As of 03:23 CDT

Weather in Chemung, IL

54°

Chemung, Wednesday, 28 October, 03:23

Clear. Feels like 52°. High 73°, low 54°.

Pressure30.18 inHg

Wind6.5 mph S

Humidity78%

Visibility6.2 mi

Dew point47°

See detailed hourly forecast

Monthly outlook for Chemung, IL: average high 54.8°, average low 43.5°. That is 2.5° above the climate normal for October. Precipitation is expected on 7 days (about 4.0 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 28 October (72.5°), the coolest 12 November (26.1°).

54.8°/43.5°

Average high / low

+2.5°

Above normal

7 / 5

Wet days / normal

4.0 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
28 October – 6 November	61.1°	52.2°	+5°
7 November – 16 November	44.4°	46.4°	-1.1°
17 November – 26 November	at normal	42.9°	—

October records over 66 years

85.3°3 October 2025All-time high

21.2°30 October 1988All-time low

Climate normals and records are computed from the nearest reference point — Darien (13 mi).

Thu, 2966° / 48°

0.03

66 °

Chemung, Thursday, 29 October

Light rain. High 66°, low 48°.

Pressure30.09 inHg

Wind7.4 mph NW

Humidity84%

Visibility6.2 mi

Dew point57°

Fri, 3060° / 43°

0.13

60 °

Chemung, Friday, 30 October

Rain. High 60°, low 43°.

Pressure30.33 inHg

Wind5.8 mph SE

Humidity60%

Visibility6.2 mi

Dew point45°

Sat, 3159° / 51°

0.47

59 °

Chemung, Saturday, 31 October

Rain. High 59°, low 51°.

Pressure30.30 inHg

Wind5.8 mph SE

Humidity81%

Visibility6.2 mi

Dew point51°

Sun, 0165° / 50°

65 °

Chemung, Sunday, 1 November

Overcast. High 65°, low 50°.

Pressure30.33 inHg

Wind9.1 mph SE

Humidity76%

Visibility—

Dew point54°

Mon, 0268° / 55°

68 °

Chemung, Monday, 2 November

Overcast. High 68°, low 55°.

Pressure30.06 inHg

Wind16.3 mph SE

Humidity68%

Visibility—

Dew point55°

Tue, 0358° / 55°

1.46

58 °

Chemung, Tuesday, 3 November

Rain. High 58°, low 55°.

Pressure29.80 inHg

Wind21.9 mph E

Humidity95%

Visibility—

Dew point54°

Wed, 0459° / 55°

0.4

59 °

Chemung, Wednesday, 4 November

Rain. High 59°, low 55°.

Pressure29.85 inHg

Wind9.9 mph SE

Humidity93%

Visibility—

Dew point57°

Thu, 0556° / 44°

56 °

Chemung, Thursday, 5 November

Rain. High 56°, low 44°.

Pressure29.65 inHg

Wind21 mph N

Humidity94%

Visibility—

Dew point52°

Fri, 0647° / 37°

47 °

Chemung, Friday, 6 November

Overcast. High 47°, low 37°.

Pressure30.12 inHg

Wind19.7 mph N

Humidity58%

Visibility—

Dew point31°

Sat, 0742° / 34°

42 °

Chemung, Saturday, 7 November

Overcast. High 42°, low 34°.

Pressure30.09 inHg

Wind15.3 mph N

Humidity82%

Visibility—

Dew point35°

Sun, 0845° / 31°

45 °

Chemung, Sunday, 8 November

Clear. High 45°, low 31°.

Pressure30.24 inHg

Wind7.6 mph NW

Humidity54%

Visibility—

Dew point27°

Mon, 0949° / 33°

49 °

Chemung, Monday, 9 November

Overcast. High 49°, low 33°.

Pressure30.03 inHg

Wind18 mph S

Humidity55%

Visibility—

Dew point30°

Tue, 1050° / 45°

0.16

50 °

Chemung, Tuesday, 10 November

Light rain. High 50°, low 45°.

