New Haven, MI Weather & Growing Conditions
Tonight
56°F
Showers And Thunderstorms Likely
A slight chance of rain showers before 8pm, then showers and thunderstorms likely between 8pm and 3am, then patchy fog and showers and thunderstorms. Cloudy, with a low around 56. East northeast wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Showers And Thunderstorms Likely | 3 to 7 mph ENE | 91% |
| Sunday | 68°F | Patchy Fog | 5 to 14 mph NNE | 61% |
| Sunday Night | 51°F | Mostly Cloudy | 7 to 14 mph NE | 1% |
| Monday | 65°F | Partly Sunny | 8 to 12 mph NE | 1% |
| Monday Night | 48°F | Mostly Cloudy | 10 mph NE | 2% |
| Tuesday | 64°F | Partly Sunny | 10 to 14 mph NE | 12% |
| Tuesday Night | 50°F | Chance Rain Showers | 10 to 14 mph ENE | 49% |
| Wednesday | 64°F | Chance Rain Showers | 14 mph E | 49% |
| Wednesday Night | 51°F | Chance Rain Showers | 7 to 13 mph E | 48% |
| Thursday | 65°F | Slight Chance Rain Showers | 7 to 10 mph E | 24% |
| Thursday Night | 50°F | Mostly Cloudy | 3 to 8 mph ENE | 12% |
| Friday | 69°F | Mostly Sunny | 3 to 8 mph NE | 12% |
| Friday Night | 50°F | Partly Cloudy | 2 to 8 mph NNE | 5% |
| Saturday | 71°F | Mostly Sunny | 3 to 7 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Haven, MI
Last spring frost
Apr 30
First fall frost
Oct 24
Growing season
174 days
Hardiness zone
6b
Explore more for New Haven, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Mt Clemens Ang Base, Mi (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.