Hillsdale, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillsdale, a village in Rock Island County, Illinois.
This Afternoon
82°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Hillsdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Slight Chance Showers And Thunderstorms | 10 mph S | 43% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 87% |
| Sunday | 71°F | Rain Showers Likely | 10 to 15 mph NE | 74% |
| Sunday Night | 57°F | Chance Rain Showers | 15 mph NE | 43% |
| Monday | 65°F | Chance Rain Showers | 15 mph NE | 54% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 42% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 19% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 15 mph NE | 7% |
| Wednesday | 67°F | Mostly Sunny | 10 mph NE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 69°F | Mostly Sunny | 5 to 10 mph NE | 5% |
| Thursday Night | 53°F | Partly Cloudy | 5 mph NE | 5% |
| Friday | 72°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Friday Night | 53°F | Partly Cloudy | 5 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov) for Hillsdale (41.607, -90.173). Updated through the day.
Growing snapshot for Hillsdale
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
5b
More local growing data for Hillsdale: nearby ZIP 61257 weather · frost dates · planting calendar · Illinois frost dates
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Taylor Ridge
Climate data from the nearest NOAA station, Le Claire L&D 14, Ia (9.3 mi from Hillsdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.