Pressure29.80 inHg

Wind18.3 mph S

Humidity89%

Visibility—

Dew point47°

Wed, 1143° / 35°

0.34

43 °

Chemung, Wednesday, 11 November

Rain. High 43°, low 35°.

Pressure29.77 inHg

Wind20.9 mph NE

Humidity89%

Visibility—

Dew point36°

Thu, 1237° / 26°

37 °

Chemung, Thursday, 12 November

Clear. High 37°, low 26°.

Pressure30.30 inHg

Wind16.6 mph N

Humidity43%

Visibility—

Dew point15°

From day 17 onward the outlook is built from 60-year climate statistics

Fri, 1344° / 31°

0.04

44 °

Chemung, Friday, 13 November

Climate normal for this date — 60-year average.

Average high44°

Average low31°

Average precipitation0.04 in

Chance of precipitation18%

Record high67° (1999)

Record low7° (1986)

Sat, 1445° / 32°

0.06

45 °

Chemung, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high45°

Average low32°

Average precipitation0.06 in

Chance of precipitation25%

Record high67° (1971)

Record low7° (1995)

Sun, 1545° / 33°

0.07

45 °

Chemung, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high45°

Average low33°

Average precipitation0.07 in

Chance of precipitation27%

Record high69° (2025)

Record low9° (1995)

Mon, 1645° / 32°

0.05

45 °

Chemung, Monday, 16 November

Climate normal for this date — 60-year average.

Average high45°

Average low32°

Average precipitation0.05 in

Chance of precipitation17%

Record high62° (1988)

Record low18° (1997)

Tue, 1746° / 33°

0.1

46 °

Chemung, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high46°

Average low33°

Average precipitation0.1 in

Chance of precipitation27%

Record high69° (2016)

Record low14° (2014)

Wed, 1846° / 33°

0.09

46 °

Chemung, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high46°

Average low33°

Average precipitation0.09 in

Chance of precipitation28%

Record high65° (1999)

Record low11° (2014)

Thu, 1945° / 32°

0.06

45 °

Chemung, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high45°

Average low32°

Average precipitation0.06 in

Chance of precipitation22%

Record high62° (1983)

Record low15° (1986)

Fri, 2044° / 32°

0.07

44 °

Chemung, Friday, 20 November

Climate normal for this date — 60-year average.

Average high44°

Average low32°

Average precipitation0.07 in

Chance of precipitation32%

Record high62° (1982)

Record low11° (2022)

Sat, 2142° / 29°

0.09

42 °

Chemung, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high42°

Average low29°

Average precipitation0.09 in

Chance of precipitation25%

Record high64° (1990)

Record low9° (1964)

Sun, 2242° / 29°

0.03

42 °

Chemung, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high42°

Average low29°

Average precipitation0.03 in

Chance of precipitation15%

Record high64° (2010)

Record low3° (2015)

Mon, 2342° / 30°

0.07

42 °

Chemung, Monday, 23 November

Climate normal for this date — 60-year average.

Average high42°

Average low30°

Average precipitation0.07 in

Chance of precipitation30%

Record high62° (2003)

Record low10° (1989)

Tue, 2441° / 29°

0.07

41 °

Chemung, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high41°

Average low29°

Average precipitation0.07 in

Chance of precipitation27%

Record high60° (1966)

Record low10° (1985)

Wed, 2541° / 29°

0.07

41 °

Chemung, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high41°

Average low29°

Average precipitation0.07 in

Chance of precipitation30%

Record high58° (1966)

Record low11° (1977)

Thu, 2641° / 29°

0.11

41 °

Chemung, Thursday, 26 November

Climate normal for this date — 60-year average.

Average high41°

Average low29°

Average precipitation0.11 in

Chance of precipitation40%

Record high62° (1990)

Record low1° (1977)

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 Chemung, 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 Chemung, 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.