Weather in McIllwain, TN
McIllwain, Monday, 12 October, 01:03
Mostly clear. Feels like 56°. High 85°, low 57°.
Monthly outlook for McIllwain, TN: average high 74.7°, average low 53.5°. That is 2.9° above the climate normal for October. Precipitation is expected on 2 days (about 1.1 inches), against a normal of 4 days and 2.1 inches. The warmest day looks like 14 October (91°), the coolest 18 October (38.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 79.5° | 70.7° | +4.9° |
| 22 October – 31 October | 66.9° | 67.4° | -0.3° |
| 1 November – 10 November | at normal | 63.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Holladay (4 mi).
0
McIllwain, Tuesday, 13 October
Clear. High 89°, low 64°.
0.05
McIllwain, Wednesday, 14 October
Light rain. High 91°, low 71°.
0McIllwain, Thursday, 15 October
Clear. High 91°, low 71°.
0McIllwain, Friday, 16 October
Clear. High 73°, low 58°.
0McIllwain, Saturday, 17 October
Clear. High 64°, low 47°.
0McIllwain, Sunday, 18 October
Clear. High 69°, low 39°.
0
McIllwain, Monday, 19 October
Partly cloudy. High 75°, low 46°.
0McIllwain, Tuesday, 20 October
Partly cloudy. High 78°, low 54°.
0.01McIllwain, Wednesday, 21 October
Light rain. High 80°, low 67°.
1.03McIllwain, Thursday, 22 October
Rain. High 68°, low 53°.
0McIllwain, Friday, 23 October
Clear. High 67°, low 47°.
0
McIllwain, Saturday, 24 October
Mostly clear. High 61°, low 39°.
0
McIllwain, Sunday, 25 October
Overcast. High 72°, low 46°.
0McIllwain, Monday, 26 October
Overcast. High 68°, low 52°.
0McIllwain, Tuesday, 27 October
Overcast. High 66°, low 46°.
0.12
McIllwain, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.08McIllwain, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11McIllwain, Friday, 30 October
Climate normal for this date — 60-year average.
0.12McIllwain, Saturday, 31 October
Climate normal for this date — 60-year average.
0.14McIllwain, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09McIllwain, Monday, 2 November
Climate normal for this date — 60-year average.
0.08McIllwain, 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.
0.14McIllwain, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06McIllwain, 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.
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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