Weather in Ottumwa, IA
Ottumwa, Saturday, 17 October, 22:29
Clear. Feels like 37°. High 59°, low 34°.
Monthly outlook for Ottumwa, IA: average high 66.8°, average low 48°. That is 3.8° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 24 October (76.8°), the coolest 17 October (34.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 65.7° | 61.3° | +2.5° |
| 27 October – 5 November | 68.7° | 56.4° | +6.8° |
| 6 November – 15 November | at normal | 51.3° | — |
October records over 66 years
0
Ottumwa, Sunday, 18 October
Clear. High 63°, low 42°.
0
Ottumwa, Monday, 19 October
Overcast. High 66°, low 43°.
0
Ottumwa, Tuesday, 20 October
Mostly clear. High 68°, low 45°.
0Ottumwa, Wednesday, 21 October
Clear. High 70°, low 47°.
0Ottumwa, Thursday, 22 October
Clear. High 71°, low 49°.
0Ottumwa, Friday, 23 October
Overcast. High 72°, low 52°.
0Ottumwa, Saturday, 24 October
Overcast. High 77°, low 59°.
0Ottumwa, Sunday, 25 October
Overcast. High 54°, low 43°.
0Ottumwa, Monday, 26 October
Overcast. High 58°, low 37°.
0Ottumwa, Tuesday, 27 October
Overcast. High 68°, low 41°.
0.01
Ottumwa, Wednesday, 28 October
Light rain. High 72°, low 58°.
0.22Ottumwa, Thursday, 29 October
Light rain. High 69°, low 61°.
0Ottumwa, Friday, 30 October
Clear. High 69°, low 51°.
0.04Ottumwa, Saturday, 31 October
Light rain. High 67°, low 54°.
0.04Ottumwa, Sunday, 1 November
Light rain. High 66°, low 51°.
0.08
Ottumwa, Monday, 2 November
Climate normal for this date — 60-year average.
0.08
Ottumwa, Tuesday, 3 November
Climate normal for this date — 60-year average.
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.
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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