Fidelity, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fidelity, a village in Jersey County, Illinois.
Today
86°F
Sunny
Sunny, with a high near 86. South wind around 5 mph.
7-day forecast for Fidelity
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph S | 0% |
| Tonight | 66°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 88°F | Mostly Sunny | 3 to 7 mph S | 14% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 6 mph S | 80% |
| Thursday | 84°F | Showers And Thunderstorms | 6 mph S | 80% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SE | 22% |
| Friday | 85°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 3 mph SW | 18% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 3 mph S | 28% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph S | 28% |
| Saturday Night | 70°F | Mostly Clear | 7 mph S | 6% |
| Sunday | 90°F | Sunny | 6 to 9 mph S | 5% |
| Sunday Night | 72°F | Mostly Clear | 8 mph S | 5% |
| Monday | 91°F | Mostly Sunny | 9 mph SW | 5% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 8 mph S | 18% |
Forecast source: National Weather Service (api.weather.gov) for Fidelity (39.155, -90.164). Updated through the day.
Growing snapshot for Fidelity
Last spring frost
Apr 14
First fall frost
Oct 19
Growing season
187 days
More local growing data for Fidelity: nearby ZIP 62030 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jerseyville 2 Sw, Il (10.2 mi from Fidelity). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.