Harman US

Grenora, ND Weather & Growing Conditions

Overnight
55°F
Patchy Drizzle
Patchy drizzle and patchy fog before 4am, then patchy fog and a slight chance of drizzle. Cloudy. Low around 55, with temperatures rising to around 57 overnight. Northeast wind 5 to 9 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 55°F Patchy Drizzle 5 to 9 mph NE 22%
Saturday 65°F Patchy Fog then Mostly Cloudy 13 to 18 mph NE 11%
Saturday Night 48°F Mostly Cloudy 12 to 17 mph E 12%
Sunday 62°F Mostly Cloudy 15 mph SE 13%
Sunday Night 46°F Partly Cloudy 7 to 12 mph SE 1%
Monday 69°F Mostly Sunny 7 to 18 mph SE 1%
Monday Night 50°F Mostly Clear 16 mph SE 1%
Tuesday 73°F Mostly Sunny 15 to 24 mph SE 1%
Tuesday Night 53°F Mostly Clear 14 to 20 mph SE 1%
Wednesday 77°F Mostly Sunny 15 mph SE 4%
Wednesday Night 54°F Mostly Clear then Slight Chance Rain Showers 12 mph SE 15%
Thursday 79°F Slight Chance Rain Showers then Mostly Sunny 8 to 15 mph SE 15%
Thursday Night 55°F Mostly Clear 13 mph SE 4%
Friday 78°F Mostly Sunny 12 to 22 mph SE 5%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Grenora, ND

Last spring frost
May 19
First fall frost
Sep 17
Growing season
121 days
Hardiness zone
4a

Explore more for Grenora, ND: full frost dates · planting calendar · North Dakota frost dates

Climate data from the nearest NOAA station, Fortuna 1 W, Nd (21.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.