Weather in Valley Forge, TN
Valley Forge, Saturday, 8 August, 15:17
Mostly clear. Feels like 91°. High 84°, low 68°.
Monthly outlook for Valley Forge, TN: average high 82.6°, average low 66°. That is 0.6° above the climate normal for August. Precipitation is expected on 14 days (about 3.4 inches), against a normal of 7 days and 1.7 inches. The warmest day looks like 20 August (89°), the coolest 15 August (56.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 82.9° | 81.5° | +0.8° |
| 18 August – 27 August | 82.1° | 81.5° | +0.3° |
| 28 August – 6 September | at normal | 80.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Johnson City (11 mi).
0.39
Valley Forge, Sunday, 9 August
Rain. High 83°, low 68°.
0.09Valley Forge, Monday, 10 August
Light rain. High 87°, low 67°.
0.38Valley Forge, Tuesday, 11 August
Rain. High 86°, low 69°.
0.33Valley Forge, Wednesday, 12 August
Rain. High 85°, low 68°.
0.31Valley Forge, Thursday, 13 August
Rain. High 85°, low 67°.
0.62Valley Forge, Friday, 14 August
Rain. High 70°, low 63°.
0Valley Forge, Saturday, 15 August
Mostly clear. High 79°, low 57°.
0.01Valley Forge, Sunday, 16 August
Light rain. High 84°, low 60°.
0.04Valley Forge, Monday, 17 August
Light rain. High 86°, low 63°.
0.29Valley Forge, Tuesday, 18 August
Rain. High 79°, low 66°.
0.11Valley Forge, Wednesday, 19 August
Light rain. High 87°, low 70°.
0.13Valley Forge, Thursday, 20 August
Light rain. High 89°, low 68°.
0.19Valley Forge, Friday, 21 August
Light rain. High 80°, low 69°.
0.28Valley Forge, Saturday, 22 August
Light rain. High 76°, low 68°.
0.04Valley Forge, Sunday, 23 August
Light rain. High 81°, low 65°.
0.1
Valley Forge, Monday, 24 August
Climate normal for this date — 60-year average.
0.07
Valley Forge, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Valley Forge, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15Valley Forge, Thursday, 27 August
Climate normal for this date — 60-year average.
0.08Valley Forge, Friday, 28 August
Climate normal for this date — 60-year average.
0.06Valley Forge, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Valley Forge, Sunday, 30 August
Climate normal for this date — 60-year average.
0.1Valley Forge, Monday, 31 August
Climate normal for this date — 60-year average.
0.15Valley Forge, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Valley Forge, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Valley Forge, Thursday, 3 September
Climate normal for this date — 60-year average.
0.15Valley Forge, Friday, 4 September
Climate normal for this date — 60-year average.
0.17Valley Forge, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Valley Forge, Sunday, 6 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 Valley Forge, 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 Valley Forge, 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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