Grenville, SD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grenville, SD in one place.
Mostly sunny, with a high near 66. Southeast wind 6 to 9 mph.
Local Weather Overview
This forecast page for Grenville, 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: Apr 14, 2026 12:35 AM CDT.
The active forecast window currently covers Apr 15 to Apr 20, 2026 for Grenville, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 12:35 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Grenville
Thursday looks like the warmest upcoming period in Grenville at 74 degrees F.
Saturday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Friday at about 20 to 28 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 12:35 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 45. South southeast wind around 10 mph.
Sunny, with a high near 74. South wind 10 to 16 mph, with gusts as high as 26 mph.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 44. South southeast wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
A chance of rain showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 49. West wind 20 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
A chance of rain and snow showers. Mostly cloudy, with a low around 25. Northwest wind 22 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.
Mostly cloudy, with a low around 23.
Sunny, with a high near 50.
Mostly clear, with a low around 36.
Sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Mostly Sunny
|
66°F |
6 to 9 mph
SE
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
45°F |
10 mph
SSE
|
|
Thursday
Apr 16
|
Sunny
|
74°F |
10 to 16 mph
S
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
44°F |
15 to 20 mph
SSE
|
|
Friday
Apr 17
|
Chance Rain Showers then Chance Rain And Snow Showers
|
49°F |
20 to 28 mph
W
|
|
Friday Night
Apr 17
|
Chance Rain And Snow Showers
|
25°F |
22 to 28 mph
NW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers
|
42°F |
23 to 28 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Cloudy
|
23°F |
9 to 26 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
50°F |
9 to 14 mph
W
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
36°F |
13 to 16 mph
SSE
|
|
Monday
Apr 20
|
Sunny
|
65°F |
16 to 21 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grenville.