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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.