Portland, AR Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, AR in one place.
Mostly sunny. High near 74, with temperatures falling to around 70 in the afternoon. North northwest wind 5 to 15 mph, with gusts as high as 30 mph.
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: Oct 15, 2026 1:44 PM CDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Portland, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 1:44 PM CDT
- Forecast office
- JAN
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Wednesday looks like the warmest upcoming period in Portland at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph NNW.
The forecast from Oct 16 through Oct 21 stays mostly dry.
Forecast Details
- Last updated
- Oct 15, 2026 1:44 PM 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
Mostly clear, with a low around 46. North wind 10 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Clear, with a low around 43. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny, with a high near 74. East northeast wind around 5 mph.
Clear, with a low around 45. East wind 0 to 5 mph.
Sunny, with a high near 78. East wind 0 to 5 mph.
Mostly clear, with a low around 50.
Sunny, with a high near 83.
Mostly clear, with a low around 52.
Sunny, with a high near 87.
Clear, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Mostly Sunny
|
74°F |
5 to 15 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
46°F |
10 to 15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
69°F |
10 to 15 mph
NNE
|
|
Saturday Night
Oct 17
|
Clear
|
43°F |
5 to 10 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
74°F |
5 mph
ENE
|
|
Sunday Night
Oct 18
|
Clear
|
45°F |
0 to 5 mph
E
|
|
Monday
Oct 19
|
Sunny
|
78°F |
0 to 5 mph
E
|
|
Monday Night
Oct 19
|
Mostly Clear
|
50°F |
0 to 5 mph
ENE
|
|
Tuesday
Oct 20
|
Sunny
|
83°F |
0 to 5 mph
ENE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
52°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
87°F |
0 to 5 mph
ENE
|
|
Wednesday Night
Oct 21
|
Clear
|
53°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.