Porcupine, SD Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Porcupine, SD in one place.
Rain showers before 1pm. Mostly cloudy. High near 55, with temperatures falling to around 53 in the afternoon. North wind 6 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 100%.
Local Weather Overview
This forecast page for Porcupine, 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 14, 2026 3:04 PM MDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Porcupine, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 3:04 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Porcupine
Saturday looks like the warmest upcoming period in Porcupine at 75 degrees F.
Thursday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Thursday at about 6 to 26 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 14, 2026 3:04 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Widespread frost after 5am. Mostly clear. Low around 29, with temperatures rising to around 31 overnight. Northwest wind 14 to 26 mph, with gusts as high as 43 mph.
Widespread frost before 10am. Sunny, with a high near 52. West wind 7 to 12 mph, with gusts as high as 20 mph.
Clear. Low around 37, with temperatures rising to around 39 overnight. South wind 9 to 24 mph, with gusts as high as 35 mph.
Sunny, with a high near 75.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 40.
Sunny, with a high near 73.
Clear, with a low around 48.
Sunny, with a high near 75.
Mostly clear, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Rain Showers
|
55°F |
6 to 26 mph
N
|
|
Thursday Night
Oct 15
|
Mostly Clear then Widespread Frost
|
29°F |
14 to 26 mph
NW
|
|
Friday
Oct 16
|
Widespread Frost then Sunny
|
52°F |
7 to 12 mph
W
|
|
Friday Night
Oct 16
|
Clear
|
37°F |
9 to 24 mph
S
|
|
Saturday
Oct 17
|
Sunny
|
75°F |
15 to 24 mph
SW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
46°F |
12 to 17 mph
SW
|
|
Sunday
Oct 18
|
Mostly Sunny
|
70°F |
10 to 18 mph
NW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
40°F |
5 to 9 mph
E
|
|
Monday
Oct 19
|
Sunny
|
73°F |
6 to 16 mph
S
|
|
Monday Night
Oct 19
|
Clear
|
48°F |
14 to 21 mph
S
|
|
Tuesday
Oct 20
|
Sunny
|
75°F |
16 to 20 mph
S
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
47°F |
15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Porcupine.