Weather in Glen Lyon, PA
Glen Lyon, Sunday, 25 October, 21:37
Clear. Feels like 39°. High 64°, low 32°.
Monthly outlook for Glen Lyon, PA: average high 55.8°, average low 37.8°. That is 0.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 26 October (69.2°), the coolest 6 November (28.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 61.4° | 56.5° | +2.7° |
| 4 November – 13 November | 46.4° | 51.9° | -3° |
| 14 November – 23 November | at normal | 47.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Plymouth (8 mi).
0
Glen Lyon, Monday, 26 October
Clear. High 69°, low 33°.
0Glen Lyon, Tuesday, 27 October
Clear. High 62°, low 39°.
0
Glen Lyon, Wednesday, 28 October
Overcast. High 60°, low 40°.
0Glen Lyon, Thursday, 29 October
Overcast. High 64°, low 47°.
0.02
Glen Lyon, Friday, 30 October
Light rain. High 68°, low 49°.
0Glen Lyon, Saturday, 31 October
Overcast. High 61°, low 42°.
0Glen Lyon, Sunday, 1 November
Overcast. High 59°, low 41°.
0.48Glen Lyon, Monday, 2 November
Rain. High 54°, low 46°.
0.27Glen Lyon, Tuesday, 3 November
Light rain. High 52°, low 42°.
0Glen Lyon, Wednesday, 4 November
Overcast. High 47°, low 37°.
0
Glen Lyon, Thursday, 5 November
Partly cloudy. High 45°, low 30°.
0Glen Lyon, Friday, 6 November
Clear. High 47°, low 28°.
0Glen Lyon, Saturday, 7 November
Clear. High 51°, low 31°.
0.32Glen Lyon, Sunday, 8 November
Rain. High 42°, low 34°.
0.04Glen Lyon, Monday, 9 November
Light rain. High 46°, low 32°.
0.16
Glen Lyon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Glen Lyon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Glen Lyon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Glen Lyon, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Glen Lyon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Glen Lyon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Glen Lyon, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Glen Lyon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Glen Lyon, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Glen Lyon, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Glen Lyon, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Glen Lyon, Saturday, 21 November
Climate normal for this date — 60-year average.
0.12Glen Lyon, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Glen Lyon, Monday, 23 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 Glen Lyon, 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 Glen Lyon, 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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