Delton, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delton, a community in Barry County, Michigan.
Tonight
61°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind 12 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
7-day forecast for Delton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy then Slight Chance Rain Showers | 12 to 15 mph S | 22% |
| Wednesday | 68°F | Rain Showers | 12 to 16 mph S | 90% |
| Wednesday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph SW | 24% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph SW | 44% |
| Thursday Night | 40°F | Rain Showers Likely | 6 to 10 mph W | 58% |
| Friday | 50°F | Chance Rain Showers | 10 mph NNW | 39% |
| Friday Night | 32°F | Chance Rain Showers then Mostly Cloudy | 5 to 9 mph NNW | 37% |
| Saturday | 50°F | Mostly Sunny | 5 to 9 mph NW | 4% |
| Saturday Night | 31°F | Partly Cloudy | 3 to 7 mph WNW | 2% |
| Sunday | 54°F | Mostly Sunny | 3 to 13 mph W | 14% |
| Sunday Night | 33°F | Mostly Clear | 3 to 9 mph W | 14% |
| Monday | 58°F | Mostly Sunny | 3 to 10 mph WSW | 3% |
| Monday Night | 38°F | Partly Cloudy | 8 mph WSW | 2% |
| Tuesday | 60°F | Mostly Sunny | 6 to 12 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Delton (42.495, -85.413). Updated through the day.
Growing snapshot for Delton
Last spring frost
Apr 29
First fall frost
Oct 20
Growing season
173 days
Hardiness zone
6a
More local growing data for Delton: nearby ZIP 49046 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gull Lake Biological Stn, Mi (8.6 mi from Delton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.