Portland, AR Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, AR in one place.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Portland, AR 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: Apr 15, 2026 3:21 AM CDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Portland, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:21 AM CDT
- Forecast office
- JAN
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Friday looks like the warmest upcoming period in Portland at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:21 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- JAN
- Radar station
- KDGX
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. Mostly clear, with a low around 65. South southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 50. North northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
A chance of rain showers before 7am. Mostly sunny, with a high near 71. Chance of precipitation is 50%.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
10 to 15 mph
SSW
|
|
Thursday Night
Apr 16
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
65°F |
5 to 10 mph
SSW
|
|
Friday
Apr 17
|
Sunny
|
89°F |
5 to 15 mph
SSW
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
65°F |
10 mph
S
|
|
Saturday
Apr 18
|
Partly Sunny then Chance Showers And Thunderstorms
|
83°F |
10 to 15 mph
SW
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
50°F |
10 mph
NNW
|
|
Sunday
Apr 19
|
Chance Rain Showers then Mostly Sunny
|
71°F |
10 to 15 mph
NNE
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
46°F |
5 to 10 mph
NE
|
|
Monday
Apr 20
|
Mostly Sunny
|
73°F |
5 to 10 mph
ENE
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
50°F |
5 mph
E
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
78°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.