Weather in Oak Forest, IN
Oak Forest, Thursday, 22 October, 12:20
Clear. Feels like 63°. High 68°, low 41°.
Monthly outlook for Oak Forest, IN: average high 62.2°, average low 44.3°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 26 October (70.4°), the coolest 5 November (33.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 66.1° | 60.6° | +3° |
| 1 November – 10 November | 55.8° | 56.5° | -0.3° |
| 11 November – 20 November | at normal | 51.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Brookville (5 mi).
0Oak Forest, Friday, 23 October
Clear. High 69°, low 41°.
0
Oak Forest, Saturday, 24 October
Partly cloudy. High 68°, low 44°.
0
Oak Forest, Sunday, 25 October
Mostly clear. High 69°, low 45°.
0
Oak Forest, Monday, 26 October
Overcast. High 70°, low 46°.
0Oak Forest, Tuesday, 27 October
Overcast. High 68°, low 47°.
0Oak Forest, Wednesday, 28 October
Overcast. High 70°, low 51°.
0.01
Oak Forest, Thursday, 29 October
Light rain. High 68°, low 49°.
0Oak Forest, Friday, 30 October
Overcast. High 58°, low 35°.
0.1Oak Forest, Saturday, 31 October
Light rain. High 53°, low 43°.
0.35Oak Forest, Sunday, 1 November
Rain. High 61°, low 54°.
0.01Oak Forest, Monday, 2 November
Light rain. High 65°, low 56°.
0Oak Forest, Tuesday, 3 November
Clear. High 64°, low 49°.
0Oak Forest, Wednesday, 4 November
Overcast. High 55°, low 41°.
0Oak Forest, Thursday, 5 November
Mostly clear. High 50°, low 33°.
0.19Oak Forest, Friday, 6 November
Rain. High 40°, low 36°.
0.13
Oak Forest, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Oak Forest, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Oak Forest, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Oak Forest, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.12Oak Forest, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Oak Forest, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Oak Forest, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Oak Forest, Saturday, 14 November
Climate normal for this date — 60-year average.
0.14Oak Forest, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1Oak Forest, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Oak Forest, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11Oak Forest, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1Oak Forest, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Oak Forest, Friday, 20 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 Oak Forest, IN 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 Forest, IN 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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