South Haven, MI Weather & Growing Conditions
Overnight
61°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Chance Rain Showers | 12 mph S | 34% |
| Wednesday | 68°F | Rain Showers Likely | 13 mph SSW | 64% |
| Wednesday Night | 45°F | Cloudy then Slight Chance Rain Showers | 9 to 13 mph SW | 18% |
| Thursday | 57°F | Rain Showers Likely | 12 to 15 mph SW | 61% |
| Thursday Night | 38°F | Rain Showers Likely | 7 to 10 mph WNW | 68% |
| Friday | 53°F | Rain Showers Likely | 12 mph N | 56% |
| Friday Night | 33°F | Chance Rain Showers | 5 to 9 mph N | 48% |
| Saturday | 52°F | Mostly Sunny | 5 to 9 mph NNW | 12% |
| Saturday Night | 34°F | Partly Cloudy | 6 mph WNW | 2% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Rain Showers | 6 to 12 mph W | 16% |
| Sunday Night | 37°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 8 mph WNW | 16% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph WSW | 7% |
| Monday Night | 40°F | Partly Cloudy | 7 mph WSW | 2% |
| Tuesday | 59°F | Mostly Sunny | 7 to 10 mph WNW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Haven, MI
Last spring frost
Apr 17
First fall frost
Nov 5
Growing season
201 days
Hardiness zone
6b
Explore more for South Haven, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, S Haven, Mi (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.