Delton, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delton, a community in Barry County, Michigan.
Tonight
52°F
Rain Showers Likely
Rain showers likely after 11pm. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Delton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers Likely | 9 mph E | 71% |
| Saturday | 67°F | Showers And Thunderstorms | 10 mph ESE | 95% |
| Saturday Night | 56°F | Showers And Thunderstorms | 5 to 8 mph E | 89% |
| Sunday | 67°F | Rain Showers Likely | 7 to 13 mph NE | 65% |
| Sunday Night | 48°F | Chance Rain Showers | 13 mph NE | 36% |
| Monday | 63°F | Slight Chance Rain Showers | 13 mph ENE | 22% |
| Monday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 22% |
| Tuesday | 62°F | Partly Sunny then Slight Chance Rain Showers | 14 mph NE | 21% |
| Tuesday Night | 47°F | Chance Rain Showers | 9 to 14 mph NE | 25% |
| Wednesday | 63°F | Chance Rain Showers | 12 mph NE | 25% |
| Wednesday Night | 48°F | Mostly Cloudy | 5 to 10 mph NE | 13% |
| Thursday | 66°F | Partly Sunny | 6 to 9 mph NNE | 5% |
| Thursday Night | 48°F | Mostly Cloudy | 3 to 7 mph NNE | 5% |
| Friday | 69°F | Mostly Sunny | 3 to 8 mph NNE | 7% |
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 Sep 19, 2026.