Coldwater, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coldwater, a city in Branch County, Michigan.
This Afternoon
74°F
Partly Sunny
Partly sunny, with a high near 74. Northeast wind around 5 mph.
7-day forecast for Coldwater
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Partly Sunny | 5 mph NE | 3% |
| Tonight | 55°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph E | 47% |
| Saturday | 71°F | Showers And Thunderstorms | 5 to 10 mph E | 90% |
| Saturday Night | 59°F | Showers And Thunderstorms | 5 mph S | 87% |
| Sunday | 69°F | Showers And Thunderstorms | 5 to 10 mph N | 81% |
| Sunday Night | 50°F | Chance Showers And Thunderstorms | 10 mph NE | 48% |
| Monday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 38% |
| Monday Night | 47°F | Slight Chance Rain Showers | 10 to 15 mph NE | 15% |
| Tuesday | 64°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 25% |
| Tuesday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 25% |
| Wednesday | 64°F | Chance Rain Showers | 10 mph NE | 25% |
| Wednesday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 17% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NE | 8% |
| Thursday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Coldwater (41.946, -84.999). Updated through the day.
Growing snapshot for Coldwater
Last spring frost
May 2
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
6a
More local growing data for Coldwater: nearby ZIP 49036 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Coldwater St School, Mi (4.4 mi from Coldwater). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.