Napoleon, ND Weather & Growing Conditions
Today
73°F
Patchy Smoke then Sunny
Patchy smoke before 7am. Sunny, with a high near 73. West wind 6 to 17 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Smoke then Sunny | 6 to 17 mph W | 0% |
| Tonight | 50°F | Mostly Clear | 3 to 14 mph SW | 1% |
| Wednesday | 80°F | Sunny | 6 to 14 mph SW | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 7 to 12 mph SW | 1% |
| Thursday | 85°F | Sunny | 9 to 13 mph SW | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 to 12 mph E | 0% |
| Friday | 84°F | Sunny | 12 to 15 mph NW | 0% |
| Friday Night | 59°F | Mostly Clear | 8 to 12 mph E | 2% |
| Saturday | 86°F | Mostly Sunny | 12 to 15 mph E | 3% |
| Saturday Night | 58°F | Mostly Clear | 14 mph E | 4% |
| Sunday | 84°F | Mostly Sunny | 12 to 15 mph E | 9% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 15 mph E | 29% |
| Monday | 81°F | Chance Rain Showers | 17 mph NE | 29% |
| Monday Night | 59°F | Slight Chance Rain Showers | 13 to 16 mph E | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Napoleon, ND
Last spring frost
May 13
First fall frost
Sep 28
Growing season
136 days
Hardiness zone
4a
Explore more for Napoleon, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Napoleon, Nd (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.