Weather in Columbus Junction, IA
Columbus Junction, Wednesday, 21 October, 22:50
Clear. Feels like 59°. High 74°, low 46°.
Monthly outlook for Columbus Junction, IA: average high 62.7°, average low 46.2°. That is 3.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 22 October (75.4°), the coolest 29 October (36.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 66.6° | 58.5° | +4.5° |
| 31 October – 9 November | 56.1° | 53.6° | +1.4° |
| 10 November – 19 November | at normal | 48.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Letts (8 mi).
0
Columbus Junction, Thursday, 22 October
Clear. High 75°, low 50°.
0
Columbus Junction, Friday, 23 October
Mostly clear. High 73°, low 50°.
0
Columbus Junction, Saturday, 24 October
Overcast. High 72°, low 55°.
0Columbus Junction, Sunday, 25 October
Overcast. High 74°, low 52°.
0Columbus Junction, Monday, 26 October
Overcast. High 72°, low 54°.
0.13
Columbus Junction, Tuesday, 27 October
Light rain. High 61°, low 50°.
0Columbus Junction, Wednesday, 28 October
Overcast. High 50°, low 40°.
0Columbus Junction, Thursday, 29 October
Clear. High 54°, low 36°.
0Columbus Junction, Friday, 30 October
Overcast. High 60°, low 40°.
0.32Columbus Junction, Saturday, 31 October
Rain. High 60°, low 54°.
0.91Columbus Junction, Sunday, 1 November
Rain. High 55°, low 53°.
0.06Columbus Junction, Monday, 2 November
Light rain. High 52°, low 40°.
0Columbus Junction, Tuesday, 3 November
Overcast. High 52°, low 36°.
0
Columbus Junction, Wednesday, 4 November
Partly cloudy. High 60°, low 43°.
0Columbus Junction, Thursday, 5 November
Overcast. High 56°, low 39°.
0.07Columbus Junction, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Columbus Junction, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Columbus Junction, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Columbus Junction, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Columbus Junction, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Columbus Junction, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Columbus Junction, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Columbus Junction, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Columbus Junction, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Columbus Junction, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Columbus Junction, Monday, 16 November
Climate normal for this date — 60-year average.
0.14Columbus Junction, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Columbus Junction, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Columbus Junction, Thursday, 19 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 Columbus Junction, 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 Columbus Junction, 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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