Watervliet, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Watervliet, a city in Berrien County, Michigan.
This Afternoon
75°F
Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Partly sunny, with a high near 75. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Watervliet
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Rain Showers | 5 mph E | 15% |
| Tonight | 54°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph E | 58% |
| Saturday | 73°F | Showers And Thunderstorms | 5 to 10 mph SE | 90% |
| Saturday Night | 58°F | Showers And Thunderstorms | 0 to 5 mph E | 84% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 10 mph NE | 78% |
| Sunday Night | 49°F | Chance Showers And Thunderstorms | 10 mph NE | 52% |
| Monday | 66°F | Chance Rain Showers | 10 mph NE | 35% |
| Monday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 33% |
| Tuesday | 65°F | Partly Sunny then Slight Chance Rain Showers | 10 mph NE | 20% |
| Tuesday Night | 48°F | Slight Chance Rain Showers | 5 to 10 mph NE | 20% |
| Wednesday | 67°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 16% |
| Wednesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Watervliet (42.188, -86.259). Updated through the day.
Growing snapshot for Watervliet
Last spring frost
May 5
First fall frost
Oct 15
Growing season
161 days
Hardiness zone
6a
More local growing data for Watervliet: nearby ZIP 49098 weather · frost dates · planting calendar · Michigan frost dates
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Climate data from the nearest NOAA station, Benton Harbor Ap, Mi (9.9 mi from Watervliet). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.