Weather in Cary, IL
Cary, Monday, 19 October, 04:46
Clear. Feels like 41°. High 66°, low 42°.
Monthly outlook for Cary, IL: average high 58.9°, average low 42.2°. That is 1.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 22 October (67.6°), the coolest 29 October (27.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 62.3° | 57.3° | +2.8° |
| 29 October – 7 November | 53.3° | 53.3° | -0° |
| 8 November – 17 November | at normal | 47.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Elgin (13 mi).
0
Cary, Tuesday, 20 October
Clear. High 67°, low 45°.
0Cary, Wednesday, 21 October
Clear. High 67°, low 44°.
0
Cary, Thursday, 22 October
Partly cloudy. High 68°, low 47°.
0
Cary, Friday, 23 October
Overcast. High 65°, low 48°.
0Cary, Saturday, 24 October
Overcast. High 63°, low 46°.
0Cary, Sunday, 25 October
Overcast. High 64°, low 51°.
0
Cary, Monday, 26 October
Mostly clear. High 64°, low 46°.
0.76
Cary, Tuesday, 27 October
Rain. High 59°, low 43°.
0Cary, Wednesday, 28 October
Clear. High 42°, low 32°.
0Cary, Thursday, 29 October
Partly cloudy. High 44°, low 28°.
0Cary, Friday, 30 October
Clear. High 48°, low 29°.
0Cary, Saturday, 31 October
Overcast. High 48°, low 32°.
0Cary, Sunday, 1 November
Overcast. High 59°, low 43°.
0Cary, Monday, 2 November
Overcast. High 59°, low 48°.
0.07Cary, Tuesday, 3 November
Light rain. High 62°, low 53°.
0.09Cary, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Cary, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Cary, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Cary, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Cary, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Cary, Monday, 9 November
Climate normal for this date — 60-year average.
0.1
Cary, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Cary, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Cary, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Cary, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Cary, Saturday, 14 November
Climate normal for this date — 60-year average.
0.08Cary, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Cary, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Cary, Tuesday, 17 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 Cary, 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 Cary, 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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