Voltaire, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Voltaire, a city in Mchenry County, North Dakota.
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 71 in the afternoon. West wind 9 to 18 mph, with gusts as high as 29 mph.
7-day forecast for Voltaire
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 9 to 18 mph W | 0% |
| Tonight | 50°F | Mostly Clear | 3 to 16 mph W | 0% |
| Wednesday | 82°F | Mostly Sunny | 12 to 21 mph SW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 7 to 18 mph SW | 8% |
| Thursday | 85°F | Sunny | 8 to 16 mph W | 3% |
| Thursday Night | 56°F | Mostly Clear | 6 to 16 mph W | 1% |
| Friday | 82°F | Sunny | 8 to 14 mph NW | 0% |
| Friday Night | 54°F | Mostly Clear | 5 to 12 mph NE | 5% |
| Saturday | 83°F | Mostly Sunny | 5 to 13 mph NE | 5% |
| Saturday Night | 55°F | Mostly Clear | 5 to 14 mph NE | 12% |
| Sunday | 80°F | Mostly Sunny | 5 to 14 mph NE | 12% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms | 9 to 15 mph NE | 32% |
| Monday | 78°F | Chance Showers And Thunderstorms | 8 to 14 mph NE | 32% |
| Monday Night | 55°F | Chance Rain Showers | 7 to 15 mph E | 25% |
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 Aug 4, 2026.