Jonesville, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jonesville, a city in Hillsdale County, Michigan.
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind around 5 mph.
7-day forecast for Jonesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 mph SW | 0% |
| Tonight | 58°F | Mostly Clear | 0 to 5 mph S | 0% |
| Wednesday | 85°F | Sunny | 0 to 5 mph SW | 3% |
| Wednesday Night | 63°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 65% |
| Thursday | 81°F | Rain Showers Likely | 5 mph SW | 72% |
| Thursday Night | 61°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 72% |
| Friday | 83°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Friday Night | 61°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 38% |
| Saturday | 85°F | Mostly Sunny | 0 to 10 mph SW | 10% |
| Saturday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Sunday | 87°F | Slight Chance Rain Showers | 5 to 15 mph SW | 24% |
| Sunday Night | 66°F | Chance Rain Showers | 10 to 15 mph SW | 40% |
| Monday | 86°F | Chance Rain Showers | 10 mph SW | 40% |
| Monday Night | 65°F | Chance Rain Showers | 5 to 10 mph SW | 50% |
Forecast source: National Weather Service (api.weather.gov) for Jonesville (41.979, -84.666). Updated through the day.
Growing snapshot for Jonesville
Last spring frost
May 3
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
6a
More local growing data for Jonesville: nearby ZIP 49250 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hillsdale, Mi (6 mi from Jonesville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.