Weather in Lafayette, IA
Lafayette, Tuesday, 20 October, 09:11
Clear. Feels like 46°. High 68°, low 42°.
Monthly outlook for Lafayette, IA: average high 58°, average low 41.6°. That is 1.5° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 21 October (71.7°), the coolest 28 October (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 60.7° | 56.7° | +2.2° |
| 30 October – 8 November | 53.5° | 51.9° | +0.9° |
| 9 November – 18 November | at normal | 46.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Coggon (12 mi).
0Lafayette, Wednesday, 21 October
Clear. High 72°, low 45°.
0Lafayette, Thursday, 22 October
Clear. High 71°, low 49°.
0Lafayette, Friday, 23 October
Clear. High 69°, low 52°.
0
Lafayette, Saturday, 24 October
Overcast. High 71°, low 55°.
0Lafayette, Sunday, 25 October
Overcast. High 66°, low 57°.
0.52
Lafayette, Monday, 26 October
Rain. High 54°, low 37°.
0Lafayette, Tuesday, 27 October
Clear. High 44°, low 32°.
0Lafayette, Wednesday, 28 October
Clear. High 47°, low 29°.
0Lafayette, Thursday, 29 October
Clear. High 46°, low 34°.
0Lafayette, Friday, 30 October
Clear. High 43°, low 31°.
0Lafayette, Saturday, 31 October
Overcast. High 49°, low 30°.
0Lafayette, Sunday, 1 November
Overcast. High 53°, low 41°.
0
Lafayette, Monday, 2 November
Partly cloudy. High 57°, low 38°.
0.74Lafayette, Tuesday, 3 November
Heavy rain. High 55°, low 47°.
0.06Lafayette, Wednesday, 4 November
Light rain. High 63°, low 51°.
0.09Lafayette, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Lafayette, Friday, 6 November
Climate normal for this date — 60-year average.
0.02
Lafayette, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Lafayette, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09
Lafayette, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Lafayette, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Lafayette, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Lafayette, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Lafayette, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Lafayette, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Lafayette, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Lafayette, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Lafayette, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Lafayette, 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 Lafayette, 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 Lafayette, 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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