Weather in Big Run, PA
Big Run, Sunday, 11 October, 17:28
Overcast. Feels like 57°. High 57°, low 53°.
Monthly outlook for Big Run, PA: average high 60.9°, average low 44.4°. That is 2.3° above the climate normal for October. Precipitation is expected on 4 days (about 3.0 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 13 October (75.8°), the coolest 18 October (25°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 60.7° | 57.8° | +1.6° |
| 21 October – 30 October | 61.2° | 54.2° | +3.9° |
| 31 October – 9 November | at normal | 51.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Oliver (11 mi).
0
Big Run, Monday, 12 October
Light rain. High 67°, low 52°.
0
Big Run, Tuesday, 13 October
Clear. High 76°, low 56°.
0.02Big Run, Wednesday, 14 October
Light rain. High 70°, low 57°.
0.04Big Run, Thursday, 15 October
Light rain. High 65°, low 53°.
1.06Big Run, Friday, 16 October
Rain. High 65°, low 46°.
0.03
Big Run, Saturday, 17 October
Light snow. High 43°, low 28°.
0Big Run, Sunday, 18 October
Overcast. High 48°, low 25°.
0Big Run, Monday, 19 October
Clear. High 56°, low 31°.
0
Big Run, Tuesday, 20 October
Partly cloudy. High 60°, low 36°.
0Big Run, Wednesday, 21 October
Overcast. High 59°, low 44°.
0Big Run, Thursday, 22 October
Overcast. High 64°, low 49°.
0Big Run, Friday, 23 October
Overcast. High 66°, low 47°.
0Big Run, Saturday, 24 October
Overcast. High 67°, low 50°.
0.38Big Run, Sunday, 25 October
Rain. High 59°, low 44°.
0Big Run, Monday, 26 October
Overcast. High 52°, low 39°.
0.14
Big Run, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.12Big Run, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.17Big Run, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Big Run, Friday, 30 October
Climate normal for this date — 60-year average.
0.13Big Run, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Big Run, Sunday, 1 November
Climate normal for this date — 60-year average.
0.16Big Run, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Big Run, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Big Run, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Big Run, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Big Run, Friday, 6 November
Climate normal for this date — 60-year average.
0.12Big Run, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Big Run, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Big Run, Monday, 9 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 Big Run, 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 Big Run, 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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