Weather in Old Zion, TN
Old Zion, Sunday, 9 August, 05:44
Overcast. Feels like 73°. High 84°, low 70°.
Monthly outlook for Old Zion, TN: average high 91.6°, average low 71.7°. That is 3.7° above the climate normal for August. Precipitation is expected on 5 days (about 1.1 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 23 August (99.3°), the coolest 19 August (67.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89.2° | 84.8° | +2.5° |
| 19 August – 28 August | 95.5° | 84.9° | +5.9° |
| 29 August – 7 September | at normal | 83.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Smithville (14 mi).
0.08
Old Zion, Monday, 10 August
Light rain. High 91°, low 70°.
0.15Old Zion, Tuesday, 11 August
Light rain. High 88°, low 69°.
0.03Old Zion, Wednesday, 12 August
Light rain. High 90°, low 71°.
0.39Old Zion, Thursday, 13 August
Rain. High 85°, low 71°.
0.33Old Zion, Friday, 14 August
Light rain. High 91°, low 72°.
0.02Old Zion, Saturday, 15 August
Light rain. High 90°, low 71°.
0
Old Zion, Sunday, 16 August
Partly cloudy. High 96°, low 73°.
0Old Zion, Monday, 17 August
Overcast. High 90°, low 73°.
0
Old Zion, Tuesday, 18 August
Mostly clear. High 86°, low 70°.
0Old Zion, Wednesday, 19 August
Overcast. High 89°, low 67°.
0
Old Zion, Thursday, 20 August
Clear. High 93°, low 72°.
0Old Zion, Friday, 21 August
Clear. High 99°, low 76°.
0Old Zion, Saturday, 22 August
Clear. High 99°, low 76°.
0.01Old Zion, Sunday, 23 August
Light rain. High 99°, low 74°.
0.02Old Zion, Monday, 24 August
Light rain. High 94°, low 72°.
0.06Old Zion, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15Old Zion, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08
Old Zion, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Old Zion, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Old Zion, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Old Zion, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Old Zion, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Old Zion, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13Old Zion, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Old Zion, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08Old Zion, Friday, 4 September
Climate normal for this date — 60-year average.
0.14Old Zion, Saturday, 5 September
Climate normal for this date — 60-year average.
0.08Old Zion, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Old Zion, 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 Old Zion, 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 Old Zion, 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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