Portland, TN Weather Forecast
Sumner County, Tennessee
Live radar, warnings and storm tracking for Portland, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Portland
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Portland, TN at a glance
Portland is home to about 13,578 people in Sumner County, across 15 square miles. It ranks 46th by population of 148 places in Tennessee with a forecast here. The nearest neighbour with its own forecast is Franklin, 9 miles away.
- County
- Sumner County
- Population
- 13,578 2023 est.
- Land area
- 15 sq mi
- People per sq mi
- 897
- Forecast point
- 36.5975°N, 86.5266°W
How well can the network see Portland?
The nearest Doppler radar is KOHX (Nashville, TN), to the S. Its lowest scan passes about 1,400 ft above Portland. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Portland show up clearly. Portland is closer to its radar than 79% of US cities.
The closest weather station is K1M5 (Portland Muni). Close enough that its readings are the conditions in town.
Forecasts near Portland
- Franklin, KY9 mi
- White House, TN12 mi
- Gallatin, TN15 mi
- Westmoreland, TN16 mi
- Millersville, TN17 mi
- Greenbrier, TN19 mi
- Hendersonville, TN20 mi
- Springfield, TN20 mi
Elsewhere in Tennessee
NashvilleMemphisKnoxvilleChattanoogaClarksvilleMurfreesboroAll Tennessee forecasts →