Weather in Mammoth Cave, KY
Mammoth Cave, Sunday, 25 October, 11:45
Overcast. Feels like 69°. High 72°, low 44°.
Monthly outlook for Mammoth Cave, KY: average high 70°, average low 51.7°. That is 4.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 31 October (76.7°), the coolest 9 November (42.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 72.8° | 64° | +4.9° |
| 4 November – 13 November | 65.4° | 58.7° | +3.7° |
| 14 November – 23 November | at normal | 55.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Smiths Grove (11 mi).
0Mammoth Cave, Monday, 26 October
Overcast. High 76°, low 44°.
0Mammoth Cave, Tuesday, 27 October
Overcast. High 74°, low 48°.
0Mammoth Cave, Wednesday, 28 October
Overcast. High 71°, low 53°.
0
Mammoth Cave, Thursday, 29 October
Clear. High 73°, low 51°.
0
Mammoth Cave, Friday, 30 October
Partly cloudy. High 76°, low 52°.
0Mammoth Cave, Saturday, 31 October
Overcast. High 77°, low 57°.
0.6
Mammoth Cave, Sunday, 1 November
Rain. High 64°, low 59°.
0.01Mammoth Cave, Monday, 2 November
Light rain. High 73°, low 62°.
0.22Mammoth Cave, Tuesday, 3 November
Rain. High 71°, low 60°.
0.08Mammoth Cave, Wednesday, 4 November
Light rain. High 69°, low 53°.
0Mammoth Cave, Thursday, 5 November
Overcast. High 63°, low 46°.
0Mammoth Cave, Friday, 6 November
Clear. High 64°, low 51°.
0Mammoth Cave, Saturday, 7 November
Clear. High 70°, low 45°.
0.81Mammoth Cave, Sunday, 8 November
Rain. High 71°, low 59°.
0.01Mammoth Cave, Monday, 9 November
Light rain. High 55°, low 42°.
0.13Mammoth Cave, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13
Mammoth 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.
0.14Mammoth Cave, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11Mammoth Cave, Sunday, 22 November
Climate normal for this date — 60-year average.
0.14Mammoth Cave, Monday, 23 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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