Portland, TN Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, TN in one place.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and thunderstorms likely between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Northeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Portland, TN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 11:50 AM CDT.
The active forecast window currently covers May 25 to May 30, 2026 for Portland, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 11:50 AM CDT
- Forecast office
- OHX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Thursday looks like the warmest upcoming period in Portland at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Friday Night at about 10 mph ENE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 11:50 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- OHX
- Radar station
- KOHX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. East southeast wind around 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms. Mostly cloudy, with a high near 80. South wind around 5 mph. Chance of precipitation is 90%.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 90%.
Showers and thunderstorms likely. Partly sunny, with a high near 82. South southwest wind around 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 66. South southwest wind 0 to 5 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 83. West southwest wind around 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
A chance of rain showers before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Chance Showers And Thunderstorms
|
76°F |
0 to 5 mph
NE
|
|
Monday Night
May 25
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
65°F |
5 mph
ESE
|
|
Tuesday
May 26
|
Showers And Thunderstorms
|
80°F |
5 mph
S
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
66°F |
5 mph
S
|
|
Wednesday
May 27
|
Showers And Thunderstorms Likely
|
82°F |
5 mph
SSW
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
SSW
|
|
Thursday
May 28
|
Chance Showers And Thunderstorms
|
83°F |
5 mph
WSW
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
67°F |
0 mph
|
|
Friday
May 29
|
Showers And Thunderstorms Likely
|
80°F |
5 mph
ENE
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely
|
62°F |
10 mph
ENE
|
|
Saturday
May 30
|
Chance Rain Showers
|
77°F |
10 mph
ENE
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms
|
60°F |
5 to 10 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.
