Oblong, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oblong, a village in Crawford County, Illinois.
Overnight
70°F
Mostly Cloudy
Mostly cloudy, with a low around 70. East southeast wind around 5 mph.
7-day forecast for Oblong
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Mostly Cloudy | 5 mph ESE | 4% |
| Saturday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SSW | 16% |
| Saturday Night | 71°F | Mostly Cloudy | 7 mph S | 7% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph W | 21% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 10 mph NNE | 37% |
| Monday | 80°F | Showers And Thunderstorms Likely | 13 mph NE | 60% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 10 to 14 mph NNE | 60% |
| Tuesday | 74°F | Chance Showers And Thunderstorms | 13 mph NNE | 38% |
| Tuesday Night | 56°F | Mostly Cloudy | 8 to 13 mph NNE | 9% |
| Wednesday | 74°F | Partly Sunny | 12 mph NNE | 5% |
| Wednesday Night | 55°F | Mostly Cloudy | 5 to 12 mph NNE | 5% |
| Thursday | 75°F | Mostly Sunny | 6 to 10 mph NNE | 4% |
| Thursday Night | 57°F | Partly Cloudy | 5 to 9 mph NNE | 4% |
| Friday | 76°F | Mostly Sunny | 6 to 10 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Oblong (39.002, -87.911). Updated through the day.
Growing snapshot for Oblong
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6b
More local growing data for Oblong: nearby ZIP 62449 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Robinson, Il (7.2 mi from Oblong). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.