Weather in Countryside, IL
Countryside, Saturday, 17 October, 18:04
Clear. Feels like 51°. High 56°, low 36°.
Monthly outlook for Countryside, IL: average high 64.7°, average low 49.7°. That is 3.9° above the climate normal for October. Precipitation is expected on 4 days (about 1.9 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 25 October (74.6°), the coolest 17 October (35.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 66° | 58.7° | +4.1° |
| 27 October – 5 November | 62.6° | 54.9° | +4.3° |
| 6 November – 15 November | at normal | 49.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — La Grange (2 mi).
0Countryside, Sunday, 18 October
Clear. High 64°, low 43°.
0
Countryside, Monday, 19 October
Partly cloudy. High 62°, low 42°.
0Countryside, Tuesday, 20 October
Partly cloudy. High 64°, low 47°.
0Countryside, Wednesday, 21 October
Clear. High 66°, low 45°.
0.01
Countryside, Thursday, 22 October
Light rain. High 64°, low 50°.
0
Countryside, Friday, 23 October
Overcast. High 71°, low 50°.
0Countryside, Saturday, 24 October
Overcast. High 71°, low 59°.
0Countryside, Sunday, 25 October
Overcast. High 75°, low 61°.
0.15Countryside, Monday, 26 October
Light rain. High 67°, low 56°.
0Countryside, Tuesday, 27 October
Partly cloudy. High 55°, low 50°.
0Countryside, Wednesday, 28 October
Overcast. High 57°, low 45°.
0.31Countryside, Thursday, 29 October
Rain. High 58°, low 46°.
0.39Countryside, Friday, 30 October
Rain. High 68°, low 57°.
1.07Countryside, Saturday, 31 October
Rain. High 69°, low 57°.
0Countryside, Sunday, 1 November
Partly cloudy. High 69°, low 52°.
0.12
Countryside, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Countryside, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Countryside, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Countryside, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Countryside, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Countryside, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Countryside, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Countryside, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Countryside, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Countryside, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Countryside, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Countryside, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Countryside, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Countryside, Sunday, 15 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 Countryside, 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 Countryside, 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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