Weather in Grassy Fork, TN
Grassy Fork, Saturday, 10 October, 16:45
Overcast. Feels like 64°. High 63°, low 55°.
Monthly outlook for Grassy Fork, TN: average high 65°, average low 47.5°. That is 1.5° below the climate normal for October. Precipitation is expected on 5 days (about 3.4 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 15 October (85.3°), the coolest 19 October (27.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 68.6° | 68.7° | -0.1° |
| 20 October – 29 October | 59° | 65.6° | -3.7° |
| 30 October – 8 November | at normal | 62.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cosby (9 mi).
0.38
Grassy Fork, Sunday, 11 October
Rain. High 64°, low 60°.
0Grassy Fork, Monday, 12 October
Light rain. High 78°, low 60°.
0
Grassy Fork, Tuesday, 13 October
Clear. High 84°, low 66°.
0Grassy Fork, Wednesday, 14 October
Clear. High 83°, low 67°.
0Grassy Fork, Thursday, 15 October
Clear. High 85°, low 67°.
0.03Grassy Fork, Friday, 16 October
Light rain. High 83°, low 61°.
0.07Grassy Fork, Saturday, 17 October
Light rain. High 56°, low 33°.
0.05
Grassy Fork, Sunday, 18 October
Light snow. High 39°, low 30°.
0Grassy Fork, Monday, 19 October
Clear. High 50°, low 27°.
0Grassy Fork, Tuesday, 20 October
Clear. High 58°, low 34°.
0Grassy Fork, Wednesday, 21 October
Clear. High 63°, low 38°.
0Grassy Fork, Thursday, 22 October
Clear. High 65°, low 40°.
0Grassy Fork, Friday, 23 October
Overcast. High 64°, low 41°.
2.11Grassy Fork, Saturday, 24 October
Heavy rain. High 49°, low 41°.
0.02Grassy Fork, Sunday, 25 October
Light rain. High 55°, low 39°.
0.09
Grassy 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.
0.11Grassy Fork, Sunday, 8 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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