Nilwood, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Nilwood, a town 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 65 in the afternoon. South wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

7-day forecast for Nilwood

When	Temp	Forecast	Wind	Precip
This Afternoon	72°F	Rain	18 mph S	94%
Tonight	51°F	Rain	9 to 20 mph S	98%
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	40°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	1 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	33°F	Mostly Clear	5 mph W	4%
Monday	65°F	Sunny	2 to 8 mph SW	2%
Monday Night	38°F	Mostly Clear	5 mph SW	1%

Forecast source: National Weather Service (api.weather.gov) for Nilwood (39.400, -89.808). Updated through the day.

Growing snapshot for Nilwood

Last spring frost

Apr 7

First fall frost

Oct 29

Growing season

205 days

Hardiness zone

More local growing data for Nilwood: nearby ZIP 62672 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

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

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Climate data from the nearest NOAA station, Virden, Il (7.7 mi from Nilwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.