Weather in Signal Hills, TN
Signal Hills, Sunday, 9 August, 12:12
Overcast. Feels like 88°. High 83°, low 71°.
Monthly outlook for Signal Hills, TN: average high 93°, average low 71.3°. That is 3.7° above the climate normal for August. Precipitation is expected on 10 days (about 1.8 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 16 August (100.1°), the coolest 21 August (65.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 93.6° | 86.3° | +4.1° |
| 19 August – 28 August | 91.9° | 86.3° | +3.1° |
| 29 August – 7 September | at normal | 84.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Chattanooga (5 mi).
0.41
Signal Hills, Monday, 10 August
Rain. High 86°, low 71°.
0.19Signal Hills, Tuesday, 11 August
Rain. High 93°, low 70°.
0.06Signal Hills, Wednesday, 12 August
Light rain. High 95°, low 71°.
0.08Signal Hills, Thursday, 13 August
Light rain. High 93°, low 70°.
0Signal Hills, Friday, 14 August
Overcast. High 96°, low 74°.
0Signal Hills, Saturday, 15 August
Overcast. High 99°, low 76°.
0
Signal Hills, Sunday, 16 August
Partly cloudy. High 100°, low 74°.
0
Signal Hills, Monday, 17 August
Clear. High 100°, low 77°.
0.17Signal Hills, Tuesday, 18 August
Rain. High 92°, low 74°.
0.06Signal Hills, Wednesday, 19 August
Light rain. High 91°, low 72°.
0.09Signal Hills, Thursday, 20 August
Light rain. High 93°, low 70°.
0Signal Hills, Friday, 21 August
Clear. High 92°, low 65°.
0.56Signal Hills, Saturday, 22 August
Heavy rain. High 95°, low 69°.
0.06Signal Hills, Sunday, 23 August
Light rain. High 92°, low 69°.
0Signal Hills, Monday, 24 August
Overcast. High 89°, low 67°.
0.11Signal Hills, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.14Signal Hills, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.1
Signal Hills, Thursday, 27 August
Climate normal for this date — 60-year average.
0.1Signal Hills, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Signal Hills, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Signal Hills, Sunday, 30 August
Climate normal for this date — 60-year average.
0.1Signal Hills, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Signal Hills, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Signal Hills, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Signal Hills, Thursday, 3 September
Climate normal for this date — 60-year average.
0.15Signal Hills, Friday, 4 September
Climate normal for this date — 60-year average.
0.17Signal Hills, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09Signal Hills, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15
Signal 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 Signal 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 Signal 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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