Old Cumberland, Sunday, 9 August, 03:32
Overcast. Feels like 70°. High 82°, low 68°.
Old Cumberland, Monday, 10 August
Rain. High 87°, low 68°.
Old Cumberland, Tuesday, 11 August
Light rain. High 90°, low 69°.
Old Cumberland, Wednesday, 12 August
Light rain. High 89°, low 70°.
Old Cumberland, Thursday, 13 August
Light rain. High 86°, low 69°.
Old Cumberland, Friday, 14 August
Rain. High 89°, low 70°.
Old Cumberland, Saturday, 15 August
Light rain. High 91°, low 69°.
Old Cumberland, Sunday, 16 August
Mostly clear. High 92°, low 70°.
Old Cumberland, Monday, 17 August
Overcast. High 89°, low 71°.
Old Cumberland, Tuesday, 18 August
Mostly clear. High 87°, low 68°.
Old Cumberland, Wednesday, 19 August
Partly cloudy. High 90°, low 66°.
Old Cumberland, Thursday, 20 August
Mostly clear. High 95°, low 69°.
Old Cumberland, Friday, 21 August
Clear. High 97°, low 75°.
Old Cumberland, Saturday, 22 August
Clear. High 97°, low 75°.
Old Cumberland, Sunday, 23 August
Light rain. High 97°, low 73°.
Old Cumberland, Monday, 24 August
Clear. High 93°, low 72°.
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 Old Cumberland, TN are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
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.
They are real temperature extremes recorded in Old Cumberland, TN since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.