London Mills, IL Weather & Growing Conditions
Today
58°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy, with a high near 58. West southwest wind around 15 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Slight Chance Drizzle | 15 mph WSW | 10% |
| Tonight | 44°F | Slight Chance Drizzle then Cloudy | 13 mph WSW | 10% |
| Thursday | 56°F | Slight Chance Light Rain | 10 to 14 mph W | 22% |
| Thursday Night | 42°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 8 mph NW | 21% |
| Friday | 52°F | Partly Sunny | 6 to 10 mph N | 9% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 3 mph NW | 0% |
| Saturday Night | 32°F | Mostly Clear | 1 mph WNW | 1% |
| Sunday | 59°F | Sunny | 1 to 6 mph WNW | 1% |
| Sunday Night | 34°F | Clear | 2 mph W | 1% |
| Monday | 64°F | Sunny | 0 to 7 mph W | 0% |
| Monday Night | 39°F | Mostly Clear | 3 mph WSW | 0% |
| Tuesday | 65°F | Sunny | 3 mph NW | 0% |
| Tuesday Night | 40°F | Mostly Clear | 1 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for London Mills, IL
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
Explore more for London Mills, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Avon, Il (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.