Weather in Altoona, IA
Altoona, Wednesday, 11 November, 18:29
Clear. Feels like 50°. High 59°, low 45°.
Monthly outlook for Altoona, IA: average high 45.8°, average low 30.9°. That is 0.1° below the climate normal for November. Precipitation is expected on 1 day (about 0.8 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 20 November (59.5°), the coolest 25 November (14°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 50.4° | 47.5° | +1.6° |
| 21 November – 30 November | 38° | 42° | -2.2° |
| 1 December – 10 December | at normal | 36° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Mitchellville (6 mi).
0
Altoona, Thursday, 12 November
Overcast. High 47°, low 35°.
0Altoona, Friday, 13 November
Overcast. High 41°, low 28°.
0
Altoona, Saturday, 14 November
Clear. High 42°, low 22°.
0Altoona, Sunday, 15 November
Clear. High 47°, low 28°.
0Altoona, Monday, 16 November
Clear. High 51°, low 30°.
0Altoona, Tuesday, 17 November
Overcast. High 52°, low 36°.
0
Altoona, Wednesday, 18 November
Partly cloudy. High 55°, low 38°.
0.02
Altoona, Thursday, 19 November
Light rain. High 51°, low 45°.
0.03Altoona, Friday, 20 November
Light rain. High 60°, low 49°.
0Altoona, Saturday, 21 November
Overcast. High 58°, low 48°.
0.77
Altoona, Sunday, 22 November
Snow. High 43°, low 22°.
0Altoona, Monday, 23 November
Overcast. High 31°, low 14°.
0Altoona, Tuesday, 24 November
Clear. High 26°, low 15°.
0Altoona, Wednesday, 25 November
Clear. High 33°, low 14°.
0
Altoona, Thursday, 26 November
Mostly clear. High 37°, low 25°.
0.09
Altoona, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Altoona, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Altoona, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Altoona, Monday, 30 November
Climate normal for this date — 60-year average.
0.08Altoona, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.04Altoona, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.07Altoona, Thursday, 3 December
Climate normal for this date — 60-year average.
0.04Altoona, Friday, 4 December
Climate normal for this date — 60-year average.
0.06Altoona, Saturday, 5 December
Climate normal for this date — 60-year average.
0.05Altoona, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06Altoona, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Altoona, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.04Altoona, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.04Altoona, Thursday, 10 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 Altoona, 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 Altoona, 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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