Weather in Lancaster, PA
Lancaster, Thursday, 8 October, 11:11
Clear. Feels like 69°. High 74°, low 53°.
Monthly outlook for Lancaster, PA: average high 66°, average low 48.9°. That is 1.1° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 13 October (75.8°), the coolest 18 October (35.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 68.4° | 65.2° | +1.8° |
| 18 October – 27 October | 62.1° | 61.4° | +0.4° |
| 28 October – 6 November | at normal | 58.5° | — |
October records over 66 years
0Lancaster, Friday, 9 October
Clear. High 73°, low 44°.
0
Lancaster, Saturday, 10 October
Overcast. High 70°, low 46°.
0.53
Lancaster, Sunday, 11 October
Rain. High 62°, low 57°.
0.01Lancaster, Monday, 12 October
Light rain. High 71°, low 60°.
0.05Lancaster, Tuesday, 13 October
Light rain. High 76°, low 60°.
0Lancaster, Wednesday, 14 October
Clear. High 60°, low 47°.
0Lancaster, Thursday, 15 October
Overcast. High 56°, low 43°.
0Lancaster, Friday, 16 October
Overcast. High 76°, low 51°.
0.01Lancaster, Saturday, 17 October
Light rain. High 66°, low 39°.
0Lancaster, Sunday, 18 October
Clear. High 56°, low 36°.
0Lancaster, Monday, 19 October
Overcast. High 61°, low 42°.
0.01Lancaster, Tuesday, 20 October
Light rain. High 58°, low 49°.
0.24Lancaster, Wednesday, 21 October
Light rain. High 62°, low 54°.
0.01Lancaster, Thursday, 22 October
Light rain. High 71°, low 54°.
0.01Lancaster, Friday, 23 October
Light rain. High 65°, low 48°.
0.12
Lancaster, Saturday, 24 October
Climate normal for this date — 60-year average.
0.13Lancaster, Sunday, 25 October
Climate normal for this date — 60-year average.
0.11
Lancaster, Monday, 26 October
Climate normal for this date — 60-year average.
0.19Lancaster, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Lancaster, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.23Lancaster, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Lancaster, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Lancaster, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07Lancaster, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Lancaster, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Lancaster, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07Lancaster, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Lancaster, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Lancaster, Friday, 6 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 Lancaster, 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 Lancaster, 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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