Hartford, MI Weather & Growing Conditions
Today
73°F
Rain Showers Likely
Rain showers likely and patchy fog before 5pm, then patchy fog and showers and thunderstorms likely. Mostly cloudy. High near 73, with temperatures falling to around 71 in the afternoon. Southeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Rain Showers Likely | 9 mph SE | 74% |
| Tonight | 60°F | Patchy Fog | 2 to 6 mph SE | 86% |
| Sunday | 71°F | Patchy Fog | 3 to 12 mph NNE | 72% |
| 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% |
| Friday Night | 48°F | Partly Cloudy | 2 to 7 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.