St. David, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. David, a village in Fulton County, Illinois.
Tonight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. East southeast wind around 8 mph, with gusts as high as 17 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. David
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Partly Cloudy | 8 mph ESE | 12% |
| Saturday | 88°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph S | 17% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely | 7 mph NE | 57% |
| Sunday | 77°F | Rain Showers Likely | 2 to 10 mph N | 67% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 68% |
| Monday | 66°F | Showers And Thunderstorms Likely | 10 mph NE | 68% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 45% |
| Tuesday | 65°F | Chance Rain Showers | 9 mph NE | 29% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 to 8 mph NNE | 5% |
| Wednesday | 68°F | Mostly Sunny | 6 mph NNE | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph NNE | 2% |
| Thursday | 69°F | Mostly Sunny | 5 mph NNE | 4% |
| Thursday Night | 55°F | Partly Cloudy | 2 mph NNE | 4% |
| Friday | 72°F | Mostly Sunny | 5 mph NE | 4% |
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
Avon
Bryant
Canton
Cuba
Dunfermline
Ellisville
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 Sep 19, 2026.