Weather in Key West, IA
Key West, Tuesday, 20 October, 06:33
Clear. Feels like 45°. High 72°, low 43°.
Monthly outlook for Key West, IA: average high 57.4°, average low 39°. That is 1.4° above the climate normal for October. Precipitation is expected on 1 day (about 0.5 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 21 October (72.9°), the coolest 28 October (24°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61° | 56.2° | +2.7° |
| 30 October – 8 November | 51.3° | 51.5° | -0.1° |
| 9 November – 18 November | at normal | 46° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bernard (12 mi).
0
Key West, Wednesday, 21 October
Clear. High 73°, low 47°.
0Key West, Thursday, 22 October
Clear. High 69°, low 49°.
0
Key West, Friday, 23 October
Partly cloudy. High 68°, low 51°.
0
Key West, Saturday, 24 October
Overcast. High 69°, low 53°.
0.01
Key West, Sunday, 25 October
Light rain. High 70°, low 56°.
0.5Key West, Monday, 26 October
Rain. High 51°, low 40°.
0Key West, Tuesday, 27 October
Clear. High 47°, low 30°.
0Key West, Wednesday, 28 October
Clear. High 41°, low 24°.
0Key West, Thursday, 29 October
Clear. High 51°, low 29°.
0Key West, Friday, 30 October
Overcast. High 50°, low 34°.
0Key West, Saturday, 31 October
Clear. High 51°, low 33°.
0Key West, Sunday, 1 November
Overcast. High 49°, low 32°.
0Key West, Monday, 2 November
Partly cloudy. High 49°, low 29°.
0Key West, Tuesday, 3 November
Overcast. High 51°, low 33°.
0Key West, Wednesday, 4 November
Overcast. High 58°, low 42°.
0.11Key West, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Key West, Friday, 6 November
Climate normal for this date — 60-year average.
0.02
Key West, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Key West, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Key West, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Key West, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Key West, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Key West, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Key West, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Key West, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Key West, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Key West, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Key West, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Key West, Wednesday, 18 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 Key West, 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 Key West, 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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