Knox, ND Weather & Growing Conditions
Today
70°F
Sunny
Sunny, with a high near 70. West northwest wind 12 to 17 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 12 to 17 mph WNW | 0% |
| Tonight | 48°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Wednesday | 79°F | Mostly Sunny | 8 to 20 mph WSW | 2% |
| Wednesday Night | 53°F | Slight Chance Showers And Thunderstorms | 7 to 17 mph WSW | 15% |
| Thursday | 82°F | Sunny | 7 to 15 mph W | 3% |
| Thursday Night | 55°F | Mostly Clear | 6 to 14 mph W | 1% |
| Friday | 79°F | Sunny | 8 to 13 mph NW | 0% |
| Friday Night | 53°F | Mostly Clear | 5 to 13 mph NNE | 5% |
| Saturday | 79°F | Mostly Sunny | 5 to 12 mph NE | 5% |
| Saturday Night | 53°F | Mostly Clear | 7 to 13 mph NE | 10% |
| Sunday | 76°F | Mostly Sunny | 7 to 12 mph NE | 10% |
| Sunday Night | 55°F | Chance Rain Showers | 13 mph ENE | 34% |
| Monday | 76°F | Chance Rain Showers | 9 to 13 mph NE | 34% |
| Monday Night | 54°F | Slight Chance Rain Showers | 8 to 12 mph ENE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Knox, ND
Last spring frost
May 11
First fall frost
Sep 28
Growing season
138 days
Hardiness zone
4a
Explore more for Knox, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Esmond 9 Nnw, Nd (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.