Glyndon, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glyndon, a city in Clay County, Minnesota.
Tonight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. North northeast wind around 9 mph.
7-day forecast for Glyndon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Cloudy | 9 mph NNE | 14% |
| Sunday | 68°F | Partly Sunny | 7 to 10 mph NE | 0% |
| Sunday Night | 49°F | Mostly Cloudy | 7 mph E | 0% |
| Monday | 66°F | Mostly Sunny | 7 mph ESE | 1% |
| Monday Night | 43°F | Mostly Clear | 7 mph SE | 1% |
| Tuesday | 67°F | Sunny | 6 to 12 mph SE | 0% |
| Tuesday Night | 45°F | Mostly Clear | 10 mph SSE | 0% |
| Wednesday | 69°F | Sunny | 12 to 20 mph SSE | 2% |
| Wednesday Night | 52°F | Partly Cloudy then Chance Rain Showers | 16 mph SSE | 34% |
| Thursday | 70°F | Chance Rain Showers | 12 to 16 mph SSE | 41% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 10 mph SSE | 24% |
| Friday | 75°F | Partly Sunny | 7 to 13 mph SSE | 7% |
| Friday Night | 58°F | Partly Cloudy | 15 mph SSE | 13% |
| Saturday | 73°F | Chance Rain Showers | 16 to 21 mph SSE | 33% |
Forecast source: National Weather Service (api.weather.gov) for Glyndon (46.871, -96.578). Updated through the day.
Growing snapshot for Glyndon
Last spring frost
May 5
First fall frost
Oct 3
Growing season
150 days
Hardiness zone
4a
More local growing data for Glyndon: nearby ZIP 56547 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Moorhead, Mn (9.2 mi from Glyndon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.