Weather in New Lenox, IL
New Lenox, Tuesday, 20 October, 07:36
Clear. Feels like 43°. High 71°, low 42°.
Monthly outlook for New Lenox, IL: average high 58.8°, average low 41.9°. That is 1° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 21 October (71.7°), the coolest 28 October (29.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 62.6° | 58.1° | +2.5° |
| 30 October – 8 November | 52.5° | 54.2° | -0.9° |
| 9 November – 18 November | at normal | 48.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arbury Hills (7 mi).
0New Lenox, Wednesday, 21 October
Clear. High 72°, low 42°.
0New Lenox, Thursday, 22 October
Clear. High 69°, low 48°.
0New Lenox, Friday, 23 October
Clear. High 66°, low 49°.
0
New Lenox, Saturday, 24 October
Mostly clear. High 66°, low 46°.
0
New Lenox, Sunday, 25 October
Overcast. High 71°, low 51°.
0.03
New Lenox, Monday, 26 October
Light rain. High 70°, low 56°.
0New Lenox, Tuesday, 27 October
Light rain. High 50°, low 38°.
0New Lenox, Wednesday, 28 October
Clear. High 41°, low 29°.
0New Lenox, Thursday, 29 October
Clear. High 51°, low 30°.
0New Lenox, Friday, 30 October
Overcast. High 52°, low 42°.
0New Lenox, Saturday, 31 October
Clear. High 53°, low 42°.
0New Lenox, Sunday, 1 November
Overcast. High 53°, low 40°.
0New Lenox, Monday, 2 November
Mostly clear. High 51°, low 38°.
0New Lenox, Tuesday, 3 November
Clear. High 53°, low 38°.
0
New Lenox, Wednesday, 4 November
Partly cloudy. High 53°, low 40°.
0.12New Lenox, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08
New Lenox, Friday, 6 November
Climate normal for this date — 60-year average.
0.06New Lenox, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06New Lenox, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14New Lenox, Monday, 9 November
Climate normal for this date — 60-year average.
0.14New Lenox, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07New Lenox, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06New Lenox, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06New Lenox, Friday, 13 November
Climate normal for this date — 60-year average.
0.08New Lenox, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09New Lenox, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05New Lenox, Monday, 16 November
Climate normal for this date — 60-year average.
0.09New Lenox, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.14New Lenox, Wednesday, 18 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 New Lenox, 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 New Lenox, 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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