Weather in Ottumwa, IA
Ottumwa, Friday, 23 October, 06:30
Mostly clear. Feels like 51°. High 78°, low 52°.
Monthly outlook for Ottumwa, IA: average high 64°, average low 48.1°. That is 3.9° above the climate normal for October. Precipitation is expected on 2 days (about 1.7 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 23 October (77.8°), the coolest 3 November (37°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 68.2° | 58.6° | +5.3° |
| 2 November – 11 November | 57° | 53.4° | +2° |
| 12 November – 21 November | at normal | 49.2° | — |
October records over 66 years
0
Ottumwa, Saturday, 24 October
Overcast. High 78°, low 52°.
0Ottumwa, Sunday, 25 October
Overcast. High 77°, low 55°.
0Ottumwa, Monday, 26 October
Overcast. High 72°, low 55°.
0.02
Ottumwa, Tuesday, 27 October
Light rain. High 74°, low 56°.
0.01Ottumwa, Wednesday, 28 October
Light rain. High 70°, low 58°.
0.62Ottumwa, Thursday, 29 October
Rain. High 70°, low 56°.
1.03Ottumwa, Friday, 30 October
Rain. High 60°, low 53°.
0Ottumwa, Saturday, 31 October
Light rain. High 59°, low 46°.
0.03Ottumwa, Sunday, 1 November
Light rain. High 45°, low 41°.
0
Ottumwa, Monday, 2 November
Mostly clear. High 51°, low 39°.
0
Ottumwa, Tuesday, 3 November
Clear. High 56°, low 37°.
0Ottumwa, Wednesday, 4 November
Clear. High 57°, low 38°.
0Ottumwa, Thursday, 5 November
Clear. High 59°, low 40°.
0Ottumwa, Friday, 6 November
Overcast. High 61°, low 44°.
0Ottumwa, Saturday, 7 November
Overcast. High 58°, low 47°.
0.04
Ottumwa, 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.
0.05Ottumwa, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Ottumwa, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Ottumwa, Friday, 20 November
Climate normal for this date — 60-year average.
0.06Ottumwa, Saturday, 21 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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