Weather in Harrisburg, TN
Harrisburg, Sunday, 25 October, 05:31
Clear. Feels like 46°. High 71°, low 46°.
Monthly outlook for Harrisburg, TN: average high 72.2°, average low 50.5°. That is 4.9° above the climate normal for October. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 2 November (80°), the coolest 6 November (42.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 74.1° | 64.6° | +5.3° |
| 4 November – 13 November | 68.9° | 60.2° | +4.8° |
| 14 November – 23 November | at normal | 57.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cosby (14 mi).
0
Harrisburg, Monday, 26 October
Mostly clear. High 72°, low 42°.
0
Harrisburg, Tuesday, 27 October
Clear. High 74°, low 48°.
0
Harrisburg, Wednesday, 28 October
Overcast. High 72°, low 51°.
0Harrisburg, Thursday, 29 October
Clear. High 73°, low 48°.
0
Harrisburg, Friday, 30 October
Partly cloudy. High 75°, low 49°.
0Harrisburg, Saturday, 31 October
Overcast. High 74°, low 55°.
0Harrisburg, Sunday, 1 November
Overcast. High 70°, low 57°.
0Harrisburg, Monday, 2 November
Overcast. High 80°, low 59°.
0Harrisburg, Tuesday, 3 November
Mostly clear. High 80°, low 59°.
0.25
Harrisburg, Wednesday, 4 November
Rain. High 68°, low 52°.
0Harrisburg, Thursday, 5 November
Clear. High 64°, low 45°.
0Harrisburg, Friday, 6 November
Mostly clear. High 63°, low 42°.
0Harrisburg, Saturday, 7 November
Partly cloudy. High 71°, low 48°.
0Harrisburg, Sunday, 8 November
Mostly clear. High 72°, low 53°.
0Harrisburg, Monday, 9 November
Mostly clear. High 75°, low 53°.
0.16
Harrisburg, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Harrisburg, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.19Harrisburg, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Harrisburg, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Harrisburg, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Harrisburg, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Harrisburg, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Harrisburg, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Harrisburg, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.13Harrisburg, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Harrisburg, Friday, 20 November
Climate normal for this date — 60-year average.
0.16Harrisburg, Saturday, 21 November
Climate normal for this date — 60-year average.
0.12Harrisburg, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Harrisburg, 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 Harrisburg, 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 Harrisburg, 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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