Harvel, IL Weather & Growing Conditions
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. South wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 6 mph S | 3% |
| Saturday | 93°F | Partly Sunny | 7 mph SW | 9% |
| Saturday Night | 70°F | Partly Cloudy | 3 mph S | 12% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 2 to 7 mph N | 32% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 67% |
| Monday | 74°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 70% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 54% |
| Tuesday | 69°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 12 mph NE | 24% |
| Tuesday Night | 51°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph N | 17% |
| Wednesday | 72°F | Mostly Sunny | 6 to 9 mph N | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 8 mph N | 1% |
| Thursday | 74°F | Mostly Sunny | 3 to 8 mph N | 2% |
| Thursday Night | 54°F | Partly Cloudy | 2 to 7 mph NE | 3% |
| Friday | 76°F | Mostly Sunny | 3 to 7 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harvel, IL
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
190 days
Hardiness zone
6a
Explore more for Harvel, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Morrisonville, Il (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.