Bishop Hill, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bishop Hill, a village in Henry County, Illinois.
Tonight
66°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms between 11pm and 5am, then patchy fog and showers and thunderstorms likely. Mostly cloudy. Low around 66, with temperatures rising to around 69 overnight. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Bishop Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph E | 79% |
| Sunday | 71°F | Patchy Fog | 5 to 15 mph NE | 70% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 15 mph NE | 52% |
| Monday | 63°F | Rain Showers Likely | 15 mph NE | 69% |
| Monday Night | 54°F | Rain Showers Likely | 10 to 15 mph NE | 62% |
| Tuesday | 62°F | Rain Showers Likely | 15 mph NE | 56% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 15 mph NE | 7% |
| Wednesday | 64°F | Partly Sunny | 10 mph NE | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 68°F | Partly Sunny | 5 mph NE | 3% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Friday | 71°F | Partly Sunny | 5 mph NE | 11% |
| Friday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Saturday | 72°F | Mostly Sunny | 0 to 5 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov) for Bishop Hill (41.200, -90.118). Updated through the day.
Growing snapshot for Bishop Hill
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
More local growing data for Bishop Hill: nearby ZIP 61419 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Galva, Il (4.6 mi from Bishop Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.