Mendota Heights, MN Weather & Growing Conditions
This Afternoon
54°F
Light Rain
Rain. Cloudy, with a high near 54. West wind around 10 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Light Rain | 10 mph W | 83% |
| Tonight | 44°F | Light Rain | 5 to 15 mph NNW | 89% |
| Thursday | 47°F | Cloudy | 10 to 15 mph N | 7% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 0% |
| Friday | 46°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 30°F | Mostly Clear | 0 mph | 0% |
| Saturday | 50°F | Patchy Fog then Mostly Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 37°F | Partly Cloudy | 5 mph WSW | 1% |
| Sunday | 55°F | Sunny | 5 mph W | 0% |
| Sunday Night | 39°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 61°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 55°F | Mostly Sunny | 5 mph WNW | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mendota Heights, MN
Last spring frost
Apr 25
First fall frost
Oct 12
Growing season
169 days
Hardiness zone
5a
Explore more for Mendota Heights, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, St Paul 3Sw, Mn (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.