St. David, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. David, a village in Fulton County, Illinois.
Today
60°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy, with a high near 60. West southwest wind 12 to 15 mph, with gusts as high as 29 mph.
7-day forecast for St. David
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Slight Chance Drizzle | 12 to 15 mph WSW | 14% |
| Tonight | 43°F | Slight Chance Drizzle then Mostly Cloudy | 12 mph WSW | 10% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Light Rain | 9 to 14 mph W | 19% |
| Thursday Night | 42°F | Slight Chance Light Rain then Mostly Cloudy | 8 mph NW | 21% |
| Friday | 52°F | Partly Sunny | 7 to 10 mph N | 8% |
| Friday Night | 32°F | Partly Cloudy | 1 to 6 mph NNW | 0% |
| Saturday | 53°F | Sunny | 3 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 2 mph WNW | 1% |
| Sunday | 59°F | Sunny | 2 to 6 mph W | 1% |
| Sunday Night | 34°F | Clear | 3 mph W | 1% |
| Monday | 64°F | Sunny | 1 to 6 mph SW | 0% |
| Monday Night | 39°F | Clear | 3 mph WSW | 0% |
| Tuesday | 66°F | Sunny | 3 mph NW | 1% |
| Tuesday Night | 39°F | Mostly Clear | 1 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov) for St. David (40.492, -90.052). Updated through the day.
Growing snapshot for St. David
Last spring frost
Apr 17
First fall frost
Oct 19
Growing season
185 days
Hardiness zone
6a
More local growing data for St. David: nearby ZIP 61563 weather · frost dates · planting calendar · Illinois frost dates
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Vermont
Climate data from the nearest NOAA station, Havana, Il (13.2 mi from St. David). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.