South Haven, MI Weather & Growing Conditions
Today
82°F
Sunny
Sunny, with a high near 82. Southwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 8 mph SW | 0% |
| Tonight | 62°F | Partly Cloudy | 6 mph SSW | 4% |
| Wednesday | 80°F | Chance Rain Showers | 5 to 8 mph SW | 47% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 6 mph WSW | 85% |
| Thursday | 78°F | Showers And Thunderstorms | 1 to 7 mph SW | 85% |
| Thursday Night | 58°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 6 mph ESE | 30% |
| Friday | 80°F | Mostly Sunny | 1 to 6 mph SW | 8% |
| Friday Night | 61°F | Mostly Clear | 1 to 5 mph WSW | 7% |
| Saturday | 82°F | Mostly Sunny | 2 to 9 mph SW | 10% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 26% |
| Sunday | 84°F | Chance Showers And Thunderstorms then Mostly Sunny | 7 to 12 mph SW | 26% |
| Sunday Night | 66°F | Chance Rain Showers | 6 to 9 mph SW | 46% |
| Monday | 82°F | Chance Rain Showers | 6 to 9 mph SW | 46% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 3 to 8 mph WSW | 52% |
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 Aug 4, 2026.