Weather in Ottumwa, IA
Ottumwa, Sunday, 18 October, 08:42
Clear. Feels like 41°. High 65°, low 41°.
Monthly outlook for Ottumwa, IA: average high 64.9°, average low 47.8°. That is 3° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 24 October (75.9°), the coolest 1 November (36.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 66.4° | 60.8° | +3.1° |
| 28 October – 6 November | 62.4° | 56° | +3.5° |
| 7 November – 16 November | at normal | 50.9° | — |
October records over 66 years
0
Ottumwa, Monday, 19 October
Overcast. High 65°, low 42°.
0Ottumwa, Tuesday, 20 October
Clear. High 67°, low 44°.
0Ottumwa, Wednesday, 21 October
Clear. High 70°, low 48°.
0Ottumwa, Thursday, 22 October
Clear. High 71°, low 50°.
0
Ottumwa, Friday, 23 October
Partly cloudy. High 69°, low 52°.
0.02
Ottumwa, Saturday, 24 October
Light rain. High 76°, low 58°.
0.16Ottumwa, Sunday, 25 October
Rain. High 57°, low 49°.
0.23Ottumwa, Monday, 26 October
Light rain. High 59°, low 47°.
0.01Ottumwa, Tuesday, 27 October
Light rain. High 65°, low 55°.
0.13Ottumwa, Wednesday, 28 October
Light rain. High 64°, low 54°.
0.02Ottumwa, Thursday, 29 October
Light rain. High 71°, low 55°.
0.06Ottumwa, Friday, 30 October
Light rain. High 75°, low 54°.
0Ottumwa, Saturday, 31 October
Clear. High 52°, low 42°.
0Ottumwa, Sunday, 1 November
Clear. High 51°, low 36°.
0Ottumwa, Monday, 2 November
Partly cloudy. High 61°, low 38°.
0.08Ottumwa, 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.
0.02
Ottumwa, 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.
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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