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Portland, TN 37148 Weather

Today: Sunny, high 76°F, low 47°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Portland, TN 37148 current weather

75°F

Sunny

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

H 76° / L 47°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 11:31 AM PT

Hourly forecast

NWS, updated 10/28/2026, 11:31 AM PT

  1. Now75°
  2. 3 PM76°
  3. 4 PM75°
  4. 5 PM74°
  5. 6 PM70°
  6. 7 PM62°
  7. 8 PM59°
  8. 9 PM57°
  9. 10 PM55°
  10. 11 PM53°
  11. 12 AM51°Thu
  12. 1 AM50°
  13. 2 AM49°
  14. 3 AM49°
  15. 4 AM48°
  16. 5 AM48°
  17. 6 AM47°
  18. 7 AM47°
  19. 8 AM49°
  20. 9 AM55°
  21. 10 AM64°
  22. 11 AM68°
  23. 12 PM72°
  24. 1 PM74°
  25. 2 PM75°
  26. 3 PM76°
  27. 4 PM77°
  28. 5 PM74°
  29. 6 PM70°
  30. 7 PM66°
  31. 8 PM59°
  32. 9 PM58°
  33. 10 PM56°
  34. 11 PM55°
  35. 12 AM54°Fri
  36. 1 AM53°
  37. 2 AM52°
  38. 3 AM51°
  39. 4 AM50°
  40. 5 AM50°
  41. 6 AM49°
  42. 7 AM49°
  43. 8 AM51°
  44. 9 AM58°
  45. 10 AM66°
  46. 11 AM71°
  47. 12 PM74°
  48. 1 PM76°

10-day forecast

Tap a day for details

  • Today10/28Low 47°High 76°

    This Afternoon: Sunny, with a high near 76. South wind around 5 mph.

    Tonight: Clear, with a low around 47. South wind 0 to 5 mph.

    Sunny
  • Thu10/29Low 49°High 77°

    Thursday: Sunny, with a high near 77. South southwest wind 0 to 5 mph.

    Thursday Night: Mostly clear, with a low around 49. West wind around 0 mph.

    Sunny
  • Fri10/30Low 57°High 79°

    Friday: Patchy fog before 9am. Mostly sunny, with a high near 79. East northeast wind 0 to 5 mph.

    Friday Night: Mostly cloudy, with a low around 57. East wind around 5 mph.

    Patchy Fog then Mostly Sunny
  • Sat10/3135% chance of precipitationLow 56°High 76°

    Saturday: Cloudy, with a high near 76. South southeast wind around 5 mph.

    Saturday Night: A chance of rain showers after 1am. Cloudy, with a low around 56. Southeast wind around 5 mph. Chance of precipitation is 40%.

    Cloudy
  • Sun11/154% chance of precipitationLow 53°High 66°

    Sunday: A chance of rain showers. Cloudy, with a high near 66. Southeast wind around 5 mph. Chance of precipitation is 50%.

    Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.

    Chance Rain Showers
  • Mon11/215% chance of precipitationLow 55°High 72°

    Monday: A slight chance of rain showers before noon. Partly sunny, with a high near 72. Chance of precipitation is 20%.

    Monday Night: Mostly cloudy, with a low around 55.

    Slight Chance Rain Showers then Partly Sunny
  • Tue11/332% chance of precipitationLow 57°High 74°

    Tuesday: A chance of rain showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.

    Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 57.

    Chance Rain Showers
  • Wed11/4Model blend48% chance of precipitationLow 53°High 73°

    Wednesday: Chance of rain. High near 73°. Low that night near 53°. About 1.07 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Thu11/5Model blend35% chance of precipitationLow 46°High 71°

    Thursday: Chance of rain. High near 71°. Low that night near 46°. About 0.21 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend11% chance of precipitationLow 41°High 66°

    Friday: Partly cloudy. High near 66°. Low that night near 41°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 36.562, -86.484 from the NWS OHX office, updated 10/28/2026, 11:31 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KM33 (Gallatin/Sumner Cnty, 14 mi), model run 10/28/2026, 11:00 AM CDT

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. Now75°Sunny0%5 mph
  2. 3 PM76°Sunny0%5 mph
  3. 4 PM75°Sunny0%5 mph
  4. 5 PM74°Sunny0%5 mph
  5. 6 PM70°Clear0%0 mph
  6. 7 PM62°Clear0%0 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 (last 50 min) and GOES

Latest

Frequently asked questions

What is the high temperature today in Portland, TN 37148?
The National Weather Service forecast for this afternoon calls for a high near 76°F. Sunny.
Will it rain in Portland, TN 37148 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 is the 10-day forecast for Portland, TN 37148?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 4 to Nov 6) come from the NOAA National Blend of Models, with highs of 66°F to 73°F and up to a 48% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Portland, TN 37148 today?
Sunrise is about 7:05 AM CDT and sunset is about 5:53 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Portland, TN 37148?
At Portland Sewage Plt, the 1991 to 2020 normal high in October is 71°F and the normal low is 48°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 (Nashville)
52ModeratePM2.5
AQI forecast tomorrow (Nashville)
55ModeratePM2.5

UV index guide · Air quality

Drought

By county

Sumner County, week of 10/20/2026

100% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:05 AM
Sunset
5:53 PM
Daylight
10 hr 48 min
Moon
Waning Gibbous 92% lit
First light (civil dawn)
6:39 AM
Last light (civil dusk)
6:20 PM
Moonrise
7:27 PM
Moonset
10:02 AM

Normal October weather

Climate

Normal October high 71°, low 48°, precipitation 3.69 in for the month. 1991 to 2020 normals at Portland Sewage Plt, 3 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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