Porcupine, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porcupine, a community in Grant County, North Dakota.
Today
76°F
Sunny
Sunny, with a high near 76. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.
7-day forecast for Porcupine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 6 to 14 mph NW | 0% |
| Tonight | 49°F | Mostly Clear | 2 to 12 mph SW | 0% |
| Wednesday | 85°F | Sunny | 3 to 10 mph SW | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 5 to 9 mph SW | 1% |
| Thursday | 91°F | Sunny | 5 to 12 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 3 to 10 mph E | 0% |
| Friday | 90°F | Sunny | 8 to 13 mph N | 0% |
| Friday Night | 58°F | Mostly Clear | 7 to 10 mph E | 0% |
| Saturday | 93°F | Sunny | 7 to 13 mph NE | 2% |
| Saturday Night | 58°F | Mostly Clear | 7 to 14 mph NE | 2% |
| Sunday | 90°F | Mostly Sunny | 7 to 16 mph E | 10% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 29% |
| Monday | 86°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 29% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 9 to 16 mph NE | 26% |
Forecast source: National Weather Service (api.weather.gov) for Porcupine (46.222, -101.100). Updated through the day.
Growing snapshot for Porcupine
Last spring frost
May 13
First fall frost
Sep 27
Growing season
135 days
Hardiness zone
4a
More local growing data for Porcupine: nearby ZIP 58569 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Flasher, Nd (13.1 mi from Porcupine). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.