Perth, ND Weather & Growing Conditions
Today
69°F
Mostly Sunny
Mostly sunny, with a high near 69. West northwest wind 12 to 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Sunny | 12 to 16 mph WNW | 0% |
| Tonight | 48°F | Mostly Clear | 7 to 14 mph WSW | 0% |
| Wednesday | 78°F | Mostly Sunny | 10 to 18 mph WSW | 7% |
| Wednesday Night | 53°F | Partly Cloudy | 9 to 16 mph WSW | 13% |
| Thursday | 80°F | Sunny | 9 to 16 mph W | 2% |
| Thursday Night | 55°F | Mostly Clear | 8 to 14 mph NW | 2% |
| Friday | 77°F | Sunny | 9 to 13 mph NW | 2% |
| Friday Night | 52°F | Partly Cloudy | 5 to 10 mph N | 6% |
| Saturday | 77°F | Mostly Sunny | 5 to 10 mph N | 6% |
| Saturday Night | 52°F | Mostly Clear | 6 to 10 mph NNE | 11% |
| Sunday | 75°F | Mostly Sunny | 6 to 9 mph N | 11% |
| Sunday Night | 54°F | Chance Rain Showers | 6 to 10 mph NE | 29% |
| Monday | 75°F | Chance Rain Showers then Partly Sunny | 7 to 10 mph NE | 29% |
| Monday Night | 54°F | Slight Chance Rain Showers | 6 to 9 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Perth, ND
Last spring frost
May 20
First fall frost
Sep 26
Growing season
128 days
Hardiness zone
3b
Explore more for Perth, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Rolla 1Ne, Nd (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.