Weather in Westmont, IL
Westmont, Wednesday, 28 October, 04:38
Overcast. Feels like 54°. High 74°, low 55°.
Monthly outlook for Westmont, IL: average high 58.9°, average low 48.6°. That is 3.4° above the climate normal for October. Precipitation is expected on 10 days (about 5.8 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 28 October (73.7°), the coolest 8 November (41.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 62.3° | 54.5° | +4.3° |
| 7 November – 16 November | 53.2° | 48.8° | +2.4° |
| 17 November – 26 November | at normal | 45.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — La Grange (5 mi).
0.04
Westmont, Thursday, 29 October
Light rain. High 68°, low 51°.
0.28Westmont, Friday, 30 October
Rain. High 63°, low 45°.
0.57Westmont, Saturday, 31 October
Heavy rain. High 56°, low 51°.
0Westmont, Sunday, 1 November
Overcast. High 65°, low 50°.
0.11Westmont, Monday, 2 November
Light rain. High 69°, low 56°.
1.65Westmont, Tuesday, 3 November
Rain. High 60°, low 57°.
1.65Westmont, Wednesday, 4 November
Rain. High 59°, low 57°.
0.64Westmont, Thursday, 5 November
Rain. High 59°, low 50°.
0.06Westmont, Friday, 6 November
Light rain. High 49°, low 43°.
0Westmont, Saturday, 7 November
Overcast. High 52°, low 42°.
0
Westmont, Sunday, 8 November
Clear. High 53°, low 41°.
0
Westmont, Monday, 9 November
Partly cloudy. High 56°, low 42°.
0.1Westmont, Tuesday, 10 November
Light rain. High 56°, low 45°.
0.39Westmont, Wednesday, 11 November
Rain. High 55°, low 47°.
0.33Westmont, Thursday, 12 November
Rain. High 47°, low 44°.
0.06Westmont, Friday, 13 November
Climate normal for this date — 60-year average.
0.07
Westmont, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Westmont, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Westmont, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Westmont, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Westmont, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Westmont, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Westmont, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Westmont, Saturday, 21 November
Climate normal for this date — 60-year average.
0.05
Westmont, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Westmont, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Westmont, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Westmont, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13Westmont, Thursday, 26 November
Climate normal for this date — 60-year average.
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.
Sun and moon today
Weather history
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