Weather in Letterkenny, PA
Letterkenny, Sunday, 15 November, 10:56
Overcast. Feels like 40°. High 47°, low 39°.
Monthly outlook for Letterkenny, PA: average high 54.1°, average low 37.3°. That is 3.1° above the climate normal for November. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 19 November (68°), the coolest 30 November (29.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 56.2° | 49.3° | +3.8° |
| 25 November – 4 December | 50.6° | 46.3° | +2.4° |
| 5 December – 14 December | at normal | 42° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Shippensburg University (11 mi).
0Letterkenny, Monday, 16 November
Overcast. High 52°, low 40°.
0
Letterkenny, Tuesday, 17 November
Clear. High 60°, low 34°.
0Letterkenny, Wednesday, 18 November
Clear. High 63°, low 35°.
0Letterkenny, Thursday, 19 November
Overcast. High 68°, low 36°.
0Letterkenny, Friday, 20 November
Clear. High 66°, low 47°.
0Letterkenny, Saturday, 21 November
Overcast. High 58°, low 41°.
0Letterkenny, Sunday, 22 November
Overcast. High 55°, low 42°.
0Letterkenny, Monday, 23 November
Overcast. High 48°, low 38°.
0Letterkenny, Tuesday, 24 November
Clear. High 46°, low 32°.
0Letterkenny, Wednesday, 25 November
Clear. High 50°, low 31°.
0
Letterkenny, Thursday, 26 November
Mostly clear. High 52°, low 33°.
0.04
Letterkenny, Friday, 27 November
Light rain. High 54°, low 36°.
0.11Letterkenny, Saturday, 28 November
Light rain. High 60°, low 49°.
0Letterkenny, Sunday, 29 November
Clear. High 48°, low 34°.
0Letterkenny, Monday, 30 November
Overcast. High 40°, low 29°.
0.15
Letterkenny, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11
Letterkenny, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Letterkenny, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Letterkenny, Friday, 4 December
Climate normal for this date — 60-year average.
0.13Letterkenny, Saturday, 5 December
Climate normal for this date — 60-year average.
0.11Letterkenny, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Letterkenny, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Letterkenny, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.16Letterkenny, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.15Letterkenny, Thursday, 10 December
Climate normal for this date — 60-year average.
0.15Letterkenny, Friday, 11 December
Climate normal for this date — 60-year average.
0.07Letterkenny, Saturday, 12 December
Climate normal for this date — 60-year average.
0.13Letterkenny, Sunday, 13 December
Climate normal for this date — 60-year average.
0.13Letterkenny, 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 Letterkenny, 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 Letterkenny, 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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