Jamestown, ND Weather & Growing Conditions
This Afternoon
46°F
Slight Chance Drizzle
A slight chance of drizzle before 3pm. Mostly cloudy. High near 46, with temperatures falling to around 43 in the afternoon. North wind 16 to 20 mph, with gusts as high as 29 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 46°F | Slight Chance Drizzle | 16 to 20 mph N | 10% |
| Tonight | 32°F | Mostly Cloudy | 10 to 15 mph N | 0% |
| Wednesday | 46°F | Mostly Cloudy | 15 to 18 mph N | 0% |
| Wednesday Night | 30°F | Mostly Cloudy | 12 to 15 mph N | 0% |
| Thursday | 40°F | Partly Sunny | 5 to 14 mph N | 0% |
| Thursday Night | 25°F | Mostly Cloudy | 3 mph SE | 3% |
| Friday | 45°F | Mostly Sunny | 3 to 8 mph S | 0% |
| Friday Night | 30°F | Partly Cloudy | 6 mph SW | 0% |
| Saturday | 54°F | Mostly Sunny | 7 to 16 mph W | 4% |
| Saturday Night | 33°F | Partly Cloudy | 6 to 10 mph W | 3% |
| Sunday | 55°F | Mostly Sunny | 6 to 10 mph SW | 1% |
| Sunday Night | 37°F | Partly Cloudy | 10 mph SW | 0% |
| Monday | 56°F | Mostly Sunny | 12 to 21 mph W | 0% |
| Monday Night | 33°F | Partly Cloudy | 6 to 9 mph W | 0% |
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 Nov 3, 2026.