Jamestown, ND Weather & Growing Conditions
Today
73°F
Sunny
Sunny, with a high near 73. Northwest wind around 16 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 16 mph NW | 0% |
| Tonight | 50°F | Mostly Clear | 3 to 14 mph SW | 1% |
| Wednesday | 80°F | Sunny | 6 to 15 mph W | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 8 to 13 mph SW | 5% |
| Thursday | 85°F | Sunny | 9 to 14 mph W | 3% |
| Thursday Night | 59°F | Mostly Clear | 6 to 12 mph E | 3% |
| Friday | 83°F | Sunny | 8 to 15 mph NW | 3% |
| Friday Night | 57°F | Mostly Clear | 5 to 13 mph E | 4% |
| Saturday | 83°F | Mostly Sunny | 5 to 13 mph NE | 5% |
| Saturday Night | 58°F | Mostly Clear | 6 to 13 mph NE | 14% |
| Sunday | 81°F | Mostly Sunny | 6 to 13 mph NE | 14% |
| Sunday Night | 59°F | Partly Cloudy then Chance Showers And Thunderstorms | 13 mph NE | 28% |
| Monday | 79°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 28% |
| Monday Night | 58°F | Slight Chance Rain Showers | 7 to 14 mph NE | 18% |
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
4b
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 (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.