Harrisburg, AR Weather Forecast
Local 7-day forecast
Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Harrisburg, AR in one place.
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 93. Heat index values as high as 106. West southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Harrisburg, 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: Jul 18, 2026 1:29 AM CDT.
The active forecast window currently covers Jul 18 to Jul 24, 2026 for Harrisburg, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 1:29 AM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrisburg
Tuesday looks like the warmest upcoming period in Harrisburg at 98 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph NNE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 18, 2026 1:29 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MEG
- Radar station
- KNQA
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 75. Heat index values as high as 103. West southwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 93. Heat index values as high as 107. West wind 0 to 5 mph.
Mostly clear, with a low around 75. West southwest wind around 0 mph.
Sunny, with a high near 95. West southwest wind 0 to 5 mph.
Mostly clear, with a low around 77. South southwest wind 0 to 5 mph.
Sunny, with a high near 98. West southwest wind around 5 mph.
Mostly clear, with a low around 77.
Sunny, with a high near 91.
Mostly clear, with a low around 69.
Sunny, with a high near 88.
Mostly clear, with a low around 70.
Mostly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
5 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
75°F |
0 to 5 mph
WSW
|
|
Sunday
Jul 19
|
Sunny
|
93°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
75°F |
0 mph
|
|
Monday
Jul 20
|
Sunny
|
95°F |
0 to 5 mph
WSW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
77°F |
0 to 5 mph
SSW
|
|
Tuesday
Jul 21
|
Sunny
|
98°F |
5 mph
WSW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
77°F |
5 mph
WNW
|
|
Wednesday
Jul 22
|
Sunny
|
91°F |
5 to 10 mph
NNE
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
69°F |
5 mph
NE
|
|
Thursday
Jul 23
|
Sunny
|
88°F |
5 mph
NE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
70°F |
0 to 5 mph
ENE
|
|
Friday
Jul 24
|
Mostly Sunny
|
87°F |
5 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrisburg.
