Anchor, IL Weather & Growing Conditions
Tonight
68°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind around 7 mph. Chance of precipitation is 30%. 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 Chance Showers And Thunderstorms | 7 mph SSW | 29% |
| Sunday | 77°F | Showers And Thunderstorms Likely | 7 to 14 mph NNE | 68% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 12 to 15 mph NE | 60% |
| Monday | 66°F | Rain Showers Likely | 14 mph ENE | 61% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 14 mph ENE | 48% |
| Tuesday | 64°F | Chance Rain Showers | 14 mph NE | 48% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 14 mph NNE | 18% |
| Wednesday | 66°F | Mostly Cloudy | 7 to 10 mph NNE | 9% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 2% |
| Thursday | 70°F | Partly Sunny | 5 to 8 mph NNE | 1% |
| Thursday Night | 53°F | Mostly Cloudy | 3 to 7 mph NNE | 8% |
| Friday | 73°F | Partly Sunny | 3 to 7 mph NNE | 5% |
| Friday Night | 53°F | Partly Cloudy | 6 mph NE | 5% |
| Saturday | 75°F | Mostly Sunny | 5 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Anchor, IL
Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
6a
Explore more for Anchor, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Gibson City, Il (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.