Perth, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Perth, a city in Towner County, North Dakota.
Today
69°F
Mostly Sunny
Mostly sunny, with a high near 69. West northwest wind 10 to 16 mph.
7-day forecast for Perth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Sunny | 10 to 16 mph WNW | 0% |
| Tonight | 48°F | Mostly Clear | 6 to 14 mph WSW | 0% |
| Wednesday | 78°F | Mostly Sunny | 10 to 18 mph WSW | 7% |
| Wednesday Night | 53°F | Partly Cloudy | 8 to 16 mph WSW | 13% |
| Thursday | 81°F | Sunny | 9 to 16 mph W | 2% |
| Thursday Night | 55°F | Mostly Clear | 7 to 14 mph NW | 1% |
| Friday | 77°F | Sunny | 9 to 13 mph NW | 1% |
| Friday Night | 53°F | Mostly Clear | 5 to 10 mph NNE | 6% |
| Saturday | 77°F | Mostly Sunny | 5 to 10 mph N | 6% |
| Saturday Night | 53°F | Mostly Clear | 6 to 10 mph NNE | 11% |
| Sunday | 75°F | Mostly Sunny | 6 to 10 mph N | 11% |
| Sunday Night | 54°F | Chance Rain Showers | 7 to 10 mph NE | 29% |
| Monday | 75°F | Chance Rain Showers then Mostly Sunny | 7 to 10 mph NE | 29% |
| Monday Night | 54°F | Slight Chance Rain Showers | 7 to 10 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Perth (48.715, -99.458). Updated through the day.
Growing snapshot for Perth
Last spring frost
May 20
First fall frost
Sep 26
Growing season
128 days
Hardiness zone
3b
More local growing data for Perth: nearby ZIP 58363 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rolla 1Ne, Nd (9.5 mi from Perth). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.