Harman US

Howell, MI Weather & Growing Conditions

This Afternoon
65°F
Showers And Thunderstorms
Showers and thunderstorms before 3pm, then patchy fog and a chance of showers and thunderstorms. Cloudy, with a high near 65. Southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 65°F Showers And Thunderstorms 9 mph SE 76%
Tonight 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%
Friday Night 48°F Mostly Clear 3 to 8 mph NE 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.