Weather in New Lancaster, PA
New Lancaster, Sunday, 9 August, 00:26
Overcast. Feels like 74°. High 84°, low 70°.
Monthly outlook for New Lancaster, PA: average high 81.4°, average low 62.9°. That is 0.3° below the climate normal for August. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 10 August (89.2°), the coolest 22 August (52.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.3° | 82.7° | -0.8° |
| 19 August – 28 August | 81.7° | 81.4° | +0.2° |
| 29 August – 7 September | at normal | 80° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Shippensburg University (6 mi).
0.12
New Lancaster, Monday, 10 August
Rain. High 89°, low 69°.
0.38New Lancaster, Tuesday, 11 August
Rain. High 86°, low 66°.
0.01New Lancaster, Wednesday, 12 August
Light rain. High 86°, low 68°.
0
New Lancaster, Thursday, 13 August
Partly cloudy. High 80°, low 63°.
0
New Lancaster, Friday, 14 August
Mostly clear. High 79°, low 56°.
0
New Lancaster, Saturday, 15 August
Clear. High 79°, low 57°.
0New Lancaster, Sunday, 16 August
Overcast. High 82°, low 57°.
0.14New Lancaster, Monday, 17 August
Light rain. High 77°, low 65°.
0.02New Lancaster, Tuesday, 18 August
Light rain. High 70°, low 64°.
0.2New Lancaster, Wednesday, 19 August
Rain. High 86°, low 66°.
0.4New Lancaster, Thursday, 20 August
Rain. High 74°, low 64°.
0New Lancaster, Friday, 21 August
Clear. High 78°, low 56°.
0New Lancaster, Saturday, 22 August
Overcast. High 81°, low 53°.
0.02New Lancaster, Sunday, 23 August
Light rain. High 87°, low 64°.
0New Lancaster, Monday, 24 August
Clear. High 86°, low 69°.
0.06New Lancaster, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06New Lancaster, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15
New Lancaster, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16New Lancaster, Friday, 28 August
Climate normal for this date — 60-year average.
0.08New Lancaster, Saturday, 29 August
Climate normal for this date — 60-year average.
0.05New Lancaster, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09New Lancaster, Monday, 31 August
Climate normal for this date — 60-year average.
0.13New Lancaster, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1New Lancaster, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.06New Lancaster, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11New Lancaster, Friday, 4 September
Climate normal for this date — 60-year average.
0.07New Lancaster, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2New Lancaster, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1New Lancaster, Monday, 7 September
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 New 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 New 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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