Weather in Mammoth Cave, KY
Mammoth Cave, Thursday, 22 October, 15:33
Clear. Feels like 73°. High 74°, low 43°.
Monthly outlook for Mammoth Cave, KY: average high 69°, average low 47.8°. That is 2.9° above the climate normal for October. Precipitation is expected on 1 day (about 1.7 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 30 October (75.5°), the coolest 3 November (41.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 73° | 65° | +4.4° |
| 1 November – 10 November | 62.3° | 60.7° | +0.9° |
| 11 November – 20 November | at normal | 56° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Smiths Grove (11 mi).
0Mammoth Cave, Friday, 23 October
Clear. High 73°, low 44°.
0
Mammoth Cave, Saturday, 24 October
Mostly clear. High 73°, low 44°.
0
Mammoth Cave, Sunday, 25 October
Partly cloudy. High 75°, low 48°.
0Mammoth Cave, Monday, 26 October
Partly cloudy. High 74°, low 48°.
0
Mammoth Cave, Tuesday, 27 October
Overcast. High 73°, low 49°.
0Mammoth Cave, Wednesday, 28 October
Partly cloudy. High 74°, low 53°.
0Mammoth Cave, Thursday, 29 October
Overcast. High 73°, low 52°.
0Mammoth Cave, Friday, 30 October
Overcast. High 75°, low 54°.
0Mammoth Cave, Saturday, 31 October
Overcast. High 66°, low 55°.
1.72
Mammoth Cave, Sunday, 1 November
Heavy rain. High 61°, low 55°.
0Mammoth Cave, Monday, 2 November
Overcast. High 63°, low 49°.
0Mammoth Cave, Tuesday, 3 November
Overcast. High 59°, low 42°.
0Mammoth Cave, Wednesday, 4 November
Overcast. High 61°, low 43°.
0Mammoth Cave, Thursday, 5 November
Overcast. High 63°, low 42°.
0Mammoth Cave, Friday, 6 November
Overcast. High 67°, low 46°.
0.17
Mammoth Cave, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Mammoth Cave, Sunday, 8 November
Climate normal for this date — 60-year average.
0.16Mammoth Cave, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Mammoth Cave, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Mammoth Cave, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Mammoth Cave, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Mammoth Cave, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Mammoth Cave, Saturday, 14 November
Climate normal for this date — 60-year average.
0.16Mammoth Cave, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Mammoth Cave, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Mammoth Cave, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.14Mammoth Cave, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.14Mammoth Cave, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Mammoth Cave, Friday, 20 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 Mammoth Cave, KY 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 Mammoth Cave, KY 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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