New Milford, IL Weather & Growing Conditions
This Afternoon
72°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 72. East southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Rain Showers | 15 mph ESE | 42% |
| Tonight | 62°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 10 mph E | 62% |
| Saturday | 77°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 91% |
| Saturday Night | 62°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph ENE | 77% |
| Sunday | 67°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 73% |
| Sunday Night | 54°F | Chance Rain Showers | 15 mph NE | 52% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 41% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Tuesday Night | 47°F | Mostly Cloudy | 5 to 10 mph NE | 10% |
| Wednesday | 66°F | Partly Sunny | 5 to 10 mph NE | 5% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 10 mph NNE | 3% |
| Thursday | 68°F | Partly Sunny | 0 to 5 mph NNE | 4% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Milford, IL
Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
174 days
Hardiness zone
5b
Explore more for New Milford, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Rockford Gtr Rockford Ap, Il (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.