Hartford, MI Weather & Growing Conditions
Overnight
54°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. Low around 54, with temperatures rising to around 59 overnight. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Showers And Thunderstorms Likely | 9 mph E | 62% |
| Saturday | 73°F | Showers And Thunderstorms | 7 to 10 mph SE | 96% |
| Saturday Night | 60°F | Patchy Fog | 2 to 6 mph SE | 86% |
| Sunday | 71°F | Chance Rain Showers then Mostly Cloudy | 3 to 12 mph NNE | 52% |
| Sunday Night | 49°F | Mostly Cloudy | 10 mph NE | 12% |
| Monday | 65°F | Mostly Cloudy | 12 mph ENE | 13% |
| Monday Night | 46°F | Mostly Cloudy | 7 to 12 mph ENE | 8% |
| Tuesday | 65°F | Partly Sunny then Slight Chance Rain Showers | 8 to 13 mph ENE | 17% |
| Tuesday Night | 47°F | Slight Chance Rain Showers | 7 to 13 mph NE | 17% |
| Wednesday | 66°F | Chance Rain Showers | 10 mph NE | 25% |
| Wednesday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 10 mph NE | 15% |
| Thursday | 69°F | Partly Sunny | 5 to 9 mph NE | 3% |
| Thursday Night | 48°F | Mostly Cloudy | 2 to 8 mph NE | 3% |
| Friday | 72°F | Mostly Sunny | 3 to 8 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hartford, MI
Last spring frost
Apr 22
First fall frost
Oct 30
Growing season
189 days
Hardiness zone
6a
Explore more for Hartford, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Eau Claire 4 Ne, Mi (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.