Armington, IL Weather & Growing Conditions
Tonight
68°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. South southwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 6 mph SSW | 16% |
| Sunday | 79°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 13 mph NNE | 34% |
| Sunday Night | 59°F | Slight Chance Showers And Thunderstorms | 14 mph NE | 49% |
| Monday | 67°F | Rain Showers Likely | 10 to 15 mph ENE | 67% |
| Monday Night | 54°F | Chance Rain Showers | 12 to 15 mph ENE | 53% |
| Tuesday | 65°F | Chance Rain Showers | 13 mph NE | 53% |
| Tuesday Night | 51°F | Mostly Cloudy | 7 to 13 mph NNE | 10% |
| Wednesday | 67°F | Partly Sunny | 10 mph NNE | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 9 mph NNE | 0% |
| Thursday | 71°F | Partly Sunny | 7 mph NNE | 2% |
| Thursday Night | 55°F | Mostly Cloudy | 6 mph NE | 12% |
| Friday | 74°F | Partly Sunny | 7 mph NNE | 10% |
| Friday Night | 54°F | Partly Cloudy | 6 mph NE | 10% |
| Saturday | 76°F | Mostly Sunny | 6 mph ENE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Armington, IL
Last spring frost
Apr 20
First fall frost
Oct 16
Growing season
179 days
Hardiness zone
6a
Explore more for Armington, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Lincoln, Il (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.