Jasper, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jasper, a city in Rock County, Minnesota.
Tonight
39°F
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 39. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Jasper
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Rain Showers Likely | 15 mph NNW | 62% |
| Wednesday | 44°F | Rain Showers | 15 mph NW | 77% |
| Wednesday Night | 36°F | Rain Showers Likely then Cloudy | 10 to 15 mph NNW | 56% |
| Thursday | 44°F | Mostly Cloudy | 10 to 15 mph N | 0% |
| Thursday Night | 29°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 44°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 28°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 50°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph WNW | 5% |
| Sunday | 56°F | Sunny | 5 to 10 mph WSW | 3% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SSW | 1% |
| Monday | 59°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Jasper (43.849, -96.400). Updated through the day.
Growing snapshot for Jasper
Last spring frost
May 4
First fall frost
Oct 2
Growing season
152 days
Hardiness zone
4b
More local growing data for Jasper: nearby ZIP 56144 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pipestone, Mn (12.5 mi from Jasper). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.