Harman US

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
46°F
Partly Sunny
Partly sunny. High near 46, with temperatures falling to around 41 in the afternoon. North northwest wind 8 to 13 mph.

7-day forecast for Perth

WhenTempForecastWindPrecip
This Afternoon 46°F Partly Sunny 8 to 13 mph NNW 0%
Tonight 28°F Partly Cloudy 8 mph N 0%
Wednesday 48°F Mostly Sunny 8 to 13 mph N 0%
Wednesday Night 27°F Mostly Cloudy 10 to 14 mph N 0%
Thursday 38°F Partly Sunny 3 to 14 mph NE 0%
Thursday Night 23°F Partly Cloudy 3 to 9 mph SSE 0%
Friday 46°F Mostly Sunny 8 to 13 mph SSW 0%
Friday Night 30°F Partly Cloudy 7 to 10 mph SW 0%
Saturday 51°F Mostly Sunny 10 to 20 mph W 8%
Saturday Night 31°F Partly Cloudy 8 to 13 mph W 4%
Sunday 52°F Mostly Sunny 10 mph SW 0%
Sunday Night 36°F Partly Cloudy 10 to 17 mph SW 1%
Monday 52°F Mostly Sunny 16 to 25 mph W 0%
Monday Night 30°F Partly Cloudy 7 to 13 mph W 0%

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

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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 Nov 3, 2026.