Weather in Ottumwa, IA
Ottumwa, Wednesday, 28 October, 16:55
Overcast. Feels like 75°. High 76°, low 54°.
Monthly outlook for Ottumwa, IA: average high 57.7°, average low 47.1°. That is 1.8° above the climate normal for October. Precipitation is expected on 8 days (about 5.2 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 28 October (75.8°), the coolest 12 November (30.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 64.1° | 56° | +4.5° |
| 7 November – 16 November | 47° | 50.9° | -2.1° |
| 17 November – 26 November | at normal | 47.5° | — |
October records over 66 years
0.03
Ottumwa, Thursday, 29 October
Light rain. High 69°, low 53°.
0.5Ottumwa, Friday, 30 October
Heavy rain. High 63°, low 50°.
0.22Ottumwa, Saturday, 31 October
Rain. High 69°, low 57°.
0
Ottumwa, Sunday, 1 November
Partly cloudy. High 71°, low 57°.
0.43Ottumwa, Monday, 2 November
Rain. High 63°, low 59°.
0.95Ottumwa, Tuesday, 3 November
Rain. High 65°, low 61°.
1.3Ottumwa, Wednesday, 4 November
Rain. High 59°, low 57°.
0.2Ottumwa, Thursday, 5 November
Light rain. High 58°, low 44°.
0
Ottumwa, Friday, 6 November
Clear. High 49°, low 37°.
0.01Ottumwa, Saturday, 7 November
Light rain. High 51°, low 35°.
1.43Ottumwa, Sunday, 8 November
Rain. High 49°, low 45°.
0.07Ottumwa, Monday, 9 November
Light rain. High 51°, low 45°.
0Ottumwa, Tuesday, 10 November
Partly cloudy. High 49°, low 38°.
0Ottumwa, Wednesday, 11 November
Partly cloudy. High 40°, low 32°.
0Ottumwa, Thursday, 12 November
Overcast. High 43°, low 31°.
0.07
Ottumwa, 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.
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.
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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