Weather in Ottumwa, IA
Ottumwa, Thursday, 12 November, 19:11
Overcast. Feels like 40°. High 44°, low 38°.
Monthly outlook for Ottumwa, IA: average high 50.8°, average low 38.4°. That is 1.7° above the climate normal for November. Precipitation is expected on 3 days (about 2.6 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 21 November (66.3°), the coolest 27 November (25.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 53.4° | 49.2° | +2.4° |
| 22 November – 1 December | 46.5° | 43.8° | +1.5° |
| 2 December – 11 December | at normal | 38.3° | — |
November records over 66 years
0Ottumwa, Friday, 13 November
Overcast. High 42°, low 30°.
0
Ottumwa, Saturday, 14 November
Clear. High 44°, low 26°.
0Ottumwa, Sunday, 15 November
Clear. High 48°, low 29°.
0Ottumwa, Monday, 16 November
Clear. High 53°, low 30°.
0Ottumwa, Tuesday, 17 November
Clear. High 55°, low 34°.
0Ottumwa, Wednesday, 18 November
Overcast. High 59°, low 41°.
0.01
Ottumwa, Thursday, 19 November
Light rain. High 65°, low 53°.
0.5Ottumwa, Friday, 20 November
Rain. High 59°, low 55°.
0
Ottumwa, Saturday, 21 November
Partly cloudy. High 66°, low 50°.
1.19Ottumwa, Sunday, 22 November
Rain. High 60°, low 53°.
0.9Ottumwa, Monday, 23 November
Heavy rain. High 61°, low 51°.
0Ottumwa, Tuesday, 24 November
Overcast. High 45°, low 38°.
0Ottumwa, Wednesday, 25 November
Partly cloudy. High 36°, low 29°.
0Ottumwa, Thursday, 26 November
Partly cloudy. High 40°, low 30°.
0Ottumwa, Friday, 27 November
Clear. High 37°, low 25°.
0.06
Ottumwa, Saturday, 28 November
Climate normal for this date — 60-year average.
0.09Ottumwa, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Ottumwa, Monday, 30 November
Climate normal for this date — 60-year average.
0.08
Ottumwa, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Ottumwa, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.06Ottumwa, Thursday, 3 December
Climate normal for this date — 60-year average.
0.05Ottumwa, Friday, 4 December
Climate normal for this date — 60-year average.
0.06Ottumwa, Saturday, 5 December
Climate normal for this date — 60-year average.
0.05Ottumwa, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06Ottumwa, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Ottumwa, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.07Ottumwa, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.06Ottumwa, Thursday, 10 December
Climate normal for this date — 60-year average.
0.07Ottumwa, Friday, 11 December
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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