Jamestown, ND Weather & Growing Conditions
Today
73°F
Sunny
Sunny, with a high near 73. Northwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 15 mph NW | 0% |
| Tonight | 50°F | Mostly Clear | 3 to 13 mph SW | 1% |
| Wednesday | 80°F | Mostly Sunny | 5 to 14 mph SW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 7 to 13 mph SW | 5% |
| Thursday | 85°F | Sunny | 8 to 13 mph W | 3% |
| Thursday Night | 59°F | Mostly Clear | 6 to 9 mph SE | 3% |
| Friday | 84°F | Sunny | 7 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 13 mph NE | 28% |
| Monday Night | 58°F | Slight Chance Rain Showers | 7 to 13 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jamestown, ND
Last spring frost
May 11
First fall frost
Sep 28
Growing season
138 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 Muni Ap, Nd (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.