Weather in Glen Lyon, PA
Glen Lyon, Sunday, 15 November, 09:03
Partly cloudy. Feels like 39°. High 45°, low 39°.
Monthly outlook for Glen Lyon, PA: average high 50.7°, average low 36.3°. That is 2.3° above the climate normal for November. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 20 November (57.9°), the coolest 30 November (28.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 52° | 47.2° | +2.6° |
| 25 November – 4 December | 48.7° | 44.4° | +2.3° |
| 5 December – 14 December | at normal | 39.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Plymouth (8 mi).
0
Glen Lyon, Monday, 16 November
Overcast. High 48°, low 38°.
0
Glen Lyon, Tuesday, 17 November
Mostly clear. High 55°, low 30°.
0Glen Lyon, Wednesday, 18 November
Mostly clear. High 54°, low 32°.
0Glen Lyon, Thursday, 19 November
Overcast. High 57°, low 35°.
0Glen Lyon, Friday, 20 November
Mostly clear. High 58°, low 40°.
0Glen Lyon, Saturday, 21 November
Overcast. High 57°, low 38°.
0Glen Lyon, Sunday, 22 November
Overcast. High 55°, low 43°.
0Glen Lyon, Monday, 23 November
Overcast. High 48°, low 36°.
0
Glen Lyon, Tuesday, 24 November
Clear. High 43°, low 34°.
0Glen Lyon, Wednesday, 25 November
Overcast. High 48°, low 32°.
0Glen Lyon, Thursday, 26 November
Partly cloudy. High 52°, low 33°.
0
Glen Lyon, Friday, 27 November
Light rain. High 52°, low 36°.
0.22Glen Lyon, Saturday, 28 November
Light rain. High 56°, low 51°.
0Glen Lyon, Sunday, 29 November
Partly cloudy. High 45°, low 34°.
0Glen Lyon, Monday, 30 November
Overcast. High 38°, low 29°.
0.11
Glen Lyon, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Glen Lyon, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.11Glen Lyon, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Glen Lyon, Friday, 4 December
Climate normal for this date — 60-year average.
0.11Glen Lyon, Saturday, 5 December
Climate normal for this date — 60-year average.
0.14Glen Lyon, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1Glen Lyon, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Glen Lyon, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.14Glen Lyon, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12Glen Lyon, Thursday, 10 December
Climate normal for this date — 60-year average.
0.16Glen Lyon, Friday, 11 December
Climate normal for this date — 60-year average.
0.1Glen Lyon, Saturday, 12 December
Climate normal for this date — 60-year average.
0.14Glen Lyon, Sunday, 13 December
Climate normal for this date — 60-year average.
0.16Glen Lyon, Monday, 14 December
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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