Voltaire, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Voltaire, a city in Mchenry County, North Dakota.
This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 46 in the afternoon. North wind around 10 mph, with gusts as high as 22 mph.
7-day forecast for Voltaire
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 10 mph N | 0% |
| Tonight | 25°F | Partly Cloudy then Patchy Fog | 5 to 8 mph N | 0% |
| Thursday | 41°F | Patchy Fog then Partly Sunny | 5 mph E | 0% |
| Thursday Night | 24°F | Partly Cloudy | 5 to 9 mph S | 0% |
| Friday | 52°F | Mostly Sunny | 10 mph SW | 0% |
| Friday Night | 32°F | Mostly Clear | 7 to 12 mph SW | 0% |
| Saturday | 57°F | Mostly Sunny | 10 to 18 mph W | 0% |
| Saturday Night | 30°F | Mostly Clear | 5 to 8 mph W | 0% |
| Sunday | 59°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Sunday Night | 40°F | Partly Cloudy | 13 mph SW | 0% |
| Monday | 57°F | Sunny | 10 to 18 mph W | 0% |
| Monday Night | 31°F | Partly Cloudy | 8 mph W | 1% |
| Tuesday | 55°F | Mostly Sunny | 5 to 9 mph SW | 1% |
| Tuesday Night | 33°F | Partly Cloudy | 6 mph S | 0% |
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.