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Fincastle, TN 37766 Weather

Today: Patchy Fog then Sunny, high 75°F, low 45°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Fincastle, TN 37766 current weather

50°F

Mostly Clear

Forecast for this hour. No recent report from a nearby station.

H 75° / L 45°

No recent station report. NWS hourly forecast updated 10/28/2026, 11:26 PM PT

Hourly forecast

NWS, updated 10/28/2026, 11:26 PM PT

  1. Now50°
  2. 3 AM48°
  3. 4 AM48°
  4. 5 AM47°
  5. 6 AM46°
  6. 7 AM45°
  7. 8 AM45°
  8. 9 AM47°
  9. 10 AM53°
  10. 11 AM61°
  11. 12 PM65°
  12. 1 PM70°
  13. 2 PM73°
  14. 3 PM73°
  15. 4 PM74°
  16. 5 PM73°
  17. 6 PM70°
  18. 7 PM66°
  19. 8 PM60°
  20. 9 PM57°
  21. 10 PM56°
  22. 11 PM54°
  23. 12 AM53°Fri
  24. 1 AM53°
  25. 2 AM52°
  26. 3 AM50°
  27. 4 AM50°
  28. 5 AM49°
  29. 6 AM49°
  30. 7 AM48°
  31. 8 AM48°
  32. 9 AM50°
  33. 10 AM57°
  34. 11 AM63°
  35. 12 PM68°
  36. 1 PM73°
  37. 2 PM75°
  38. 3 PM75°
  39. 4 PM76°
  40. 5 PM75°
  41. 6 PM72°
  42. 7 PM68°
  43. 8 PM62°
  44. 9 PM60°
  45. 10 PM58°
  46. 11 PM57°
  47. 12 AM56°Sat
  48. 1 AM55°

7-day forecast

Tap a day for details

  • Today10/29Low 45°High 75°

    Thursday: Patchy fog before 9am. Sunny, with a high near 75. South wind around 0 mph.

    Overnight: Patchy fog after 4am. Mostly clear, with a low around 45. Wind around 0 mph.

    Patchy Fog then Sunny
  • Fri10/30Low 53°High 77°

    Friday: Patchy fog between 7am and 10am. Mostly sunny, with a high near 77. Northeast wind around 0 mph.

    Friday Night: Mostly cloudy, with a low around 53. Northeast wind around 0 mph.

    Patchy Fog then Mostly Sunny
  • Sat10/31Low 53°High 72°

    Saturday: Mostly cloudy, with a high near 72. East wind around 0 mph.

    Saturday Night: Cloudy, with a low around 53. Northeast wind around 0 mph.

    Mostly Cloudy
  • Sun11/132% chance of precipitationLow 51°High 67°

    Sunday: A chance of rain showers after 7am. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.

    Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Chance Rain Showers
  • Mon11/224% chance of precipitationLow 51°High 71°

    Monday: A slight chance of rain showers before 7am. Mostly cloudy, with a high near 71. Chance of precipitation is 20%.

    Monday Night: Mostly cloudy, with a low around 51.

    Slight Chance Rain Showers then Mostly Cloudy
  • Tue11/325% chance of precipitationLow 54°High 74°

    Tuesday: A slight chance of rain showers after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 20%.

    Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Partly Sunny then Slight Chance Rain Showers
  • Wed11/437% chance of precipitationLow High 72°

    Wednesday: A chance of rain showers. Partly sunny, with a high near 72.

    Chance Rain Showers

Forecast for 36.404, -84.071 from the NWS MRX office, updated 10/28/2026, 11:26 PM PT · Official forecast on weather.gov

Hazardous weather outlookIssued 10/29/2026, 2:25 AM EDT

Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins- Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen- Northwest Cocke-Cocke Smoky Mountains-Northwest Greene- Southeast Greene-Washington TN-Unicoi-Northwest Carter- Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount- Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains- Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe- Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee- Wise-Scott VA-Russell-Washington VA- 225 AM EDT Thu Oct 29 2026 /125 AM CDT Thu Oct 29 2026/

This Hazardous Weather Outlook is for portions of southwest North Carolina: east Tennessee and southwest Virginia.

