Weather in Slate Valley, PA
Slate Valley, Tuesday, 20 October, 18:44
Clear. Feels like 54°. High 68°, low 43°.
Monthly outlook for Slate Valley, PA: average high 58.1°, average low 38.9°. That is 0.2° below the climate normal for October. Precipitation is expected on 2 days (about 2.3 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 20 October (67.8°), the coolest 31 October (28°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61° | 59.3° | +1° |
| 30 October – 8 November | 53.2° | 56° | -1.5° |
| 9 November – 18 November | at normal | 50.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Stiles (7 mi).
0
Slate Valley, Wednesday, 21 October
Clear. High 66°, low 37°.
0
Slate Valley, Thursday, 22 October
Mostly clear. High 62°, low 34°.
0Slate Valley, Friday, 23 October
Clear. High 58°, low 38°.
0Slate Valley, Saturday, 24 October
Clear. High 56°, low 36°.
0Slate Valley, Sunday, 25 October
Clear. High 61°, low 36°.
0Slate Valley, Monday, 26 October
Clear. High 66°, low 41°.
0
Slate Valley, Tuesday, 27 October
Overcast. High 67°, low 49°.
0.02
Slate Valley, Wednesday, 28 October
Light rain. High 53°, low 46°.
0.63Slate Valley, Thursday, 29 October
Heavy rain. High 55°, low 42°.
0Slate Valley, Friday, 30 October
Mostly clear. High 47°, low 32°.
0Slate Valley, Saturday, 31 October
Clear. High 50°, low 28°.
0Slate Valley, Sunday, 1 November
Overcast. High 57°, low 37°.
1.66Slate Valley, Monday, 2 November
Heavy rain. High 62°, low 54°.
0Slate Valley, Tuesday, 3 November
Clear. High 58°, low 39°.
0Slate Valley, Wednesday, 4 November
Mostly clear. High 47°, low 31°.
0.12
Slate Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Slate Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Slate Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15Slate Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Slate Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.18Slate Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Slate Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Slate Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.11Slate Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Slate Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Slate Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.16Slate Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Slate Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Slate Valley, 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 Slate Valley, 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 Slate Valley, 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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