Weather in Decatur, MO
Decatur, Tuesday, 20 October, 13:44
Mostly clear. Feels like 69°. High 70°, low 46°.
Monthly outlook for Decatur, MO: average high 66.4°, average low 45.4°. That is 1.8° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 25 October (76.8°), the coolest 28 October (29.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 68.6° | 64.4° | +2.3° |
| 30 October – 8 November | 62.6° | 59.9° | +1.5° |
| 9 November – 18 November | at normal | 55.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lohman (7 mi).
0.04
Decatur, Wednesday, 21 October
Light rain. High 73°, low 49°.
0
Decatur, Thursday, 22 October
Clear. High 73°, low 51°.
0Decatur, Friday, 23 October
Clear. High 73°, low 51°.
0
Decatur, Saturday, 24 October
Overcast. High 76°, low 54°.
0Decatur, Sunday, 25 October
Overcast. High 77°, low 57°.
0.02Decatur, Monday, 26 October
Light rain. High 73°, low 45°.
0.02Decatur, Tuesday, 27 October
Light rain. High 53°, low 38°.
0Decatur, Wednesday, 28 October
Clear. High 56°, low 30°.
0
Decatur, Thursday, 29 October
Partly cloudy. High 62°, low 38°.
0Decatur, Friday, 30 October
Partly cloudy. High 55°, low 35°.
0Decatur, Saturday, 31 October
Overcast. High 53°, low 34°.
0Decatur, Sunday, 1 November
Overcast. High 59°, low 46°.
0Decatur, Monday, 2 November
Clear. High 69°, low 44°.
0.05Decatur, Tuesday, 3 November
Light rain. High 70°, low 51°.
0.12Decatur, Wednesday, 4 November
Light rain. High 70°, low 58°.
0.17Decatur, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Decatur, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Decatur, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Decatur, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Decatur, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Decatur, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Decatur, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Decatur, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Decatur, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Decatur, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12
Decatur, Sunday, 15 November
Climate normal for this date — 60-year average.
0.08Decatur, Monday, 16 November
Climate normal for this date — 60-year average.
0.15Decatur, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.12Decatur, Wednesday, 18 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 Decatur, MO 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 Decatur, MO 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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