Harman US

Howell, MI Weather & Growing Conditions

Overnight
55°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 55, with temperatures rising to around 57 overnight. East northeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 55°F Chance Rain Showers 6 mph ENE 26%
Saturday 65°F Showers And Thunderstorms 5 to 9 mph ESE 79%
Saturday Night 59°F Patchy Fog 7 mph ESE 94%
Sunday 68°F Chance Rain Showers 6 to 13 mph NNE 48%
Sunday Night 51°F Mostly Cloudy 8 to 12 mph NE 2%
Monday 61°F Mostly Cloudy 9 to 13 mph NE 2%
Monday Night 47°F Mostly Cloudy 8 to 12 mph NE 4%
Tuesday 61°F Partly Sunny 14 mph NE 9%
Tuesday Night 49°F Chance Rain Showers 13 mph ENE 41%
Wednesday 61°F Chance Rain Showers 14 mph ENE 52%
Wednesday Night 50°F Chance Rain Showers 7 to 12 mph ENE 50%
Thursday 64°F Slight Chance Rain Showers then Mostly Cloudy 9 mph NE 15%
Thursday Night 50°F Mostly Cloudy 5 to 8 mph NE 13%
Friday 68°F Mostly Sunny 5 to 9 mph NNE 7%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Howell, MI

Last spring frost
May 4
First fall frost
Oct 7
Growing season
156 days
Hardiness zone
6a

Explore more for Howell, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Howell Wwtp, Mi (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.