Knox, ND Weather & Growing Conditions
This Afternoon
50°F
Mostly Sunny
Mostly sunny. High near 50, with temperatures falling to around 45 in the afternoon. North wind around 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Mostly Sunny | 13 mph N | 0% |
| Tonight | 28°F | Mostly Cloudy then Patchy Fog | 12 mph N | 0% |
| Thursday | 39°F | Patchy Fog then Mostly Cloudy | 3 to 12 mph ENE | 0% |
| Thursday Night | 23°F | Partly Cloudy | 3 to 8 mph SSE | 0% |
| Friday | 48°F | Mostly Sunny | 8 to 12 mph SSW | 0% |
| Friday Night | 30°F | Partly Cloudy | 8 mph SSW | 0% |
| Saturday | 53°F | Mostly Sunny | 9 to 20 mph WSW | 2% |
| Saturday Night | 30°F | Partly Cloudy | 6 to 14 mph W | 0% |
| Sunday | 53°F | Sunny | 6 to 10 mph SW | 0% |
| Sunday Night | 36°F | Partly Cloudy | 12 mph SW | 0% |
| Monday | 53°F | Mostly Sunny | 13 to 21 mph WNW | 1% |
| Monday Night | 30°F | Partly Cloudy | 5 to 10 mph WNW | 0% |
| Tuesday | 50°F | Mostly Sunny | 5 to 9 mph WSW | 1% |
| Tuesday Night | 31°F | Partly Cloudy | 6 mph SSW | 2% |
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 Nov 4, 2026.