Weather in Erwin, TN
Erwin, Friday, 9 October, 04:39
Overcast. Feels like 51°. High 74°, low 52°.
Monthly outlook for Erwin, TN: average high 69.3°, average low 52.3°. That is 1.7° above the climate normal for October. Precipitation is expected on 5 days (about 2.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 15 October (81.2°), the coolest 18 October (36.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 71.5° | 67.4° | +2.2° |
| 19 October – 28 October | 65.7° | 63.7° | +1.1° |
| 29 October – 7 November | at normal | 61° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Johnson City (14 mi).
1.29
Erwin, Saturday, 10 October
Heavy rain. High 61°, low 54°.
0.29Erwin, Sunday, 11 October
Rain. High 70°, low 60°.
0.15Erwin, Monday, 12 October
Rain. High 74°, low 59°.
0
Erwin, Tuesday, 13 October
Clear. High 76°, low 60°.
0
Erwin, Wednesday, 14 October
Mostly clear. High 77°, low 61°.
0Erwin, Thursday, 15 October
Clear. High 81°, low 60°.
0.11Erwin, Friday, 16 October
Light rain. High 80°, low 61°.
0.1Erwin, Saturday, 17 October
Light rain. High 62°, low 41°.
0Erwin, Sunday, 18 October
Clear. High 60°, low 37°.
0Erwin, Monday, 19 October
Overcast. High 65°, low 43°.
0
Erwin, Tuesday, 20 October
Partly cloudy. High 67°, low 41°.
0Erwin, Wednesday, 21 October
Overcast. High 64°, low 52°.
0.01Erwin, Thursday, 22 October
Light rain. High 66°, low 54°.
0.01Erwin, Friday, 23 October
Light rain. High 65°, low 52°.
0Erwin, Saturday, 24 October
Overcast. High 68°, low 47°.
0.17
Erwin, Sunday, 25 October
Climate normal for this date — 60-year average.
0.09Erwin, Monday, 26 October
Climate normal for this date — 60-year average.
0.15Erwin, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Erwin, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.12Erwin, Thursday, 29 October
Climate normal for this date — 60-year average.
0.13Erwin, Friday, 30 October
Climate normal for this date — 60-year average.
0.08Erwin, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Erwin, Sunday, 1 November
Climate normal for this date — 60-year average.
0.15Erwin, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Erwin, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.14Erwin, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Erwin, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Erwin, Friday, 6 November
Climate normal for this date — 60-year average.
0.14Erwin, Saturday, 7 November
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 Erwin, 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 Erwin, 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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