Weather in Oak Forest, PA
Oak Forest, Tuesday, 20 October, 14:10
Clear. Feels like 65°. High 67°, low 35°.
Monthly outlook for Oak Forest, PA: average high 57.3°, average low 35.7°. That is 0.6° below the climate normal for October. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 20 October (67°), the coolest 31 October (27.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 60.4° | 58.8° | +0.9° |
| 30 October – 8 November | 52.2° | 56.3° | -2.3° |
| 9 November – 18 November | at normal | 51° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dunkard (14 mi).
0Oak Forest, Wednesday, 21 October
Clear. High 66°, low 33°.
0Oak Forest, Thursday, 22 October
Clear. High 63°, low 34°.
0Oak Forest, Friday, 23 October
Clear. High 56°, low 40°.
0Oak Forest, Saturday, 24 October
Clear. High 63°, low 37°.
0Oak Forest, Sunday, 25 October
Clear. High 66°, low 37°.
0
Oak Forest, Monday, 26 October
Overcast. High 66°, low 45°.
0.22
Oak Forest, Tuesday, 27 October
Rain. High 61°, low 42°.
0.04Oak Forest, Wednesday, 28 October
Light rain. High 45°, low 32°.
0Oak Forest, Thursday, 29 October
Clear. High 51°, low 29°.
0.01Oak Forest, Friday, 30 October
Light rain. High 44°, low 31°.
0Oak Forest, Saturday, 31 October
Clear. High 47°, low 27°.
0Oak Forest, Sunday, 1 November
Overcast. High 50°, low 35°.
0Oak Forest, Monday, 2 November
Overcast. High 51°, low 36°.
0Oak Forest, Tuesday, 3 November
Clear. High 61°, low 37°.
0.01Oak Forest, Wednesday, 4 November
Light rain. High 61°, low 42°.
0.12
Oak Forest, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Oak Forest, Friday, 6 November
Climate normal for this date — 60-year average.
0.15Oak Forest, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Oak Forest, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Oak 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.
0.17Oak Forest, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.16Oak Forest, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Oak Forest, Friday, 13 November
Climate normal for this date — 60-year average.
0.1
Oak Forest, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Oak Forest, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Oak Forest, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Oak Forest, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Oak Forest, Wednesday, 18 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, PA 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, PA 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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