Harwood, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harwood, a city in Cass County, North Dakota.
Overnight
37°F
Chance Light Rain
A chance of rain. Cloudy. Low around 37, with temperatures rising to around 39 overnight. North northwest wind around 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Harwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Chance Light Rain | 18 mph NNW | 46% |
| Wednesday | 45°F | Chance Light Rain | 21 mph NNW | 46% |
| Wednesday Night | 30°F | Mostly Cloudy | 18 mph NNW | 1% |
| Thursday | 40°F | Mostly Cloudy | 9 to 17 mph N | 0% |
| Thursday Night | 21°F | Partly Cloudy | 1 to 7 mph ENE | 0% |
| Friday | 42°F | Mostly Sunny | 1 to 10 mph S | 0% |
| Friday Night | 25°F | Partly Cloudy | 9 mph S | 0% |
| Saturday | 53°F | Mostly Sunny | 9 to 14 mph SW | 4% |
| Saturday Night | 32°F | Partly Cloudy | 7 to 12 mph W | 0% |
| Sunday | 53°F | Sunny | 6 to 10 mph SW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 8 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 8 to 17 mph W | 1% |
| Monday Night | 32°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Tuesday | 51°F | Mostly Sunny | 5 to 8 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Harwood (46.977, -96.881). Updated through the day.
Growing snapshot for Harwood
Last spring frost
May 10
First fall frost
Sep 30
Growing season
143 days
Hardiness zone
4a
More local growing data for Harwood: nearby ZIP 58102 weather · frost dates · planting calendar · North Dakota frost dates
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Climate data from the nearest NOAA station, Fargo Hector Intl Ap, Nd (1.1 mi from Harwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.