St. David, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. David, a village in Fulton County, Illinois.
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. South southwest wind around 12 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. David
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 12 mph SSW | 14% |
| Wednesday | 58°F | Patchy Drizzle | 12 to 15 mph WSW | 14% |
| Wednesday Night | 45°F | Patchy 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% |
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
Nearby towns & communities
Astoria
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Bryant
Canton
Cuba
Dunfermline
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Fairview
Farmington
Goofy Ridge
Ipava
Lewistown
Liverpool
London Mills
Marietta
Norris
Smithfield
Table Grove
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.