Fidelity, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fidelity, a village in Jersey County, Illinois.
This Afternoon
72°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 67 in the afternoon. South wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
7-day forecast for Fidelity
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain | 18 to 22 mph S | 97% |
| Tonight | 51°F | Rain | 10 to 18 mph S | 95% |
| Wednesday | 61°F | Chance Rain Showers then Mostly Cloudy | 9 to 15 mph SW | 12% |
| Wednesday Night | 41°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 63°F | Sunny | 7 to 12 mph W | 3% |
| Thursday Night | 41°F | Mostly Cloudy then Slight Chance T-storms | 6 mph NW | 17% |
| Friday | 57°F | Mostly Cloudy | 7 to 10 mph NW | 5% |
| Friday Night | 35°F | Mostly Cloudy | 2 to 7 mph N | 2% |
| Saturday | 55°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 61°F | Sunny | 2 to 7 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Monday | 65°F | Sunny | 3 to 8 mph SW | 2% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 1% |
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 Nov 3, 2026.