Weather in Grassy Fork, TN
Grassy Fork, Friday, 9 October, 21:35
Overcast. Feels like 58°. High 72°, low 54°.
Monthly outlook for Grassy Fork, TN: average high 70.5°, average low 52.9°. That is 1.3° above the climate normal for October. Precipitation is expected on 6 days (about 2.8 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 16 October (84°), the coolest 18 October (32.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 73.3° | 69.2° | +2.3° |
| 19 October – 28 October | 65.9° | 65.8° | +0.1° |
| 29 October – 7 November | at normal | 63.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cosby (9 mi).
1.32
Grassy Fork, Saturday, 10 October
Heavy rain. High 65°, low 51°.
0.24Grassy Fork, Sunday, 11 October
Rain. High 71°, low 56°.
0.02Grassy Fork, Monday, 12 October
Light rain. High 80°, low 63°.
0
Grassy Fork, Tuesday, 13 October
Clear. High 83°, low 67°.
0
Grassy Fork, Wednesday, 14 October
Mostly clear. High 84°, low 69°.
0.21Grassy Fork, Thursday, 15 October
Light rain. High 79°, low 66°.
0Grassy Fork, Friday, 16 October
Clear. High 84°, low 66°.
0.1Grassy Fork, Saturday, 17 October
Light rain. High 62°, low 39°.
0Grassy Fork, Sunday, 18 October
Clear. High 53°, low 32°.
0Grassy Fork, Monday, 19 October
Clear. High 64°, low 38°.
0Grassy Fork, Tuesday, 20 October
Overcast. High 69°, low 43°.
0Grassy Fork, Wednesday, 21 October
Overcast. High 67°, low 45°.
0.59Grassy Fork, Thursday, 22 October
Heavy rain. High 64°, low 58°.
0.27Grassy Fork, Friday, 23 October
Rain. High 61°, low 50°.
0Grassy Fork, Saturday, 24 October
Overcast. High 71°, low 49°.
0.16
Grassy Fork, Sunday, 25 October
Climate normal for this date — 60-year average.
0.09Grassy Fork, Monday, 26 October
Climate normal for this date — 60-year average.
0.17Grassy Fork, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.15Grassy Fork, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.11
Grassy Fork, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12Grassy Fork, Friday, 30 October
Climate normal for this date — 60-year average.
0.09Grassy Fork, Saturday, 31 October
Climate normal for this date — 60-year average.
0.08Grassy Fork, Sunday, 1 November
Climate normal for this date — 60-year average.
0.18Grassy Fork, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Grassy Fork, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.14Grassy Fork, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Grassy Fork, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Grassy Fork, Friday, 6 November
Climate normal for this date — 60-year average.
0.17Grassy Fork, 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 Grassy Fork, 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 Grassy Fork, 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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