Day one: Today and Tonight

No hazardous weather is expected at this time.

Days two through seven: Friday through Wednesday

No hazardous weather is expected at this time.

Spotter information statement

Spotter activation is not needed at this time.

Forecaster's discussionIssued 10/29/2026, 2:25 AM EDT

: New DISCUSSION, AVIATION:

Key messages

Updated at 209 AM EDT Thu Oct 29 2026

- Dry conditions will continue for the next several days with mild highs in the 70s and seasonally cool lows in the 40s.

- Medium rain chances for only light rainfall on Sunday and Sunday night, mainly south of Knoxville.

- A return to dry and mild weather for the first couple of days next week.

Discussion

Issued at 209 AM EDT Thu Oct 29 2026

It will get slightly warmer over the next couple of days, leading to a pleasant Halloween weekend. Low level ridge will remain parked over the Mid-South region as we head into Saturday, keeping the weather dry and peaceful. Still could see patchy fog each morning, primarily near the rivers and lakes.

Looking towards the weekend, Halloween itself is likely to be dry for candy hunting, frights and thrills, and costume parties. A subtle shortwave arrives on Sunday, but poor moisture return means any rainfall is likely to remain on the lighter side. Euro and the AI guidance suite both keep the better rain amounts south of the Tennessee - Georgia state line, but light rain amounts may still fall in East Tennessee. Think the northern extent of the rain chances may be overdone, given the dryness we're currently in and the QPF model fields, but I only made minor trims to the PoPs. High temperatures on Sunday are likely to be more muted thanks to the widespread cloud cover.

Next week we will likely see another couple dry fall weather days, leaning on the more mild side similar to this past week. Midweek into late week ensemble guidance depicts potential for a southern US trough that will be the next system to watch to fill our growing need of rain.

Aviation

(06Z TAFS) Issued at 209 AM EDT Thu Oct 29 2026

Mid to high clouds moving northeasterly at this time. It could affect localized fog development before sunrise, however, there's still a chance of ground or elevated fog nearby. Broad upper level ridging and surface high pressure centered overhead, will continue to provide dry conditions with light and variable day- time winds later today.

Preliminary point temps/pops

Chattanooga Airport, TN 76 50 78 56 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 75 48 78 54 / 0 0 0 0 Oak Ridge, TN 75 47 77 55 / 0 0 0 0 Tri Cities Airport, TN 73 44 77 50 / 0 0 0 0

Watches, warnings and advisories

NC: NONE. TN: NONE. VA: NONE.

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now50°Mostly Clear0%0 mph
  2. 3 AM48°Mostly Clear0%0 mph
  3. 4 AM48°Patchy Fog0%0 mph
  4. 5 AM47°Patchy Fog0%0 mph
  5. 6 AM46°Patchy Fog0%0 mph
  6. 7 AM45°Patchy Fog0%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gusts
Show

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Fincastle, TN 37766?
The National Weather Service forecast for thursday calls for a high near 75°F. Patchy Fog then Sunny.
Will it rain in Fincastle, TN 37766 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Fincastle, TN 37766 today?
Sunrise is about 7:56 AM EDT and sunset is about 6:43 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Fincastle, TN 37766?
At Newcomb, the 1991 to 2020 normal high in October is 70°F and the normal low is 44°F.

Nearby hazards

Tennessee hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Knoxville)
55ModeratePM2.5
AQI forecast tomorrow (Knoxville)
53ModeratePM2.5

UV index guide · Air quality

Drought

By county

Campbell County, week of 10/20/2026

42% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
7:56 AM
Sunset
6:43 PM
Daylight
10 hr 46 min
Moon
Waning Gibbous 89% lit
First light (civil dawn)
7:30 AM
Last light (civil dusk)
7:09 PM
Moonrise
9:19 PM
Moonset
12:01 PM

Normal October weather

Climate

Normal October high 70°, low 44°, precipitation 2.77 in for the month. 1991 to 2020 normals at Newcomb, 12 mi away.

Other places nearby

Data sources

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About this data

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