Howell, MI Weather & Growing Conditions
Tonight
59°F
Patchy Fog then Rain Showers
Patchy fog before 11pm, then patchy fog and a slight chance of rain showers between 11pm and 1am, then rain showers and patchy fog. Cloudy, with a low around 59. East wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Patchy Fog then Rain Showers | 6 mph E | 75% |
| Sunday | 67°F | Rain Showers | 6 to 12 mph NE | 86% |
| Sunday Night | 51°F | Mostly Cloudy | 8 to 12 mph NE | 3% |
| Monday | 61°F | Mostly Cloudy | 12 mph NE | 3% |
| Monday Night | 48°F | Mostly Cloudy | 8 to 12 mph NE | 4% |
| Tuesday | 60°F | Partly Sunny | 10 to 14 mph ENE | 9% |
| Tuesday Night | 50°F | Chance Rain Showers | 13 mph ENE | 28% |
| Wednesday | 60°F | Chance Rain Showers | 14 mph ENE | 48% |
| Wednesday Night | 51°F | Chance Rain Showers | 7 to 12 mph E | 48% |
| Thursday | 63°F | Partly Sunny | 9 mph E | 12% |
| Thursday Night | 50°F | Partly Cloudy | 3 to 7 mph ENE | 10% |
| Friday | 68°F | Mostly Sunny | 7 mph NE | 8% |
| Friday Night | 49°F | Partly Cloudy | 2 to 7 mph NNE | 5% |
| Saturday | 69°F | Mostly Sunny | 6 mph NNE | 3% |
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 (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.