Voltaire, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Voltaire, a city in Mchenry County, North Dakota.
Overnight
27°F
Patchy Fog
Patchy fog. Mostly cloudy. Low around 27, with temperatures rising to around 29 overnight. Northwest wind around 5 mph.
7-day forecast for Voltaire
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 27°F | Patchy Fog | 5 mph NW | 0% |
| Wednesday | 50°F | Patchy Fog then Mostly Sunny | 5 to 12 mph NW | 0% |
| Wednesday Night | 24°F | Partly Cloudy | 3 to 8 mph N | 0% |
| Thursday | 41°F | Partly Sunny | 5 mph E | 0% |
| Thursday Night | 24°F | Partly Cloudy | 3 to 8 mph S | 0% |
| Friday | 53°F | Mostly Sunny | 10 mph SW | 0% |
| Friday Night | 32°F | Mostly Clear | 7 to 10 mph SW | 0% |
| Saturday | 56°F | Mostly Sunny | 12 to 20 mph W | 0% |
| Saturday Night | 30°F | Mostly Clear | 5 to 10 mph W | 0% |
| Sunday | 57°F | Sunny | 5 to 12 mph SW | 0% |
| Sunday Night | 39°F | Partly Cloudy | 8 to 13 mph SW | 0% |
| Monday | 57°F | Mostly Sunny | 10 to 18 mph W | 0% |
| Monday Night | 31°F | Mostly Clear | 5 to 8 mph W | 1% |
| Tuesday | 54°F | Mostly Sunny | 5 to 8 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Voltaire (48.019, -100.844). Updated through the day.
Growing snapshot for Voltaire
Last spring frost
May 22
First fall frost
Sep 22
Growing season
123 days
Hardiness zone
4a
More local growing data for Voltaire: nearby ZIP 58790 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Velva, Nd (2.1 mi from Voltaire). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.