As of 03:28 CDT

Weather in Peotone, IL

40°Current weather

Peotone, Sunday, 18 October, 03:28

Clear. Feels like 36°. High 63°, low 40°.

Pressure30.45 inHg
Wind6 mph S
Humidity77%
Visibility6.2 mi
Dew point34°

Monthly outlook for Peotone, IL: average high 67.3°, average low 49.3°. That is 5.3° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 1 November (78.6°), the coolest 18 October (40°).

67.3°/49.3°
Average high / low
+5.3°
Above normal
1 / 5
Wet days / normal
0.1 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
18 October – 27 October64.6°58.6°+3.3°
28 October – 6 November71.7°55°+9.2°
7 November – 16 Novemberat normal49.4°—

October records over 66 years

87.3°7 October 2007All-time high
22.5°24 October 1981All-time low

Climate normals and records are computed from the nearest reference point — Arbury Hills (14 mi).

Mon, 1963° / 42°0Clear
63 °Clear

Peotone, Monday, 19 October

Clear. High 63°, low 42°.

Pressure30.42 inHg
Wind3 mph SW
Humidity51%
Visibility6.2 mi
Dew point43°
Tue, 2066° / 43°0Mostly clear
66 °Mostly clear

Peotone, Tuesday, 20 October

Mostly clear. High 66°, low 43°.

Pressure30.39 inHg
Wind3.8 mph SE
Humidity48%
Visibility6.2 mi
Dew point44°
Wed, 2167° / 44°0Clear
67 °Clear

Peotone, Wednesday, 21 October

Clear. High 67°, low 44°.

Pressure30.30 inHg
Wind3.4 mph SW
Humidity53%
Visibility6.2 mi
Dew point47°
Thu, 2268° / 48°0Overcast
68 °Overcast

Peotone, Thursday, 22 October

Overcast. High 68°, low 48°.

Pressure30.27 inHg
Wind7.5 mph NE
Humidity55%
Visibility—
Dew point49°
Fri, 2362° / 50°0Clear
62 °Clear

Peotone, Friday, 23 October

Clear. High 62°, low 50°.

Pressure30.36 inHg
Wind8.4 mph E
Humidity61%
Visibility—
Dew point47°
Sat, 2473° / 56°0Overcast
73 °Overcast

Peotone, Saturday, 24 October

Overcast. High 73°, low 56°.

Pressure30.24 inHg
Wind15.2 mph S
Humidity33%
Visibility—
Dew point38°
Sun, 2563° / 46°0Overcast
63 °Overcast

Peotone, Sunday, 25 October

Overcast. High 63°, low 46°.

Pressure30.42 inHg
Wind13.8 mph NW
Humidity43%
Visibility—
Dew point33°
Mon, 2657° / 41°0Overcast
57 °Overcast

Peotone, Monday, 26 October

Overcast. High 57°, low 41°.

Pressure30.36 inHg
Wind8.1 mph SW
Humidity26%
Visibility—
Dew point20°
Tue, 2763° / 49°0.11Light rain
63 °Light rain

Peotone, Tuesday, 27 October

Light rain. High 63°, low 49°.

Pressure30.18 inHg
Wind9.2 mph SW
Humidity60%
Visibility—
Dew point41°
Wed, 2870° / 53°0Overcast
70 °Overcast

Peotone, Wednesday, 28 October

Overcast. High 70°, low 53°.

Pressure29.97 inHg
Wind12.7 mph SW
Humidity46%
Visibility—
Dew point46°
Thu, 2968° / 57°0Overcast
68 °Overcast

Peotone, Thursday, 29 October

Overcast. High 68°, low 57°.

Pressure29.77 inHg
Wind9.9 mph SW
Humidity55%
Visibility—
Dew point49°
Fri, 3072° / 53°0Clear
72 °Clear

Peotone, Friday, 30 October

Clear. High 72°, low 53°.

Pressure29.77 inHg
Wind14 mph SW
Humidity52%
Visibility—
Dew point49°
Sat, 3176° / 58°0.02Light rain
76 °Light rain

Peotone, Saturday, 31 October

Light rain. High 76°, low 58°.

