Weather in Chattanooga, TN
Chattanooga, Saturday, 31 October, 19:50
Overcast. Feels like 63°. High 73°, low 58°.
Monthly outlook for Chattanooga, TN: average high 66.5°, average low 52.5°. That is 2.3° above the climate normal for October. Precipitation is expected on 7 days (about 2.5 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 31 October (73.4°), the coolest 10 November (42.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 66.9° | 63.9° | +1.7° |
| 10 November – 19 November | 65.9° | 59.7° | +3.4° |
| 20 November – 29 November | at normal | 56.8° | — |
October records over 66 years
0.38
Chattanooga, Sunday, 1 November
Rain. High 60°, low 50°.
0Chattanooga, Monday, 2 November
Overcast. High 71°, low 49°.
0Chattanooga, Tuesday, 3 November
Overcast. High 70°, low 58°.
1.11Chattanooga, Wednesday, 4 November
Rain. High 66°, low 63°.
0.21Chattanooga, Thursday, 5 November
Rain. High 70°, low 55°.
0.15Chattanooga, Friday, 6 November
Light rain. High 70°, low 52°.
0
Chattanooga, Saturday, 7 November
Clear. High 70°, low 53°.
0.23Chattanooga, Sunday, 8 November
Light rain. High 61°, low 52°.
0
Chattanooga, Monday, 9 November
Partly cloudy. High 57°, low 44°.
0
Chattanooga, Tuesday, 10 November
Mostly clear. High 62°, low 43°.
0Chattanooga, Wednesday, 11 November
Clear. High 67°, low 45°.
0.08Chattanooga, Thursday, 12 November
Light rain. High 71°, low 54°.
0Chattanooga, Friday, 13 November
Overcast. High 72°, low 59°.
0.33Chattanooga, Saturday, 14 November
Rain. High 66°, low 58°.
0Chattanooga, Sunday, 15 November
Overcast. High 56°, low 49°.
0.1
Chattanooga, 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.
0.12Chattanooga, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Chattanooga, Monday, 23 November
Climate normal for this date — 60-year average.
0.16Chattanooga, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.15Chattanooga, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.15Chattanooga, Thursday, 26 November
Climate normal for this date — 60-year average.
0.19Chattanooga, Friday, 27 November
Climate normal for this date — 60-year average.
0.25Chattanooga, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Chattanooga, Sunday, 29 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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