Robinson, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Robinson, a city in Crawford County, Illinois.
This Afternoon
94°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Robinson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 18% |
| Tonight | 70°F | Mostly Cloudy | 6 mph S | 14% |
| Sunday | 92°F | Mostly Sunny | 6 to 9 mph W | 14% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 7 to 12 mph NNE | 47% |
| Monday | 79°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 50% |
| Monday Night | 58°F | Chance Rain Showers | 9 to 13 mph NE | 48% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 12 mph NE | 40% |
| Tuesday Night | 56°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 13 mph NNE | 17% |
| Wednesday | 73°F | Partly Sunny | 8 to 12 mph N | 12% |
| Wednesday Night | 56°F | Partly Cloudy | 5 to 12 mph N | 4% |
| Thursday | 75°F | Partly Sunny | 6 to 9 mph N | 2% |
| Thursday Night | 56°F | Mostly Cloudy | 5 to 9 mph NNE | 2% |
| Friday | 77°F | Partly Sunny | 6 to 9 mph NNE | 5% |
| Friday Night | 55°F | Partly Cloudy | 5 to 8 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Robinson (39.009, -87.733). Updated through the day.
Growing snapshot for Robinson
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6b
More local growing data for Robinson: nearby ZIP 62454 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Robinson, Il (1.1 mi from Robinson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.