Harman US

New Haven, MI Weather & Growing Conditions

This Afternoon
67°F
Chance Light Rain
A chance of rain. Cloudy. High near 67, with temperatures falling to around 63 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Chance Light Rain 15 mph S 28%
Tonight 50°F Light Rain Likely then Mostly Cloudy 7 to 15 mph SSW 62%
Thursday 60°F Mostly Cloudy then Slight Chance Light Rain 8 to 14 mph SW 18%
Thursday Night 40°F Light Rain Likely 6 to 9 mph W 58%
Friday 53°F Chance Light Rain 7 to 12 mph WNW 47%
Friday Night 33°F Chance Light Rain 12 mph NW 47%
Saturday 52°F Chance Light Rain then Mostly Cloudy 8 to 13 mph NW 28%
Saturday Night 30°F Partly Cloudy 3 to 7 mph WNW 2%
Sunday 58°F Mostly Sunny 5 to 12 mph W 4%
Sunday Night 32°F Mostly Clear 6 to 9 mph W 4%
Monday 58°F Mostly Sunny 5 to 10 mph W 1%
Monday Night 38°F Partly Cloudy 8 mph WSW 1%
Tuesday 61°F Mostly Sunny 7 to 10 mph W 1%
Tuesday Night 33°F Partly Cloudy 6 mph WNW 1%

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 Nov 5, 2026.