Jamestown, ND Weather & Growing Conditions
Overnight
51°F
Clear
Clear, with a low around 51. West wind around 10 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Clear | 10 mph W | 0% |
| Tuesday | 73°F | Sunny | 10 to 15 mph W | 0% |
| Tuesday Night | 50°F | Mostly Clear | 3 to 13 mph SW | 1% |
| Wednesday | 80°F | Sunny | 5 to 14 mph W | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 7 to 13 mph SW | 4% |
| Thursday | 85°F | Sunny | 8 to 13 mph W | 3% |
| Thursday Night | 59°F | Mostly Clear | 6 to 9 mph NE | 3% |
| Friday | 83°F | Sunny | 8 to 14 mph NW | 3% |
| Friday Night | 57°F | Mostly Clear | 5 to 13 mph E | 4% |
| Saturday | 83°F | Mostly Sunny | 5 to 12 mph NE | 5% |
| Saturday Night | 58°F | Mostly Clear then Slight Chance Rain Showers | 6 to 12 mph NE | 15% |
| Sunday | 81°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 13 mph NE | 15% |
| Sunday Night | 59°F | Partly Cloudy then Chance Showers And Thunderstorms | 12 mph NE | 28% |
| Monday | 79°F | Chance Showers And Thunderstorms | 8 to 14 mph NE | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jamestown, ND
Last spring frost
May 8
First fall frost
Sep 29
Growing season
143 days
Hardiness zone
4a
Explore more for Jamestown, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Jamestown State Hosp, Nd (0.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.