Weather in McIllwain, TN
McIllwain, Sunday, 18 October, 12:00
Clear. Feels like 61°. High 66°, low 40°.
Monthly outlook for McIllwain, TN: average high 71.8°, average low 50.6°. That is 2.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 30 October (82.5°), the coolest 2 November (38.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 72.9° | 68.3° | +2.6° |
| 28 October – 6 November | 70.1° | 65.1° | +2.8° |
| 7 November – 16 November | at normal | 60.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Holladay (4 mi).
0McIllwain, Monday, 19 October
Clear. High 70°, low 45°.
0McIllwain, Tuesday, 20 October
Clear. High 73°, low 48°.
0McIllwain, Wednesday, 21 October
Clear. High 74°, low 48°.
0McIllwain, Thursday, 22 October
Clear. High 73°, low 49°.
0McIllwain, Friday, 23 October
Clear. High 74°, low 50°.
0
McIllwain, Saturday, 24 October
Overcast. High 76°, low 53°.
0McIllwain, Sunday, 25 October
Overcast. High 73°, low 51°.
0McIllwain, Monday, 26 October
Overcast. High 74°, low 53°.
0McIllwain, Tuesday, 27 October
Overcast. High 76°, low 54°.
0.3
McIllwain, Wednesday, 28 October
Light rain. High 69°, low 62°.
0.6McIllwain, Thursday, 29 October
Rain. High 76°, low 64°.
0.18McIllwain, Friday, 30 October
Light rain. High 83°, low 64°.
0.33McIllwain, Saturday, 31 October
Rain. High 68°, low 50°.
0McIllwain, Sunday, 1 November
Clear. High 62°, low 42°.
0McIllwain, Monday, 2 November
Clear. High 63°, low 39°.
0.08
McIllwain, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11McIllwain, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.14McIllwain, Thursday, 5 November
Climate normal for this date — 60-year average.
0.14McIllwain, Friday, 6 November
Climate normal for this date — 60-year average.
0.14
McIllwain, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06
McIllwain, Sunday, 8 November
Climate normal for this date — 60-year average.
0.16McIllwain, Monday, 9 November
Climate normal for this date — 60-year average.
0.11McIllwain, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11McIllwain, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07McIllwain, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07McIllwain, Friday, 13 November
Climate normal for this date — 60-year average.
0.09McIllwain, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13McIllwain, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13McIllwain, Monday, 16 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 McIllwain, TN 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 McIllwain, TN 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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