Hillsboro, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillsboro, a city in Traill County, North Dakota.
Tonight
35°F
Chance Light Rain
A slight chance of drizzle before 10pm, then a chance of rain. Cloudy. Low around 35, with temperatures rising to around 38 overnight. North northwest wind 16 to 21 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hillsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Chance Light Rain | 16 to 21 mph NNW | 27% |
| Wednesday | 46°F | Slight Chance Light Rain then Cloudy | 24 mph N | 22% |
| Wednesday Night | 30°F | Mostly Cloudy | 16 to 21 mph N | 0% |
| Thursday | 39°F | Mostly Cloudy | 9 to 20 mph N | 0% |
| Thursday Night | 23°F | Partly Cloudy | 2 to 7 mph E | 0% |
| Friday | 43°F | Mostly Sunny | 2 to 13 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 9 mph S | 0% |
| Saturday | 54°F | Mostly Sunny | 9 to 15 mph WSW | 8% |
| Saturday Night | 32°F | Partly Cloudy | 8 to 12 mph WNW | 7% |
| Sunday | 53°F | Mostly Sunny | 8 to 12 mph SW | 1% |
| Sunday Night | 35°F | Partly Cloudy | 10 mph SSW | 1% |
| Monday | 56°F | Mostly Sunny | 12 to 21 mph W | 2% |
| Monday Night | 32°F | Mostly Clear | 6 to 13 mph W | 0% |
| Tuesday | 50°F | Mostly Sunny | 6 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Hillsboro (47.403, -97.063). Updated through the day.
Growing snapshot for Hillsboro
Last spring frost
May 2
First fall frost
Oct 9
Growing season
158 days
Hardiness zone
4a
More local growing data for Hillsboro: nearby ZIP 58045 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hillsboro 3 N, Nd (4.2 mi from Hillsboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.