Howell, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Howell, a city in Livingston County, Michigan.
Today
86°F
Sunny
Sunny, with a high near 86. South southwest wind around 7 mph.
7-day forecast for Howell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 7 mph SSW | 0% |
| Tonight | 60°F | Mostly Clear | 2 to 7 mph S | 0% |
| Wednesday | 87°F | Mostly Sunny | 2 to 8 mph SSW | 11% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 1 to 8 mph WSW | 70% |
| Thursday | 81°F | Showers And Thunderstorms | 2 to 7 mph WSW | 75% |
| Thursday Night | 62°F | Showers And Thunderstorms | 1 to 5 mph SW | 75% |
| Friday | 84°F | Chance Showers And Thunderstorms | 5 mph SW | 28% |
| Friday Night | 62°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 28% |
| Saturday | 87°F | Sunny | 3 to 9 mph SW | 5% |
| Saturday Night | 65°F | Mostly Clear then Chance Rain Showers | 5 to 9 mph SW | 25% |
| Sunday | 88°F | Chance Rain Showers | 5 to 14 mph SW | 25% |
| Sunday Night | 67°F | Chance Rain Showers | 7 to 14 mph WSW | 46% |
| Monday | 86°F | Chance Rain Showers | 7 to 10 mph W | 46% |
| Monday Night | 65°F | Chance Rain Showers | 6 to 10 mph W | 46% |
Forecast source: National Weather Service (api.weather.gov) for Howell (42.608, -83.934). Updated through the day.
Growing snapshot for Howell
Last spring frost
May 4
First fall frost
Oct 7
Growing season
156 days
Hardiness zone
6a
More local growing data for Howell: nearby ZIP 48843 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Howell Wwtp, Mi (1.3 mi from Howell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.