Weather in Deason, TN
Deason, Thursday, 8 October, 01:17
Clear. Feels like 59°. High 87°, low 55°.
Monthly outlook for Deason, TN: average high 75.6°, average low 56.4°. That is 2.8° above the climate normal for October. Precipitation is expected on 3 days (about 3.1 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 9 October (88.8°), the coolest 20 October (43.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 80.8° | 71.8° | +5° |
| 18 October – 27 October | 66.9° | 67.7° | -0.4° |
| 28 October – 6 November | at normal | 64.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Shelbyville (7 mi).
0
Deason, Friday, 9 October
Overcast. High 89°, low 55°.
1.93
Deason, Saturday, 10 October
Heavy rain. High 73°, low 63°.
0.31Deason, Sunday, 11 October
Rain. High 67°, low 63°.
0
Deason, Monday, 12 October
Clear. High 82°, low 58°.
0Deason, Tuesday, 13 October
Clear. High 84°, low 63°.
0
Deason, Wednesday, 14 October
Mostly clear. High 81°, low 57°.
0Deason, Thursday, 15 October
Clear. High 85°, low 65°.
0Deason, Friday, 16 October
Clear. High 82°, low 67°.
0Deason, Saturday, 17 October
Overcast. High 78°, low 58°.
0Deason, Sunday, 18 October
Overcast. High 55°, low 49°.
0Deason, Monday, 19 October
Clear. High 69°, low 44°.
0Deason, Tuesday, 20 October
Clear. High 71°, low 43°.
0Deason, Wednesday, 21 October
Overcast. High 71°, low 47°.
0.84Deason, Thursday, 22 October
Rain. High 61°, low 54°.
0.03Deason, Friday, 23 October
Light rain. High 73°, low 61°.
0.12
Deason, Saturday, 24 October
Climate normal for this date — 60-year average.
0.21
Deason, Sunday, 25 October
Climate normal for this date — 60-year average.
0.15Deason, Monday, 26 October
Climate normal for this date — 60-year average.
0.15Deason, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.14Deason, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.1Deason, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Deason, Friday, 30 October
Climate normal for this date — 60-year average.
0.11Deason, Saturday, 31 October
Climate normal for this date — 60-year average.
0.15Deason, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Deason, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Deason, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Deason, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.14Deason, Thursday, 5 November
Climate normal for this date — 60-year average.
0.11Deason, Friday, 6 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 Deason, 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 Deason, 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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