duncan, Sunday, 25 October
Light rain. High 61°, low 51°.
0.14Duncan, Monday, 26 October
Climate normal for this date — 60-year average.
0.13Duncan, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.09
Duncan, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.13Duncan, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Duncan, Friday, 30 October
Climate normal for this date — 60-year average.
0.12Duncan, Saturday, 31 October
Climate normal for this date — 60-year average.
0.15Duncan, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Duncan, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Duncan, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Duncan, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.08Duncan, Thursday, 5 November
Climate normal for this date — 60-year average.
0.12Duncan, Friday, 6 November
Climate normal for this date — 60-year average.
0.14Duncan, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Duncan, 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, IN 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, IN 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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