Weather in South Williamson, KY
South Williamson, Friday, 13 November, 10:51
Overcast. Feels like 39°. High 45°, low 40°.
Monthly outlook for South Williamson, KY: average high 53.5°, average low 35.2°. That is 0.8° below the climate normal for November. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 21 November (68.6°), the coolest 25 November (21.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 57.1° | 55.4° | +0.9° |
| 23 November – 2 December | 47.5° | 53.1° | -3.1° |
| 3 December – 12 December | at normal | 48.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Zebulon (14 mi).
0South Williamson, Saturday, 14 November
Overcast. High 47°, low 37°.
0South Williamson, Sunday, 15 November
Overcast. High 47°, low 36°.
0
South Williamson, Monday, 16 November
Mostly clear. High 51°, low 31°.
0
South Williamson, Tuesday, 17 November
Clear. High 57°, low 30°.
0South Williamson, Wednesday, 18 November
Clear. High 62°, low 31°.
0South Williamson, Thursday, 19 November
Overcast. High 63°, low 39°.
0South Williamson, Friday, 20 November
Clear. High 65°, low 47°.
0
South Williamson, Saturday, 21 November
Partly cloudy. High 69°, low 47°.
0South Williamson, Sunday, 22 November
Overcast. High 65°, low 46°.
0.04
South Williamson, Monday, 23 November
Light rain. High 66°, low 51°.
0.38
South Williamson, Tuesday, 24 November
Snow. High 55°, low 28°.
0South Williamson, Wednesday, 25 November
Clear. High 34°, low 22°.
0South Williamson, Thursday, 26 November
Overcast. High 36°, low 23°.
0South Williamson, Friday, 27 November
Clear. High 47°, low 25°.
0South Williamson, Saturday, 28 November
Mostly clear. High 48°, low 30°.
0.08South Williamson, Sunday, 29 November
Climate normal for this date — 60-year average.
0.24
South Williamson, Monday, 30 November
Climate normal for this date — 60-year average.
0.17South Williamson, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11South Williamson, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.11South Williamson, Thursday, 3 December
Climate normal for this date — 60-year average.
0.15South Williamson, Friday, 4 December
Climate normal for this date — 60-year average.
0.12South Williamson, Saturday, 5 December
Climate normal for this date — 60-year average.
0.13South Williamson, Sunday, 6 December
Climate normal for this date — 60-year average.
0.13South Williamson, Monday, 7 December
Climate normal for this date — 60-year average.
0.12South Williamson, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.19South Williamson, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.2South Williamson, Thursday, 10 December
Climate normal for this date — 60-year average.
0.13South Williamson, Friday, 11 December
Climate normal for this date — 60-year average.
0.1South Williamson, Saturday, 12 December
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 South Williamson, 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 South Williamson, 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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