Weather in Arbury Hills, IL
Arbury Hills, Sunday, 9 August, 18:18
Partly cloudy. Feels like 80°. High 82°, low 63°.
Monthly outlook for Arbury Hills, IL: average high 82.8°, average low 67.2°. That is 1.6° above the climate normal for August. Precipitation is expected on 8 days (about 2.9 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 10 August (90.5°), the coolest 23 August (61.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.2° | 80° | +1.8° |
| 19 August – 28 August | 82.1° | 80° | +1.2° |
| 29 August – 7 September | at normal | 78.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Orland Hills (4 mi).
0.73
Arbury Hills, Monday, 10 August
Rain. High 91°, low 73°.
0.47Arbury Hills, Tuesday, 11 August
Rain. High 85°, low 68°.
0
Arbury Hills, Wednesday, 12 August
Overcast. High 85°, low 66°.
0.17Arbury Hills, Thursday, 13 August
Light rain. High 80°, low 64°.
0.21Arbury Hills, Friday, 14 August
Light rain. High 77°, low 67°.
0.19Arbury Hills, Saturday, 15 August
Light rain. High 89°, low 70°.
0.01Arbury Hills, Sunday, 16 August
Light rain. High 80°, low 67°.
0Arbury Hills, Monday, 17 August
Overcast. High 77°, low 63°.
0.01Arbury Hills, Tuesday, 18 August
Light rain. High 86°, low 74°.
0Arbury Hills, Wednesday, 19 August
Overcast. High 85°, low 69°.
0.59Arbury Hills, Thursday, 20 August
Rain. High 85°, low 69°.
0.23Arbury Hills, Friday, 21 August
Rain. High 76°, low 68°.
0
Arbury Hills, Saturday, 22 August
Clear. High 79°, low 64°.
0Arbury Hills, Sunday, 23 August
Overcast. High 82°, low 61°.
0.04Arbury Hills, Monday, 24 August
Light rain. High 86°, low 67°.
0.09Arbury Hills, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
Arbury Hills, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12Arbury Hills, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Arbury Hills, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Arbury Hills, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Arbury Hills, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Arbury Hills, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Arbury Hills, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Arbury Hills, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Arbury Hills, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Arbury Hills, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Arbury Hills, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Arbury Hills, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15Arbury Hills, Monday, 7 September
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 Arbury Hills, 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 Arbury Hills, 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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