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Sweetwater, TN 37874 Weather

It is 46°F and clear in Sweetwater, TN 37874, observed at 4:55 AM EDT. Today: Patchy Fog then Mostly Sunny, high 76°F, low 46°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Sweetwater, TN 37874 current weather

46°F

Clear

H 76° / L 46°Feels like 46°

  • No rain expected in the next 12 hours

Observed at Monroe County Airport (4.8 mi away), 10/30/2026, 4:55 AM EDT

Hourly forecast

NWS, updated 10/29/2026, 11:26 PM PT

  1. Now47°
  2. 6 AM47°
  3. 7 AM47°
  4. 8 AM47°
  5. 9 AM49°
  6. 10 AM56°
  7. 11 AM62°
  8. 12 PM67°
  9. 1 PM72°
  10. 2 PM74°
  11. 3 PM75°
  12. 4 PM76°
  13. 5 PM75°
  14. 6 PM73°
  15. 7 PM68°
  16. 8 PM62°
  17. 9 PM59°
  18. 10 PM58°
  19. 11 PM57°
  20. 12 AM56°Sat
  21. 1 AM55°
  22. 2 AM55°
  23. 3 AM54°
  24. 4 AM53°
  25. 5 AM54°
  26. 6 AM53°
  27. 7 AM52°
  28. 8 AM52°
  29. 9 AM54°
  30. 10 AM59°
  31. 11 AM63°
  32. 12 PM67°
  33. 1 PM70°
  34. 2 PM72°
  35. 3 PM74°
  36. 4 PM74°
  37. 5 PM74°
  38. 6 PM72°
  39. 7 PM69°
  40. 8 PM65°
  41. 9 PM61°
  42. 10 PM59°
  43. 11 PM59°
  44. 12 AM58°Sun
  45. 1 AM58°
  46. 1 AM58°
  47. 2 AM58°
  48. 3 AM57°

7-day forecast

Tap a day for details

  • Today10/30Low 46°High 76°

    Friday: Patchy fog before 9am. Mostly sunny, with a high near 76. Northeast wind 0 to 10 mph.

    Overnight: Patchy fog. Mostly clear, with a low around 46. Northeast wind around 0 mph.

    Patchy Fog then Mostly Sunny
  • Sat10/31Low 55°High 74°

    Saturday: Patchy fog before 9am. Mostly cloudy, with a high near 74. East wind around 0 mph.

    Saturday Night: Cloudy, with a low around 55. Southeast wind around 0 mph.

    Patchy Fog then Mostly Cloudy
  • Sun11/116% chance of precipitationLow 51°High 65°

    Sunday: A slight chance of rain showers after 1pm. Cloudy, with a high near 65. Southeast wind around 0 mph. Chance of precipitation is 20%.

    Sunday Night: A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 51. East wind around 0 mph. Chance of precipitation is 20%.

    Cloudy then Slight Chance Rain Showers
  • Mon11/2Low 50°High 70°

    Monday: Partly sunny, with a high near 70.

    Monday Night: Mostly cloudy, with a low around 50.

    Partly Sunny
  • Tue11/329% chance of precipitationLow 55°High 75°

    Tuesday: Mostly sunny, with a high near 75.

    Tuesday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Mostly Sunny
  • Wed11/446% chance of precipitationLow 54°High 72°

    Wednesday: A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 50%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Chance Rain Showers
  • Thu11/531% chance of precipitationLow High 70°

    Thursday: A chance of rain showers. Partly sunny, with a high near 70.

    Chance Rain Showers

Forecast for 35.586, -84.449 from the NWS MRX office, updated 10/29/2026, 11:26 PM PT · Official forecast on weather.gov

Forecaster's discussionIssued 10/30/2026, 2:41 AM EDT

: New DISCUSSION:

Key messages

Updated at 241 AM EDT Fri Oct 30 2026

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

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

- Low to medium chances for additional rainfall and gusty mountain winds Wednesday into Friday. Details later.

Discussion

Issued at 241 AM EDT Fri Oct 30 2026

Not too many changes with the forecast, patchy river fog each morning continues to be a possibility. Temperatures will remain mild for the forecast period, except excessive cloudiness on Sunday will yield a completely average start to November. Dry weather is likely for all the dressed up trick-or-treaters, maybe someone will be dressed up as a weather radar this year!

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. Guidance has continued the trend of keeping the rain extremely limited in both amounts and areal scope, and the NBM has finally caught on to my expectations. 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 continues to depict potential for a southern US trough that will be the next system to watch to fill our growing need of rain. The last several runs of both physics based and AI guidance indicate potential for mountain wave winds with this system, so something to watch for both rain and wind potential. Since we're still 5 days out, just a watch and see to see if we can both realize these hazards and narrow down the timing for overall passage.

Aviation

(06Z TAFS) Issued at 113 AM EDT Fri Oct 30 2026

The main question into the early morning hours will be development of fog. Currently, chances are highest at CHA and TRI with a low MVFR TEMPO maintained for both. Otherwise, northeasterly winds and limited cloud cover are expected.

Preliminary point temps/pops

Chattanooga Airport, TN 78 56 75 57 / 0 0 0 20 Knoxville McGhee Tyson Airport, TN 78 53 76 56 / 0 0 0 0 Oak Ridge, TN 77 54 74 56 / 0 0 0 0 Tri Cities Airport, TN 76 48 72 51 / 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. Now47°Patchy Fog0%0 mph
  2. 6 AM47°Patchy Fog0%0 mph
  3. 7 AM47°Patchy Fog0%0 mph
  4. 8 AM47°Patchy Fog0%0 mph
  5. 9 AM49°Mostly Sunny0%5 mph
  6. 10 AM56°Mostly Sunny0%5 mph

Hourly details

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

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Sweetwater, TN 37874 right now?
The latest observation from Monroe County Airport was 46°F and clear, reported at 10/30/2026, 4:55 AM EDT.
What is the high temperature today in Sweetwater, TN 37874?
The National Weather Service forecast for friday calls for a high near 76°F. Patchy Fog then Mostly Sunny.
Will it rain in Sweetwater, TN 37874 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 Sweetwater, TN 37874 today?
Sunrise is about 7:58 AM EDT and sunset is about 6:44 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Sweetwater, TN 37874?
At Decatur 7ne, the 1991 to 2020 normal high in October is 73°F and the normal low is 46°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 (Great Smoky Mtns. Natl. Park - TN)
53ModeratePM2.5

UV index guide · Air quality

Drought

By county

Monroe County, week of 10/27/2026

100% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
7:58 AM
Sunset
6:44 PM
Daylight
10 hr 47 min
Moon
Waning Gibbous 81% lit
First light (civil dawn)
7:31 AM
Last light (civil dusk)
7:10 PM
Moonrise
10:34 PM
Moonset
1:02 PM

Normal October weather

Climate

Normal October high 73°, low 46°, precipitation 3.24 in for the month. 1991 to 2020 normals at Decatur 7ne, 13 mi away.

Other places nearby

Data sources

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About this data

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