Oblong, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oblong, a village in Crawford County, Illinois.
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 3 mph.
7-day forecast for Oblong
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 mph E | 0% |
| Tonight | 63°F | Mostly Clear | 3 mph ESE | 0% |
| Wednesday | 87°F | Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 68°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph S | 20% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 3 to 8 mph SSW | 43% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 5 mph S | 50% |
| Friday | 84°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 29% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SSW | 29% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 6 mph SSW | 21% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 20% |
| Sunday | 88°F | Sunny | 5 to 10 mph SSW | 11% |
| Sunday Night | 72°F | Mostly Clear | 9 mph SSW | 11% |
| Monday | 89°F | Mostly Sunny | 8 to 12 mph SW | 12% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 8 mph SSW | 25% |
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 Aug 4, 2026.