Howell, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Howell, a city in Livingston County, Michigan.
This Afternoon
71°F
Partly Sunny
Partly sunny. High near 71, with temperatures falling to around 69 in the afternoon. North northeast wind around 8 mph.
7-day forecast for Howell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Partly Sunny | 8 mph NNE | 0% |
| Tonight | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 8 mph ENE | 18% |
| Saturday | 64°F | Showers And Thunderstorms | 5 to 9 mph ESE | 90% |
| Saturday Night | 57°F | Showers And Thunderstorms | 5 to 8 mph E | 84% |
| Sunday | 66°F | Rain Showers Likely | 6 to 12 mph NNE | 62% |
| Sunday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 8 to 12 mph NE | 43% |
| Monday | 62°F | Mostly Cloudy | 9 to 13 mph NE | 13% |
| Monday Night | 48°F | Mostly Cloudy | 9 to 13 mph NE | 8% |
| Tuesday | 61°F | Partly Sunny | 14 mph NE | 13% |
| Tuesday Night | 50°F | Chance Rain Showers | 13 mph NE | 45% |
| Wednesday | 61°F | Chance Rain Showers | 12 mph NE | 45% |
| Wednesday Night | 51°F | Chance Rain Showers | 6 to 10 mph NE | 39% |
| Thursday | 64°F | Partly Sunny | 9 mph NNE | 11% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 8 mph NNE | 11% |
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 Sep 19, 2026.