Pressure29.74 inHg
Wind14.5 mph SW
Humidity61%
Visibility—
Dew point57°
Sun, 0179° / 62°0Overcast
79 °Overcast

Peotone, Sunday, 1 November

Overcast. High 79°, low 62°.

Pressure29.94 inHg
Wind14.9 mph SW
Humidity50%
Visibility—
Dew point55°
Mon, 0266° / 48°0Clear
66 °Clear

Peotone, Monday, 2 November

Clear. High 66°, low 48°.

Pressure30.12 inHg
Wind11 mph S
Humidity29%
Visibility—
Dew point30°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 0353° / 39°0.07Climate normal
53 °Climate normal

Peotone, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high53°
Average low39°
Average precipitation0.07 in
Chance of precipitation22%
Record high73° (1987)
Record low18° (1991)
Wed, 0453° / 41°0.09Climate normal
53 °Climate normal

Peotone, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high53°
Average low41°
Average precipitation0.09 in
Chance of precipitation28%
Record high72° (2015)
Record low18° (1991)
Thu, 0553° / 40°0.12Climate normal
53 °Climate normal

Peotone, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high53°
Average low40°
Average precipitation0.12 in
Chance of precipitation30%
Record high76° (1978)
Record low18° (1991)
Fri, 0653° / 38°0.08Climate normal
53 °Climate normal

Peotone, Friday, 6 November

Climate normal for this date — 60-year average.

Average high53°
Average low38°
Average precipitation0.08 in
Chance of precipitation35%
Record high72° (1975)
Record low24° (1973)
Sat, 0752° / 38°0.06Climate normal
52 °Climate normal

Peotone, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high52°
Average low38°
Average precipitation0.06 in
Chance of precipitation20%
Record high69° (2020)
Record low20° (1991)
Sun, 0852° / 38°0.06Climate normal
52 °Climate normal

Peotone, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high52°
Average low38°
Average precipitation0.06 in
Chance of precipitation22%
Record high74° (2020)
Record low13° (1991)
Mon, 0952° / 38°0.14Climate normal
52 °Climate normal

Peotone, Monday, 9 November

Climate normal for this date — 60-year average.

Average high52°
Average low38°
Average precipitation0.14 in
Chance of precipitation35%
Record high72° (1999)
Record low17° (1991)
Tue, 1051° / 37°0.14Climate normal
51 °Climate normal

Peotone, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high51°
Average low37°
Average precipitation0.14 in
Chance of precipitation33%
Record high72° (2020)
Record low17° (2018)
Wed, 1148° / 35°0.07Climate normal
48 °Climate normal

Peotone, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high48°
Average low35°
Average precipitation0.07 in
Chance of precipitation32%
Record high71° (1964)
Record low18° (2019)
Thu, 1247° / 34°0.06Climate normal
47 °Climate normal

Peotone, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high47°
Average low34°
Average precipitation0.06 in
Chance of precipitation23%
Record high69° (1964)
Record low6° (2019)
Fri, 1347° / 33°0.06Climate normal
47 °Climate normal

Peotone, Friday, 13 November

Climate normal for this date — 60-year average.

Average high47°
Average low33°
Average precipitation0.06 in
Chance of precipitation20%
Record high70° (1999)
Record low3° (2019)
Sat, 1449° / 34°0.08Climate normal
49 °Climate normal

Peotone, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high49°
Average low34°
Average precipitation0.08 in
Chance of precipitation37%
Record high71° (1971)
Record low12° (1986)
Sun, 1548° / 35°0.09Climate normal
48 °Climate normal

Peotone, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high48°
Average low35°
Average precipitation0.09 in
Chance of precipitation33%
Record high67° (1990)
Record low20° (1982)
Mon, 1647° / 34°0.05Climate normal
47 °Climate normal

Peotone, Monday, 16 November

Climate normal for this date — 60-year average.

Average high47°
Average low34°
Average precipitation0.05 in
Chance of precipitation22%
Record high65° (1971)
Record low20° (1997)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Peotone, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Peotone, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.