Weather in Glen Lyon, PA
Glen Lyon, Thursday, 29 October, 19:18
Clear. Feels like 55°. High 68°, low 45°.
Monthly outlook for Glen Lyon, PA: average high 58.2°, average low 43.9°. That is 2.7° above the climate normal for October. Precipitation is expected on 5 days (about 2.5 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 29 October (68°), the coolest 7 November (33.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 60.8° | 55° | +3.3° |
| 8 November – 17 November | 53.7° | 49.9° | +2.1° |
| 18 November – 27 November | at normal | 46.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Plymouth (8 mi).
0.01
Glen Lyon, Friday, 30 October
Light rain. High 62°, low 41°.
0
Glen Lyon, Saturday, 31 October
Mostly clear. High 56°, low 37°.
0
Glen Lyon, Sunday, 1 November
Overcast. High 59°, low 39°.
0Glen Lyon, Monday, 2 November
Overcast. High 61°, low 43°.
0Glen Lyon, Tuesday, 3 November
Overcast. High 65°, low 47°.
0Glen Lyon, Wednesday, 4 November
Overcast. High 57°, low 49°.
0.3Glen Lyon, Thursday, 5 November
Rain. High 65°, low 55°.
0.27Glen Lyon, Friday, 6 November
Rain. High 65°, low 40°.
0
Glen Lyon, Saturday, 7 November
Clear. High 51°, low 34°.
0Glen Lyon, Sunday, 8 November
Overcast. High 55°, low 37°.
0.11Glen Lyon, Monday, 9 November
Light rain. High 54°, low 40°.
1.31Glen Lyon, Tuesday, 10 November
Rain. High 56°, low 53°.
0Glen Lyon, Wednesday, 11 November
Overcast. High 57°, low 49°.
0Glen Lyon, Thursday, 12 November
Overcast. High 52°, low 48°.
0.49Glen Lyon, Friday, 13 November
Rain. High 49°, low 47°.
0.08
Glen Lyon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13
Glen 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.
0.11Glen Lyon, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.13Glen Lyon, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.18Glen Lyon, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Glen Lyon, Friday, 27 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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