New Milford, IL Weather & Growing Conditions
This Afternoon
60°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 60, with temperatures falling to around 54 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Slight Chance Rain Showers | 15 mph SW | 10% |
| Tonight | 44°F | Slight Chance Rain Showers then Cloudy | 10 to 15 mph SW | 10% |
| Thursday | 54°F | Chance Rain | 10 to 15 mph W | 49% |
| Thursday Night | 35°F | Mostly Cloudy | 10 mph N | 13% |
| Friday | 48°F | Mostly Sunny | 10 to 15 mph N | 0% |
| Friday Night | 27°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Monday | 61°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 37°F | Clear | 5 to 10 mph WSW | 0% |
| Tuesday | 61°F | Sunny | 0 to 5 mph WNW | 1% |
| Tuesday Night | 35°F | Partly Cloudy | 0 to 5 mph NW | 1% |
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 Nov 4, 2026.