Magnolia, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Magnolia, a city in Rock County, Minnesota.
Overnight
60°F
Areas Of Fog
Areas of fog and patchy drizzle. Cloudy, with a low around 60. Northeast wind around 5 mph.
7-day forecast for Magnolia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Areas Of Fog | 5 mph NE | 12% |
| Saturday | 65°F | Areas Of Fog then Cloudy | 5 to 10 mph NNE | 16% |
| Saturday Night | 53°F | Cloudy | 10 mph NNE | 6% |
| Sunday | 66°F | Mostly Cloudy | 10 to 15 mph NE | 6% |
| Sunday Night | 50°F | Chance Rain Showers | 10 to 15 mph ENE | 35% |
| Monday | 60°F | Chance Rain Showers | 10 mph ENE | 37% |
| Monday Night | 44°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 17% |
| Tuesday | 63°F | Partly Sunny | 5 mph ESE | 6% |
| Tuesday Night | 43°F | Partly Cloudy | 5 mph SE | 2% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph SSE | 6% |
| Wednesday Night | 48°F | Partly Cloudy then Chance Rain Showers | 5 mph SSE | 25% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 25% |
| Thursday Night | 51°F | Mostly Cloudy | 5 mph SE | 13% |
| Friday | 70°F | Partly Sunny | 5 to 10 mph SE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Magnolia (43.644, -96.075). Updated through the day.
Growing snapshot for Magnolia
Last spring frost
May 1
First fall frost
Oct 4
Growing season
156 days
Hardiness zone
5a
More local growing data for Magnolia: nearby ZIP 56158 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rock Rapids, Ia (14.7 mi from Magnolia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.