Weather in Chattanooga, TN
Chattanooga, Friday, 23 October, 09:45
Clear. Feels like 55°. High 71°, low 47°.
Monthly outlook for Chattanooga, TN: average high 71°, average low 55.3°. That is 3° above the climate normal for October. Precipitation is expected on 6 days (about 3.9 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 2 November (75.7°), the coolest 24 October (45.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 69.2° | 67.1° | +1.1° |
| 2 November – 11 November | 74.1° | 62.8° | +6.3° |
| 12 November – 21 November | at normal | 59° | — |
October records over 66 years
0
Chattanooga, Saturday, 24 October
Mostly clear. High 72°, low 45°.
0Chattanooga, Sunday, 25 October
Clear. High 69°, low 47°.
0
Chattanooga, Monday, 26 October
Overcast. High 70°, low 51°.
0Chattanooga, Tuesday, 27 October
Overcast. High 71°, low 49°.
0Chattanooga, Wednesday, 28 October
Overcast. High 69°, low 53°.
0
Chattanooga, Thursday, 29 October
Partly cloudy. High 72°, low 50°.
0.03
Chattanooga, Friday, 30 October
Light rain. High 68°, low 51°.
1.36Chattanooga, Saturday, 31 October
Heavy rain. High 60°, low 59°.
0.66Chattanooga, Sunday, 1 November
Heavy rain. High 70°, low 60°.
0.01Chattanooga, Monday, 2 November
Light rain. High 76°, low 60°.
0.49Chattanooga, Tuesday, 3 November
Rain. High 71°, low 63°.
0.51Chattanooga, Wednesday, 4 November
Rain. High 75°, low 67°.
0.34Chattanooga, Thursday, 5 November
Light rain. High 74°, low 65°.
0.49Chattanooga, Friday, 6 November
Rain. High 75°, low 61°.
0Chattanooga, Saturday, 7 November
Overcast. High 74°, low 56°.
0.06Chattanooga, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Chattanooga, Monday, 9 November
Climate normal for this date — 60-year average.
0.16
Chattanooga, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Chattanooga, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.14Chattanooga, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Chattanooga, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Chattanooga, Saturday, 14 November
Climate normal for this date — 60-year average.
0.19Chattanooga, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1Chattanooga, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Chattanooga, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Chattanooga, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Chattanooga, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Chattanooga, Friday, 20 November
Climate normal for this date — 60-year average.
0.14Chattanooga, Saturday, 21 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 Chattanooga, 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 Chattanooga, 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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