Weather in Harrisburg, TN
Harrisburg, Friday, 30 October, 14:02
Clear. Feels like 72°. High 76°, low 48°.
Monthly outlook for Harrisburg, TN: average high 65.4°, average low 50.2°. That is 2.2° above the climate normal for October. Precipitation is expected on 7 days (about 3.7 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 3 November (76.7°), the coolest 13 November (40.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 68.9° | 62.8° | +3.4° |
| 9 November – 18 November | 59.6° | 58.7° | +0.5° |
| 19 November – 28 November | at normal | 56.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cosby (14 mi).
0
Harrisburg, Saturday, 31 October
Overcast. High 75°, low 51°.
0Harrisburg, Sunday, 1 November
Overcast. High 70°, low 53°.
0
Harrisburg, Monday, 2 November
Mostly clear. High 75°, low 50°.
0Harrisburg, Tuesday, 3 November
Mostly clear. High 77°, low 51°.
0.65
Harrisburg, Wednesday, 4 November
Rain. High 73°, low 59°.
2.07Harrisburg, Thursday, 5 November
Heavy rain. High 62°, low 59°.
0.22Harrisburg, Friday, 6 November
Light rain. High 60°, low 57°.
0.04Harrisburg, Saturday, 7 November
Light rain. High 62°, low 52°.
0
Harrisburg, Sunday, 8 November
Partly cloudy. High 60°, low 44°.
0Harrisburg, Monday, 9 November
Overcast. High 66°, low 47°.
0.19Harrisburg, Tuesday, 10 November
Light rain. High 63°, low 53°.
0.04Harrisburg, Wednesday, 11 November
Light rain. High 52°, low 46°.
0Harrisburg, Thursday, 12 November
Light rain. High 54°, low 43°.
0.03Harrisburg, Friday, 13 November
Light rain. High 63°, low 40°.
0.5Harrisburg, Saturday, 14 November
Rain. High 59°, low 50°.
0.13
Harrisburg, 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.
0.15Harrisburg, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.08Harrisburg, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.14Harrisburg, Thursday, 26 November
Climate normal for this date — 60-year average.
0.12Harrisburg, Friday, 27 November
Climate normal for this date — 60-year average.
0.19Harrisburg, Saturday, 28 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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