Weather in Decatur Hills, TN
Decatur Hills, Sunday, 9 August, 09:12
Overcast. Feels like 75°. High 82°, low 71°.
Monthly outlook for Decatur Hills, TN: average high 92.6°, average low 69.4°. That is 3.8° above the climate normal for August. Precipitation is expected on 8 days (about 1.7 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 16 August (99.9°), the coolest 21 August (63.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 93.7° | 85.7° | +4.4° |
| 19 August – 28 August | 90.8° | 85.7° | +2.8° |
| 29 August – 7 September | at normal | 84° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Spring City (11 mi).
0.29
Decatur Hills, Monday, 10 August
Rain. High 85°, low 69°.
0.02Decatur Hills, Tuesday, 11 August
Light rain. High 93°, low 68°.
0.19Decatur Hills, Wednesday, 12 August
Light rain. High 95°, low 69°.
0.09Decatur Hills, Thursday, 13 August
Light rain. High 93°, low 69°.
0Decatur Hills, Friday, 14 August
Light rain. High 97°, low 73°.
0
Decatur Hills, Saturday, 15 August
Partly cloudy. High 99°, low 74°.
0Decatur Hills, Sunday, 16 August
Light rain. High 100°, low 73°.
0
Decatur Hills, Monday, 17 August
Mostly clear. High 99°, low 75°.
0Decatur Hills, Tuesday, 18 August
Overcast. High 96°, low 72°.
0.63Decatur Hills, Wednesday, 19 August
Rain. High 93°, low 69°.
0.15Decatur Hills, Thursday, 20 August
Light rain. High 89°, low 69°.
0
Decatur Hills, Friday, 21 August
Clear. High 90°, low 63°.
0.08Decatur Hills, Saturday, 22 August
Light rain. High 95°, low 65°.
0.06Decatur Hills, Sunday, 23 August
Light rain. High 91°, low 67°.
0Decatur Hills, Monday, 24 August
Overcast. High 87°, low 65°.
0.1
Decatur Hills, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.14Decatur Hills, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Decatur Hills, Thursday, 27 August
Climate normal for this date — 60-year average.
0.07Decatur Hills, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Decatur Hills, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Decatur Hills, Sunday, 30 August
Climate normal for this date — 60-year average.
0.12Decatur Hills, Monday, 31 August
Climate normal for this date — 60-year average.
0.15Decatur Hills, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Decatur Hills, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Decatur Hills, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Decatur Hills, Friday, 4 September
Climate normal for this date — 60-year average.
0.15Decatur Hills, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09Decatur Hills, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Decatur Hills, Monday, 7 September
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 Decatur Hills, 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 Decatur Hills, 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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