Langdon, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Langdon, a city in Cavalier County, North Dakota.
Today
68°F
Sunny
Sunny, with a high near 68. West northwest wind around 16 mph.
7-day forecast for Langdon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Sunny | 16 mph WNW | 0% |
| Tonight | 49°F | Mostly Clear | 6 to 14 mph WSW | 0% |
| Wednesday | 77°F | Mostly Sunny | 12 to 20 mph SW | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 9 to 15 mph WSW | 10% |
| Thursday | 79°F | Sunny | 9 to 17 mph W | 2% |
| Thursday Night | 56°F | Mostly Clear | 8 to 14 mph W | 4% |
| Friday | 76°F | Sunny | 8 to 15 mph NW | 4% |
| Friday Night | 53°F | Partly Cloudy | 5 to 13 mph N | 6% |
| Saturday | 77°F | Mostly Sunny | 5 to 13 mph NNW | 6% |
| Saturday Night | 54°F | Mostly Clear | 6 to 12 mph N | 11% |
| Sunday | 74°F | Mostly Sunny | 6 to 10 mph N | 11% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 6 to 9 mph NNE | 24% |
| Monday | 74°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 10 mph NNE | 24% |
| Monday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 6 to 9 mph NNE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Langdon (48.762, -98.375). Updated through the day.
Growing snapshot for Langdon
Last spring frost
May 17
First fall frost
Sep 26
Growing season
132 days
Hardiness zone
3b
More local growing data for Langdon: nearby ZIP 58249 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Langdon Exp Farm, Nd (4.3 mi from Langdon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.