Weather in Harrisburg, TN
Harrisburg, Wednesday, 28 October, 23:40
Clear. Feels like 52°. High 72°, low 47°.
Monthly outlook for Harrisburg, TN: average high 66.1°, average low 48.5°. That is 2.1° above the climate normal for October. Precipitation is expected on 4 days (about 1.9 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 30 October (77.8°), the coolest 9 November (37.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 71.5° | 63.5° | +4.5° |
| 7 November – 16 November | 57.1° | 59.2° | -1.2° |
| 17 November – 26 November | at normal | 57.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cosby (14 mi).
0
Harrisburg, Thursday, 29 October
Clear. High 75°, low 46°.
0Harrisburg, Friday, 30 October
Clear. High 78°, low 47°.
0
Harrisburg, Saturday, 31 October
Overcast. High 72°, low 51°.
0Harrisburg, Sunday, 1 November
Overcast. High 65°, low 56°.
0Harrisburg, Monday, 2 November
Overcast. High 72°, low 56°.
0
Harrisburg, Tuesday, 3 November
Partly cloudy. High 74°, low 51°.
0Harrisburg, Wednesday, 4 November
Overcast. High 73°, low 62°.
1.2
Harrisburg, Thursday, 5 November
Heavy rain. High 74°, low 57°.
0.05Harrisburg, Friday, 6 November
Light rain. High 61°, low 53°.
0.18Harrisburg, Saturday, 7 November
Light rain. High 55°, low 46°.
0Harrisburg, Sunday, 8 November
Clear. High 55°, low 37°.
0Harrisburg, Monday, 9 November
Clear. High 58°, low 37°.
0Harrisburg, Tuesday, 10 November
Overcast. High 59°, low 44°.
0Harrisburg, Wednesday, 11 November
Overcast. High 60°, low 40°.
0.47Harrisburg, Thursday, 12 November
Rain. High 56°, low 46°.
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.
0.13
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.
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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