Perth, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Perth, a city in Towner County, North Dakota.
This Afternoon
71°F
Mostly Cloudy
Mostly cloudy, with a high near 71. South wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Perth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Cloudy | 10 mph S | 12% |
| Tonight | 52°F | Mostly Cloudy then Patchy Fog | 3 to 9 mph S | 14% |
| Saturday | 65°F | Patchy Fog then Mostly Cloudy | 2 to 15 mph NNE | 18% |
| Saturday Night | 43°F | Mostly Cloudy | 9 to 14 mph NE | 0% |
| Sunday | 63°F | Mostly Cloudy | 9 mph ENE | 2% |
| Sunday Night | 41°F | Partly Cloudy | 6 mph ESE | 2% |
| Monday | 66°F | Sunny | 3 to 10 mph SE | 1% |
| Monday Night | 43°F | Mostly Clear | 9 mph SSE | 0% |
| Tuesday | 66°F | Mostly Sunny | 9 to 21 mph SSE | 1% |
| Tuesday Night | 49°F | Partly Cloudy | 16 mph SSE | 5% |
| Wednesday | 68°F | Partly Sunny | 14 to 18 mph SSE | 12% |
| Wednesday Night | 52°F | Partly Cloudy | 10 to 15 mph S | 13% |
| Thursday | 71°F | Mostly Sunny | 9 to 13 mph S | 10% |
| Thursday Night | 52°F | Mostly Clear | 9 mph SSE | 9% |
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 Sep 19, 2026.