Weather in Ottumwa, IA
Ottumwa, Saturday, 31 October, 02:10
Overcast. Feels like 52°. High 65°, low 53°.
Monthly outlook for Ottumwa, IA: average high 61.7°, average low 48.5°. That is 4.9° above the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 3 November (69.5°), the coolest 14 November (33.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 64.1° | 54.7° | +5.2° |
| 10 November – 19 November | 57.7° | 49.9° | +4.3° |
| 20 November – 29 November | at normal | 45° | — |
October records over 66 years
0
Ottumwa, Sunday, 1 November
Partly cloudy. High 68°, low 55°.
0.1
Ottumwa, Monday, 2 November
Light rain. High 66°, low 58°.
0.33Ottumwa, Tuesday, 3 November
Light rain. High 70°, low 63°.
0.44Ottumwa, Wednesday, 4 November
Light rain. High 64°, low 53°.
0.33Ottumwa, Thursday, 5 November
Rain. High 59°, low 51°.
0
Ottumwa, Friday, 6 November
Clear. High 61°, low 46°.
0
Ottumwa, Saturday, 7 November
Mostly clear. High 62°, low 46°.
0Ottumwa, Sunday, 8 November
Overcast. High 62°, low 50°.
0Ottumwa, Monday, 9 November
Clear. High 65°, low 48°.
0Ottumwa, Tuesday, 10 November
Clear. High 68°, low 48°.
0Ottumwa, Wednesday, 11 November
Overcast. High 62°, low 49°.
0Ottumwa, Thursday, 12 November
Clear. High 62°, low 45°.
0Ottumwa, Friday, 13 November
Mostly clear. High 48°, low 38°.
0Ottumwa, Saturday, 14 November
Clear. High 51°, low 34°.
0Ottumwa, Sunday, 15 November
Overcast. High 55°, low 40°.
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.
0.04Ottumwa, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08Ottumwa, Monday, 23 November
Climate normal for this date — 60-year average.
0.06Ottumwa, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06Ottumwa, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.11Ottumwa, Thursday, 26 November
Climate normal for this date — 60-year average.
0.12
Ottumwa, Friday, 27 November
Climate normal for this date — 60-year average.
0.06Ottumwa, Saturday, 28 November
Climate normal for this date — 60-year average.
0.09Ottumwa, Sunday, 29 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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