Weather in Oak Hills, IL
Oak Hills, Saturday, 8 August, 23:16
Clear. Feels like 78°. High 90°, low 70°.
Monthly outlook for Oak Hills, IL: average high 85.7°, average low 68°. That is 0.1° above the climate normal for August. Precipitation is expected on 9 days (about 2.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 11 August (101°), the coolest 21 August (57.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 86.9° | 85.4° | +0.8° |
| 18 August – 27 August | 83.7° | 85.7° | -1.1° |
| 28 August – 6 September | at normal | 83.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (11 mi).
0
Oak Hills, Sunday, 9 August
Partly cloudy. High 95°, low 72°.
0
Oak Hills, Monday, 10 August
Mostly clear. High 98°, low 75°.
0.08
Oak Hills, Tuesday, 11 August
Light rain. High 101°, low 73°.
0.12Oak Hills, Wednesday, 12 August
Light rain. High 89°, low 71°.
0.83Oak Hills, Thursday, 13 August
Rain. High 79°, low 70°.
0.44Oak Hills, Friday, 14 August
Rain. High 75°, low 69°.
0.17Oak Hills, Saturday, 15 August
Light rain. High 79°, low 67°.
0.04Oak Hills, Sunday, 16 August
Light rain. High 81°, low 66°.
0.04Oak Hills, Monday, 17 August
Light rain. High 82°, low 68°.
0.02Oak Hills, Tuesday, 18 August
Light rain. High 81°, low 69°.
0
Oak Hills, Wednesday, 19 August
Overcast. High 86°, low 69°.
0Oak Hills, Thursday, 20 August
Mostly clear. High 75°, low 58°.
0.07Oak Hills, Friday, 21 August
Light rain. High 75°, low 57°.
0.15Oak Hills, Saturday, 22 August
Light rain. High 91°, low 62°.
0.01Oak Hills, Sunday, 23 August
Light rain. High 93°, low 70°.
0.1Oak Hills, Monday, 24 August
Climate normal for this date — 60-year average.
0.06Oak Hills, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.11Oak Hills, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Oak Hills, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Oak Hills, Friday, 28 August
Climate normal for this date — 60-year average.
0.07Oak Hills, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12Oak Hills, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Oak Hills, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Oak Hills, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1
Oak Hills, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Oak Hills, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Oak Hills, Friday, 4 September
Climate normal for this date — 60-year average.
0.04Oak Hills, Saturday, 5 September
Climate normal for this date — 60-year average.
0.05Oak Hills, Sunday, 6 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 Oak 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 Oak 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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