Girard, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Girard, a city in Macoupin 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 around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

7-day forecast for Girard

When	Temp	Forecast	Wind	Precip
This Afternoon	72°F	Rain	20 mph S	99%
Tonight	51°F	Rain	10 to 17 mph S	99%
Wednesday	61°F	Chance Rain Showers then Mostly Cloudy	9 to 14 mph SW	12%
Wednesday Night	41°F	Partly Cloudy	7 mph SW	0%
Thursday	63°F	Sunny	6 to 12 mph W	3%
Thursday Night	41°F	Mostly Cloudy then Slight Chance T-storms	5 mph NW	21%
Friday	57°F	Mostly Cloudy	5 to 9 mph NW	9%
Friday Night	35°F	Mostly Cloudy	2 to 7 mph N	2%
Saturday	55°F	Mostly Sunny	3 mph NW	1%
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	2 to 8 mph SW	2%
Monday Night	38°F	Mostly Clear	6 mph SW	1%

Forecast source: National Weather Service (api.weather.gov) for Girard (39.447, -89.782). Updated through the day.

Growing snapshot for Girard

Last spring frost

Apr 7

First fall frost

Oct 29

Growing season

205 days

Hardiness zone

More local growing data for Girard: nearby ZIP 62640 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

Benld Bunker Hill Carlinville Chesterfield Dorchester Eagarville East Gillespie Gillespie Hettick Lake Ka-Ho Modesto Mount Clare Mount Olive Nilwood Palmyra Royal Lakes Sawyerville Scottville Shipman Standard City Staunton Virden White City Wilsonville

All Illinois locations ›

Climate data from the nearest NOAA station, Virden, Il (5.7 mi from Girard). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.