Weather in New Lenox, IL
New Lenox, Thursday, 15 October, 10:05
Overcast. Feels like 60°. High 69°, low 58°.
Monthly outlook for New Lenox, IL: average high 66.1°, average low 52.2°. That is 4.1° above the climate normal for October. Precipitation is expected on 5 days (about 1.5 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 27 October (73.2°), the coolest 17 October (38.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 66° | 59.8° | +3.4° |
| 25 October – 3 November | 66.3° | 56.1° | +5.7° |
| 4 November – 13 November | at normal | 51° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arbury Hills (7 mi).
0.04
New Lenox, Friday, 16 October
Light rain. High 62°, low 46°.
0
New Lenox, Saturday, 17 October
Clear. High 55°, low 38°.
0New Lenox, Sunday, 18 October
Clear. High 61°, low 42°.
0New Lenox, Monday, 19 October
Overcast. High 64°, low 42°.
0
New Lenox, Tuesday, 20 October
Mostly clear. High 66°, low 47°.
0
New Lenox, Wednesday, 21 October
Partly cloudy. High 69°, low 54°.
0New Lenox, Thursday, 22 October
Clear. High 71°, low 53°.
0New Lenox, Friday, 23 October
Partly cloudy. High 72°, low 56°.
0New Lenox, Saturday, 24 October
Overcast. High 71°, low 56°.
0New Lenox, Sunday, 25 October
Clear. High 63°, low 53°.
0New Lenox, Monday, 26 October
Overcast. High 65°, low 49°.
0.02New Lenox, Tuesday, 27 October
Light rain. High 73°, low 59°.
0.09New Lenox, Wednesday, 28 October
Light rain. High 61°, low 60°.
0.05New Lenox, Thursday, 29 October
Light rain. High 63°, low 60°.
1.04New Lenox, Friday, 30 October
Rain. High 72°, low 61°.
0.15
New Lenox, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17New Lenox, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12New Lenox, Monday, 2 November
Climate normal for this date — 60-year average.
0.07New Lenox, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09New Lenox, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12New Lenox, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08New 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.
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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