Peotone Weather

65°F

Peotone, Illinois, USA

Updated: 02-Aug-2026 4:40am

FLOOD WARNING - Will County

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Report for Year 2026

Data last updated 8/2/26 4:40am.

Other Years:

Day	Jan		Feb		Mar		Apr		May		Jun		Jul		Aug		Sep		Oct		Nov		Dec
Day	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo	Hi	Lo
1	23.2	12.2	28.5	7.7	41.2	25.2	43.2	38.8	55.1	38.4	72.4	54.3	94.2	74.6	---	---	---	---	---	---	---	---	---	---
2	27.3	20.4	29.1	20.5	49.2	23.5	73.6	39.7	60.5	31.5	80.2	52.5	94.4	74.3	66.0	65.0	---	---	---	---	---	---	---	---
3	29.7	21.3	34.7	20.7	45.9	34.1	65.7	42.3	67.6	43.3	86.2	49.9	93.0	69.3	---	---	---	---	---	---	---	---	---	---
4	34.4	26.2	27.3	14.6	44.9	33.5	62.8	42.0	81.4	45.2	87.8	55.4	85.8	68.0	---	---	---	---	---	---	---	---	---	---
5	45.2	30.5	29.7	14.6	53.9	42.3	55.1	36.3	59.3	47.6	79.4	67.7	79.8	67.3	---	---	---	---	---	---	---	---	---	---
6	48.7	35.9	38.0	23.0	77.6	48.9	56.5	35.3	60.2	40.9	90.1	67.9	83.7	66.6	---	---	---	---	---	---	---	---	---	---
7	46.5	34.3	29.4	12.4	63.0	37.8	47.8	30.3	62.9	37.0	84.1	64.3	88.3	63.4	---	---	---	---	---	---	---	---	---	---
8	62.6	34.1	30.1	19.4	63.1	34.1	73.5	34.3	67.1	46.8	80.0	64.1	88.6	63.4	---	---	---	---	---	---	---	---	---	---
9	59.8	39.8	40.3	18.8	74.5	44.5	71.6	57.2	77.1	49.3	88.1	70.2	87.2	69.4	---	---	---	---	---	---	---	---	---	---
10	40.1	26.7	52.8	30.5	67.2	47.3	57.9	40.8	71.1	42.3	89.8	65.4	84.3	68.7	---	---	---	---	---	---	---	---	---	---
11	32.8	23.1	45.1	25.1	65.3	33.6	62.1	34.7	63.9	40.4	80.8	64.5	81.1	66.9	---	---	---	---	---	---	---	---	---	---
12	40.6	24.8	44.3	25.0	48.1	30.7	82.2	53.6	81.4	38.3	80.8	59.9	87.2	65.5	---	---	---	---	---	---	---	---	---	---
13	45.8	30.9	54.6	24.4	49.3	35.3	79.9	63.1	64.1	41.4	80.8	61.3	92.2	62.9	---	---	---	---	---	---	---	---	---	---
14	41.8	17.7	47.6	27.1	40.0	29.8	82.5	58.4	72.7	38.4	72.8	57.2	93.1	68.8	---	---	---	---	---	---	---	---	---	---
15	24.4	14.9	60.7	29.6	64.3	34.8	73.8	61.2	77.2	50.5	76.8	50.3	93.6	73.0	---	---	---	---	---	---	---	---	---	---
16	38.4	23.9	66.0	30.4	34.8	19.3	72.8	53.8	84.3	62.1	76.3	55.6	93.2	71.4	---	---	---	---	---	---	---	---	---	---
17	27.1	13.9	60.8	35.2	27.4	14.9	83.8	50.3	89.3	62.3	67.0	53.0	90.4	71.3	---	---	---	---	---	---	---	---	---	---
18	21.3	11.1	65.5	37.6	51.4	24.1	62.0	40.5	81.2	65.0	74.8	59.8	90.2	68.9	---	---	---	---	---	---	---	---	---	---
19	20.8	1.5	54.7	34.3	70.7	34.1	53.6	35.6	78.8	61.6	78.2	56.8	82.0	64.4	---	---	---	---	---	---	---	---	---	---
20	25.4	3.2	47.3	26.0	76.3	44.2	60.3	30.3	66.3	48.6	79.8	59.2	82.2	61.5	---	---	---	---	---	---	---	---	---	---
21	35.1	24.7	30.9	24.8	79.7	43.7	80.1	45.1	69.8	47.6	67.6	56.9	87.1	67.6	---	---	---	---	---	---	---	---	---	---
22	29.6	13.2	31.4	18.8	68.3	33.7	82.4	53.8	76.0	54.1	75.2	56.7	75.3	55.8	---	---	---	---	---	---	---	---	---	---
23	8.0	-5.8	33.5	17.6	47.7	28.4	83.3	51.0	81.5	58.6	77.0	52.2	77.5	52.3	---	---	---	---	---	---	---	---	---	---
24	8.3	-5.8	38.9	18.2	57.6	26.0	71.2	57.4	78.6	59.9	79.2	55.0	78.3	57.3	---	---	---	---	---	---	---	---	---	---
25	23.3	6.5	41.8	26.2	73.1	36.1	66.2	43.6	85.8	53.8	83.2	60.6	74.0	58.8	---	---	---	---	---	---	---	---	---	---
26	8.7	-3.6	46.1	26.7	80.0	35.1	71.9	43.4	87.0	56.1	68.8	59.8	88.8	66.7	---	---	---	---	---	---	---	---	---	---
27	17.5	3.5	67.0	24.7	49.1	32.8	67.4	53.2	90.4	56.3	80.4	62.9	85.0	68.8	---	---	---	---	---	---	---	---	---	---
28	18.5	-1.1	43.8	28.3	51.9	25.9	65.6	51.1	80.6	56.2	84.2	63.4	81.9	63.5	---	---	---	---	---	---	---	---	---	---
29	19.1	1.3			64.3	36.7	61.1	39.5	86.1	52.2	92.4	72.8	81.2	59.3	---	---	---	---	---	---	---	---	---	---
30	22.5	1.7			82.0	46.8	62.4	37.2	81.3	58.2	93.5	74.5	85.6	58.6	---	---	---	---	---	---	---	---	---	---
31	28.5	10.9			74.1	42.4			80.4	53.1			76.9	63.4	---	---			---	---			---	---

	Jan		Feb		Mar		Apr		May		Jun		Jul		Aug		Sep		Oct		Nov		Dec
High	62.6		67.0		82.0		83.8		90.4		93.5		94.4		66.0		---		---		---		---
Avg High	30.8		43.6		59.2		67.7		74.8		80.3		85.7		66.0		---		---		---		---
Mean	22.7		33.2		45.8		56.1		61.4		69.5		74.5		66.0		---		---		---		---
Avg Low	15.9		23.7		34.2		45.1		49.6		60.1		65.5		65.0		---		---		---		---
Low	-5.8		7.7		14.9		30.3		31.5		49.9		52.3		65.0		---		---		---		---


Color Key
< 0	0 - 10	10 - 20	20 - 30	30 - 40	40 - 50	50 - 60	60 - 70	70 - 80	80 - 90	90 - 100	100 - 110	110>

Script Developed by Murry Conarroe of Wildwood Weather.