Rockville, MN Weather & Growing Conditions
Tonight
54°F
Rain Showers Likely
Rain showers likely and patchy fog before 1am, then a chance of drizzle between 1am and 4am. Cloudy. Low around 54, with temperatures rising to around 57 overnight. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Rain Showers Likely | 10 mph E | 37% |
| Saturday | 64°F | Cloudy | 10 mph NE | 18% |
| Saturday Night | 51°F | Partly Cloudy | 5 to 10 mph NE | 3% |
| Sunday | 67°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 47°F | Cloudy | 5 to 10 mph ENE | 4% |
| Monday | 63°F | Mostly Cloudy | 5 to 10 mph ENE | 8% |
| Monday Night | 43°F | Partly Cloudy | 0 to 5 mph ENE | 4% |
| Tuesday | 64°F | Mostly Sunny | 0 to 10 mph E | 2% |
| Tuesday Night | 44°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 66°F | Mostly Sunny | 0 to 10 mph SE | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph SSE | 12% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph SSE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 10 mph SE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rockville, MN
Last spring frost
May 3
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
4b
Explore more for Rockville, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Collegeville St John's, Mn (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.