Silvis, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Silvis, a city in Rock Island County, Illinois.
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. South wind around 5 mph.
7-day forecast for Silvis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 86°F | Mostly Sunny | 5 to 10 mph SW | 8% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely | 5 mph N | 68% |
| Wednesday | 79°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph N | 73% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph N | 75% |
| Thursday | 80°F | Chance Rain Showers then Mostly Sunny | 5 mph NE | 50% |
| Thursday Night | 62°F | Mostly Clear | 0 to 5 mph NE | 11% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph S | 6% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 85°F | Sunny | 5 to 10 mph S | 9% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 10 to 15 mph SW | 15% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 34% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 34% |
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
Nearby towns & communities
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Rock Island
Taylor Ridge
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 Aug 4, 2026.