Next 48 hours

Time	Temp	Feels	Rain	Wind	Humidity
Now	56°	53°	0%	SE 4 mph	71%
3 AM	50°	49°	0%	N 0 mph	83%
4 AM	54°	51°	0%	SE 4 mph	74%
5 AM	54°	51°	1%	SE 4 mph	71%
6 AM	54°	50°	2%	SE 4 mph	70%
7 AM	54°	49°	2%	SE 6 mph	69%
8 AM	58°	53°	2%	SE 7 mph	65%
9 AM	64°	60°	3%	S 7 mph	60%
10 AM	70°	66°	3%	S 8 mph	50%
11 AM	74°	69°	4%	S 9 mph	43%
12 PM	78°	71°	3%	S 11 mph	36%
1 PM	81°	74°	3%	S 11 mph	31%
2 PM	83°	76°	2%	S 11 mph	28%
3 PM	85°	78°	1%	S 11 mph	28%
4 PM	85°	78°	1%	S 11 mph	27%
5 PM	84°	77°	1%	S 11 mph	28%
6 PM	81°	75°	1%	SE 9 mph	33%
7 PM	75°	70°	1%	SE 9 mph	38%
8 PM	73°	68°	1%	SE 9 mph	41%
9 PM	71°	65°	1%	SE 9 mph	43%
10 PM	69°	64°	1%	S 9 mph	45%
11 PM	68°	62°	0%	SE 9 mph	46%
Sat
12 AM	67°	61°	0%	S 9 mph	48%
1 AM	65°	59°	0%	S 9 mph	49%
2 AM	65°	59°	0%	S 9 mph	51%
3 AM	64°	58°	1%	SE 9 mph	54%
4 AM	63°	57°	1%	SE 9 mph	57%
5 AM	62°	56°	1%	SE 8 mph	58%
6 AM	61°	56°	1%	SE 7 mph	60%
7 AM	60°	56°	1%	SE 7 mph	62%
8 AM	60°	56°	1%	SE 7 mph	62%
9 AM	72°	69°	0%	SE 9 mph	52%
10 AM	72°	69°	0%	SE 9 mph	52%
11 AM	72°	69°	0%	SE 9 mph	52%
12 PM	81°	76°	0%	SE 9 mph	38%
1 PM	81°	76°	0%	SE 9 mph	38%
2 PM	81°	76°	0%	SE 9 mph	38%
3 PM	82°	75°	0%	SE 11 mph	34%
4 PM	82°	75°	0%	SE 11 mph	34%
5 PM	82°	75°	0%	SE 11 mph	34%
6 PM	73°	69°	0%	SE 9 mph	48%
7 PM	73°	69°	0%	SE 9 mph	48%
8 PM	73°	69°	0%	SE 9 mph	48%
9 PM	67°	63°	0%	E 9 mph	63%
10 PM	67°	63°	0%	E 9 mph	63%
11 PM	67°	63°	0%	E 9 mph	63%
Sun
12 AM	63°	59°	0%	E 9 mph	74%
1 AM	63°	59°	0%	E 9 mph	74%

Feels like

Today

High Low

About Decatur weather

Decatur is in Macon County, Illinois, United States at 39.84°, -88.95°. Right now it’s 48° and clear; today’s high is 85° with a 4% chance of rain.

Illinois has a humid continental climate with distinct seasons marked by cold, snowy winters and hot, humid summers. The state's flat terrain allows weather systems to move across without obstruction, leading to rapid temperature changes. Chicago's position on Lake Michigan creates a unique lake-effect weather pattern that can moderate summer heat and intensify winter snowfall.