New Minden, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Minden, a village in Washington County, Illinois.
This Afternoon
75°F
Slight Chance T-storms
A slight chance of thunderstorms and a slight chance of rain between 2pm and 3pm, then rain likely and a slight chance of thunderstorms. Mostly cloudy. High near 75, with temperatures falling to around 71 in the afternoon. South wind 21 to 24 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
7-day forecast for New Minden
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance T-storms | 21 to 24 mph S | 68% |
| Tonight | 55°F | Rain | 9 to 17 mph S | 92% |
| Wednesday | 66°F | Chance Rain Showers then Mostly Cloudy | 7 to 14 mph SW | 12% |
| Wednesday Night | 43°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 68°F | Sunny | 3 to 12 mph SW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 3 mph W | 4% |
| Friday | 60°F | Mostly Cloudy | 3 to 12 mph NW | 5% |
| Friday Night | 38°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 62°F | Sunny | 1 to 8 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 3 mph NW | 5% |
| Monday | 66°F | Sunny | 1 to 9 mph W | 2% |
| Monday Night | 39°F | Mostly Clear | 3 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for New Minden (38.438, -89.370). Updated through the day.
Growing snapshot for New Minden
Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
201 days
Hardiness zone
6b
More local growing data for New Minden: nearby ZIP 62803 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Nashville 1 E, Il (8.5 mi from New Minden). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.