Silvis, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Silvis, a city in Rock Island County, Illinois.
This Afternoon
55°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy, with a high near 55. West wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Silvis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Slight Chance Drizzle | 10 to 15 mph W | 12% |
| Tonight | 48°F | Slight Chance Drizzle then Slight Chance Rain Showers | 10 to 15 mph SW | 15% |
| Thursday | 51°F | Chance Rain Showers | 10 to 15 mph W | 40% |
| Thursday Night | 39°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 20% |
| Friday | 49°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 30°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 58°F | Sunny | 5 mph W | 1% |
| Sunday Night | 35°F | Clear | 0 to 5 mph SW | 0% |
| Monday | 63°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 40°F | Clear | 5 to 10 mph W | 0% |
| Tuesday | 62°F | Sunny | 0 to 5 mph NW | 2% |
| Tuesday Night | 39°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Silvis (41.498, -90.410). Updated through the day.
Growing snapshot for Silvis
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
5b
More local growing data for Silvis: nearby ZIP 61282 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Le Claire L&D 14, Ia (5.4 mi from Silvis). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.