Weather in Ottumwa, IA
Ottumwa, Monday, 19 October, 06:26
Clear. Feels like 39°. High 70°, low 42°.
Monthly outlook for Ottumwa, IA: average high 63.9°, average low 45.2°. That is 2.7° above the climate normal for October. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 20 October (72.6°), the coolest 29 October (28.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 67° | 60.4° | +3.7° |
| 29 October – 7 November | 58.6° | 55.7° | +1.6° |
| 8 November – 17 November | at normal | 50.6° | — |
October records over 66 years
0
Ottumwa, Tuesday, 20 October
Clear. High 73°, low 41°.
0Ottumwa, Wednesday, 21 October
Clear. High 72°, low 48°.
0Ottumwa, Thursday, 22 October
Clear. High 72°, low 51°.
0
Ottumwa, Friday, 23 October
Mostly clear. High 71°, low 53°.
0
Ottumwa, Saturday, 24 October
Partly cloudy. High 71°, low 55°.
0.15
Ottumwa, Sunday, 25 October
Rain. High 67°, low 55°.
0.03Ottumwa, Monday, 26 October
Light rain. High 72°, low 51°.
0.52Ottumwa, Tuesday, 27 October
Rain. High 60°, low 42°.
0Ottumwa, Wednesday, 28 October
Clear. High 43°, low 33°.
0Ottumwa, Thursday, 29 October
Clear. High 46°, low 28°.
0Ottumwa, Friday, 30 October
Clear. High 51°, low 30°.
0
Ottumwa, Saturday, 31 October
Overcast. High 57°, low 37°.
0Ottumwa, Sunday, 1 November
Overcast. High 64°, low 47°.
0.03Ottumwa, Monday, 2 November
Light rain. High 70°, low 56°.
0Ottumwa, Tuesday, 3 November
Overcast. High 63°, low 53°.
0.11Ottumwa, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Ottumwa, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Ottumwa, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Ottumwa, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Ottumwa, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Ottumwa, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Ottumwa, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Ottumwa, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Ottumwa, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Ottumwa, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Ottumwa, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Ottumwa, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Ottumwa, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Ottumwa, Tuesday, 17 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 Ottumwa, IA 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 Ottumwa, IA 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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