Weather in Cary, IL
Cary, Sunday, 11 October, 08:15
Clear. Feels like 54°. High 77°, low 54°.
Monthly outlook for Cary, IL: average high 61.7°, average low 47°. That is 1.3° above the climate normal for October. Precipitation is expected on 5 days (about 2.6 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 12 October (83.9°), the coolest 18 October (29.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 63.6° | 60.4° | +1.8° |
| 21 October – 30 October | 58.7° | 56.8° | +1° |
| 31 October – 9 November | at normal | 52.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Elgin (13 mi).
0
Cary, Monday, 12 October
Mostly clear. High 84°, low 64°.
0.04
Cary, Tuesday, 13 October
Rain. High 79°, low 65°.
0.18Cary, Wednesday, 14 October
Rain. High 70°, low 58°.
2.26Cary, Thursday, 15 October
Heavy rain. High 58°, low 55°.
0.01Cary, Friday, 16 October
Light rain. High 58°, low 47°.
0Cary, Saturday, 17 October
Clear. High 42°, low 31°.
0
Cary, Sunday, 18 October
Partly cloudy. High 48°, low 29°.
0Cary, Monday, 19 October
Mostly clear. High 58°, low 40°.
0Cary, Tuesday, 20 October
Clear. High 62°, low 44°.
0
Cary, Wednesday, 21 October
Overcast. High 60°, low 48°.
0.05Cary, Thursday, 22 October
Light rain. High 63°, low 51°.
0.04Cary, Friday, 23 October
Light rain. High 61°, low 52°.
0Cary, Saturday, 24 October
Clear. High 64°, low 42°.
0Cary, Sunday, 25 October
Overcast. High 50°, low 35°.
0Cary, Monday, 26 October
Clear. High 54°, low 38°.
0.08Cary, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Cary, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.05Cary, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Cary, Friday, 30 October
Climate normal for this date — 60-year average.
0.12
Cary, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17Cary, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Cary, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Cary, Tuesday, 3 November
Climate normal for this date — 60-year average.
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.
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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