Weather in Glen Lyon, PA
Glen Lyon, Friday, 23 October, 11:33
Clear. Feels like 52°. High 59°, low 42°.
Monthly outlook for Glen Lyon, PA: average high 60.3°, average low 46°. That is 2.3° above the climate normal for October. Precipitation is expected on 5 days (about 2.6 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 30 October (67.2°), the coolest 24 October (32.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 60.9° | 56.9° | +2.2° |
| 2 November – 11 November | 59.2° | 53.4° | +3.2° |
| 12 November – 21 November | at normal | 48.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Plymouth (8 mi).
0Glen Lyon, Saturday, 24 October
Clear. High 62°, low 32°.
0Glen Lyon, Sunday, 25 October
Clear. High 59°, low 34°.
0
Glen Lyon, Monday, 26 October
Overcast. High 64°, low 38°.
0
Glen Lyon, Tuesday, 27 October
Mostly clear. High 55°, low 40°.
0Glen Lyon, Wednesday, 28 October
Overcast. High 55°, low 36°.
0Glen Lyon, Thursday, 29 October
Overcast. High 64°, low 46°.
0Glen Lyon, Friday, 30 October
Mostly clear. High 67°, low 48°.
0.04
Glen Lyon, Saturday, 31 October
Light rain. High 63°, low 53°.
1.45Glen Lyon, Sunday, 1 November
Rain. High 60°, low 54°.
0.26Glen Lyon, Monday, 2 November
Rain. High 64°, low 56°.
0Glen Lyon, Tuesday, 3 November
Overcast. High 63°, low 54°.
0.53Glen Lyon, Wednesday, 4 November
Rain. High 57°, low 52°.
0.23Glen Lyon, Thursday, 5 November
Rain. High 55°, low 51°.
0.04Glen Lyon, Friday, 6 November
Light rain. High 55°, low 54°.
0.01Glen Lyon, Saturday, 7 November
Light rain. High 60°, low 47°.
0.15
Glen Lyon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Glen Lyon, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Glen 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.
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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