Gregory, SD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Gregory, SD in one place.
Mostly sunny. High near 55, with temperatures falling to around 51 in the afternoon. Northwest wind 20 to 35 mph, with gusts as high as 50 mph.
Local Weather Overview
This forecast page for Gregory, 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: Oct 15, 2026 3:56 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Gregory, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:56 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Gregory
Wednesday looks like the warmest upcoming period in Gregory at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for This Afternoon at about 20 to 35 mph NW.
The forecast from Oct 15 through Oct 21 stays mostly dry.
Forecast Details
- Last updated
- Oct 15, 2026 3:56 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KLNX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 36. Northwest wind 30 to 35 mph, with gusts as high as 50 mph.
Mostly sunny, with a high near 48. North northwest wind 10 to 25 mph, with gusts as high as 40 mph.
Areas of frost between 10pm and midnight. Clear, with a low around 33. Southwest wind 0 to 20 mph, with gusts as high as 35 mph.
Sunny, with a high near 65. South southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Clear, with a low around 45. South southwest wind around 20 mph, with gusts as high as 35 mph.
Sunny, with a high near 67.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 64.
Mostly clear, with a low around 44.
Sunny, with a high near 69.
Mostly clear, with a low around 52.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Mostly Sunny
|
55°F |
20 to 35 mph
NW
|
|
Tonight
Oct 15
|
Mostly Cloudy
|
36°F |
30 to 35 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
48°F |
10 to 25 mph
NNW
|
|
Friday Night
Oct 16
|
Areas Of Frost then Clear
|
33°F |
0 to 20 mph
SW
|
|
Saturday
Oct 17
|
Sunny
|
65°F |
20 to 25 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
45°F |
20 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
10 to 20 mph
WNW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
39°F |
5 to 10 mph
N
|
|
Monday
Oct 19
|
Mostly Sunny
|
64°F |
5 to 10 mph
ENE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
44°F |
5 to 10 mph
SE
|
|
Tuesday
Oct 20
|
Sunny
|
69°F |
5 to 15 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
52°F |
15 mph
SSE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
73°F |
15 mph
S
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
53°F |
10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Gregory.
Nearby forecast pages are not available for this location yet.