Harrisburg, SD Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Harrisburg, SD in one place.
Clear, with a low around 68. South southeast wind 5 to 10 mph.
Local Weather Overview
This forecast page for Harrisburg, SD 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 14, 2026 8:46 PM CDT.
The active forecast window currently covers Jul 14 to Jul 21, 2026 for Harrisburg, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 8:46 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrisburg
Sunday looks like the warmest upcoming period in Harrisburg at 99 degrees F.
Tonight is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Monday at about 5 to 20 mph NNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 8:46 PM CDT
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 92. South southeast wind 0 to 10 mph.
Mostly clear, with a low around 70. Southeast wind 5 to 10 mph.
Sunny, with a high near 93. South wind 5 to 10 mph.
Clear, with a low around 74. South southeast wind 5 to 15 mph.
Sunny, with a high near 98. South wind 5 to 10 mph.
Mostly clear, with a low around 74.
Sunny, with a high near 97.
Mostly clear, with a low around 72.
Mostly sunny, with a high near 99.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93.
Partly cloudy, with a low around 68.
Mostly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Jul 14
|
Clear
|
68°F |
5 to 10 mph
SSE
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
0 to 10 mph
SSE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
5 to 10 mph
SE
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
5 to 10 mph
S
|
|
Thursday Night
Jul 16
|
Clear
|
74°F |
5 to 15 mph
SSE
|
|
Friday
Jul 17
|
Sunny
|
98°F |
5 to 10 mph
S
|
|
Friday Night
Jul 17
|
Mostly Clear
|
74°F |
5 to 10 mph
SSE
|
|
Saturday
Jul 18
|
Sunny
|
97°F |
5 to 10 mph
NE
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
72°F |
5 to 10 mph
E
|
|
Sunday
Jul 19
|
Mostly Sunny
|
99°F |
5 to 10 mph
SSE
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
73°F |
5 to 10 mph
E
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
93°F |
5 to 20 mph
NNW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
68°F |
5 to 20 mph
N
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
87°F |
10 to 15 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrisburg.