As of 05:41 CST

Weather in Westmont, IL

31°

Westmont, Sunday, 15 November, 05:41

Clear. Feels like 28°. High 51°, low 30°.

Pressure30.39 inHg

Wind3.4 mph W

Humidity75%

Visibility6.2 mi

Dew point25°

See detailed hourly forecast

Monthly outlook for Westmont, IL: average high 52.9°, average low 39.7°. That is 4.6° above the climate normal for November. 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 21 November (61.3°), the coolest 15 November (30.3°).

52.9°/39.7°

Average high / low

+4.6°

Above normal

1 / 5

Wet days / normal

0.1 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
15 November – 24 November	52.2°	46.1°	+3.4°
25 November – 4 December	54°	41°	+7.2°
5 December – 14 December	at normal	36.5°	—

November records over 66 years

74.8°5 November 1978All-time high

2.3°13 November 2019All-time low

Climate normals and records are computed from the nearest reference point — La Grange (5 mi).

Mon, 1652° / 32°

52 °

Westmont, Monday, 16 November

Clear. High 52°, low 32°.

Pressure30.50 inHg

Wind7.2 mph SW

Humidity59%

Visibility6.2 mi

Dew point35°

Tue, 1753° / 35°

53 °

Westmont, Tuesday, 17 November

Clear. High 53°, low 35°.

Pressure30.47 inHg

Wind7.5 mph SW

Humidity67%

Visibility6.2 mi

Dew point40°

Wed, 1855° / 39°

55 °

Westmont, Wednesday, 18 November

Overcast. High 55°, low 39°.

Pressure30.33 inHg

Wind10.9 mph S

Humidity62%

Visibility6.2 mi

Dew point41°

Thu, 1961° / 46°

61 °

Westmont, Thursday, 19 November

Clear. High 61°, low 46°.

Pressure30.18 inHg

Wind12.7 mph SW

Humidity63%

Visibility—

Dew point44°

Fri, 2054° / 37°

54 °

Westmont, Friday, 20 November

Mostly clear. High 54°, low 37°.

Pressure30.30 inHg

Wind7.1 mph S

Humidity64%

Visibility—

Dew point39°

Sat, 2161° / 51°

0.13

61 °

Westmont, Saturday, 21 November

Light rain. High 61°, low 51°.

Pressure29.94 inHg

Wind15.1 mph SW

Humidity46%

Visibility—

Dew point39°

Sun, 2249° / 39°

49 °

Westmont, Sunday, 22 November

Overcast. High 49°, low 39°.

Pressure30.21 inHg

Wind15.6 mph W

Humidity48%

Visibility—

Dew point27°

Mon, 2342° / 33°

42 °

Westmont, Monday, 23 November

Clear. High 42°, low 33°.

Pressure30.53 inHg

Wind9.4 mph NE

Humidity50%

Visibility—

Dew point23°

Tue, 2444° / 34°

44 °

Westmont, Tuesday, 24 November

Mostly clear. High 44°, low 34°.

Pressure30.53 inHg

Wind6 mph S

Humidity35%

Visibility—

Dew point15°

Wed, 2549° / 35°

49 °

Westmont, Wednesday, 25 November

Mostly clear. High 49°, low 35°.

Pressure30.39 inHg

Wind8.7 mph SW

Humidity29%

Visibility—

Dew point15°

Thu, 2656° / 41°

56 °

Westmont, Thursday, 26 November

Overcast. High 56°, low 41°.

Pressure30.27 inHg

Wind8.1 mph SW

Humidity54%

Visibility—

Dew point36°

Fri, 2754° / 44°

54 °

Westmont, Friday, 27 November

Overcast. High 54°, low 44°.

Pressure30.33 inHg

Wind4.6 mph S

Humidity50%

Visibility—

Dew point34°

Sat, 2856° / 45°

56 °

Westmont, Saturday, 28 November

Overcast. High 56°, low 45°.

Pressure30.39 inHg

Wind2.5 mph NW

Humidity43%

Visibility—

Dew point31°

Sun, 2956° / 45°

56 °

Westmont, Sunday, 29 November

Overcast. High 56°, low 45°.

Pressure30.30 inHg

Wind3.1 mph NW

Humidity54%

Visibility—

Dew point37°

Mon, 3053° / 48°

53 °

Westmont, Monday, 30 November

Overcast. High 53°, low 48°.

Pressure30.15 inHg

Wind6 mph NE

Humidity60%

Visibility—

Dew point38°

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

Tue, 0139° / 28°

0.15

39 °

Westmont, Tuesday, 1 December

Climate normal for this date — 60-year average.

Average high39°

Average low28°

Average precipitation0.15 in

Chance of precipitation40%

Record high64° (1970)

Record low11° (2025)

Wed, 0240° / 28°

0.07

40 °

Westmont, Wednesday, 2 December

Climate normal for this date — 60-year average.

Average high40°

Average low28°

Average precipitation0.07 in

Chance of precipitation33%

Record high68° (1982)

Record low9° (1976)

Thu, 0339° / 28°

0.09

39 °

Westmont, Thursday, 3 December

Climate normal for this date — 60-year average.

Average high39°

Average low28°

Average precipitation0.09 in

Chance of precipitation33%

Record high68° (2012)

Record low6° (2006)

Fri, 0439° / 27°

0.07

39 °

Westmont, Friday, 4 December

Climate normal for this date — 60-year average.

Average high39°

Average low27°

Average precipitation0.07 in

Chance of precipitation27%

Record high64° (1998)

Record low-2° (1991)

Sat, 0539° / 26°

0.09

39 °

Westmont, Saturday, 5 December

Climate normal for this date — 60-year average.

Average high39°

Average low26°

Average precipitation0.09 in

Chance of precipitation32%

Record high66° (2001)

Record low-2° (1991)

Sun, 0637° / 25°

0.07

37 °

Westmont, Sunday, 6 December

Climate normal for this date — 60-year average.

Average high37°

Average low25°

Average precipitation0.07 in

Chance of precipitation27%

Record high62° (1998)

Record low4° (2005)

Mon, 0735° / 25°

0.13

35 °

Westmont, Monday, 7 December

Climate normal for this date — 60-year average.

Average high35°

Average low25°

Average precipitation0.13 in

Chance of precipitation27%

Record high57° (1980)

Record low-3° (1972)

Tue, 0836° / 26°

0.08

36 °

Westmont, Tuesday, 8 December

Climate normal for this date — 60-year average.

Average high36°

Average low26°

Average precipitation0.08 in

Chance of precipitation28%

Record high63° (1991)

Record low2° (2006)

Wed, 0937° / 24°

0.09

37 °

Westmont, Wednesday, 9 December

Climate normal for this date — 60-year average.

Average high37°

Average low24°

Average precipitation0.09 in

Chance of precipitation40%

Record high53° (2023)

Record low-4° (1995)

Thu, 1036° / 24°

0.09

36 °

Westmont, Thursday, 10 December

Climate normal for this date — 60-year average.

Average high36°

Average low24°

Average precipitation0.09 in

Chance of precipitation28%

Record high58° (1971)

Record low-7° (1978)

Fri, 1135° / 24°

0.12

35 °

Westmont, Friday, 11 December

Climate normal for this date — 60-year average.

Average high35°

Average low24°

Average precipitation0.12 in

Chance of precipitation35%

Record high58° (2021)

Record low-11° (1972)

Sat, 1237° / 24°

0.1

37 °

Westmont, Saturday, 12 December

Climate normal for this date — 60-year average.

Average high37°

Average low24°

Average precipitation0.1 in

Chance of precipitation33%

Record high60° (2015)

Record low-4° (2000)

Sun, 1337° / 24°

0.06

37 °

Westmont, Sunday, 13 December

Climate normal for this date — 60-year average.

Average high37°

Average low24°

Average precipitation0.06 in

Chance of precipitation25%

Record high62° (2015)

Record low-8° (2000)

Mon, 1437° / 25°

0.11

37 °

Westmont, Monday, 14 December

Climate normal for this date — 60-year average.

Average high37°

Average low25°

Average precipitation0.11 in

Chance of precipitation32%

Record high63° (1975)

Record low-8° (1985)

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 Westmont, 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 Westmont, 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.