Jamestown, ND Weather & Growing Conditions
Today
66°F
Areas Of Fog
Areas of fog before 1pm. Cloudy, with a high near 66. Northeast wind 6 to 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Areas Of Fog | 6 to 12 mph NE | 9% |
| Tonight | 48°F | Cloudy | 13 mph NE | 14% |
| Sunday | 65°F | Mostly Cloudy | 12 mph NE | 2% |
| Sunday Night | 45°F | Mostly Cloudy | 3 to 9 mph E | 3% |
| Monday | 68°F | Mostly Sunny | 3 to 9 mph SE | 3% |
| Monday Night | 43°F | Mostly Clear | 7 mph SE | 1% |
| Tuesday | 68°F | Mostly Sunny | 6 to 18 mph SE | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 15 mph SE | 5% |
| Wednesday | 70°F | Partly Sunny | 15 to 20 mph SE | 10% |
| Wednesday Night | 51°F | Slight Chance Rain Showers | 10 to 15 mph SE | 24% |
| Thursday | 72°F | Slight Chance Rain Showers then Partly Sunny | 9 to 13 mph SE | 24% |
| Thursday Night | 52°F | Partly Cloudy | 8 to 12 mph S | 12% |
| Friday | 73°F | Partly Sunny | 8 to 18 mph S | 10% |
| Friday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 16 mph S | 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 Sep 19, 2026.