Ruby Falls, Saturday, 8 August, 13:05
Mostly clear. Feels like 97°. High 88°, low 70°.
Ruby Falls, Sunday, 9 August
Rain. High 89°, low 71°.
Ruby Falls, Monday, 10 August
Rain. High 91°, low 70°.
Ruby Falls, Tuesday, 11 August
Light rain. High 93°, low 71°.
Ruby Falls, Wednesday, 12 August
Light rain. High 94°, low 74°.
Ruby Falls, Thursday, 13 August
Rain. High 94°, low 71°.
Ruby Falls, Friday, 14 August
Rain. High 79°, low 70°.
Ruby Falls, Saturday, 15 August
Light rain. High 85°, low 68°.
Ruby Falls, Sunday, 16 August
Light rain. High 79°, low 71°.
Ruby Falls, Monday, 17 August
Light rain. High 86°, low 70°.
Ruby Falls, Tuesday, 18 August
Light rain. High 91°, low 72°.
Ruby Falls, Wednesday, 19 August
Rain. High 94°, low 73°.
Ruby Falls, Thursday, 20 August
Rain. High 86°, low 67°.
Ruby Falls, Friday, 21 August
Mostly clear. High 81°, low 60°.
Ruby Falls, Saturday, 22 August
Partly cloudy. High 81°, low 56°.
Ruby Falls, Sunday, 23 August
Light rain. High 83°, low 58°.
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 Ruby Falls, 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 Ruby Falls, 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.