Weather in Mount Joy, PA
Mount Joy, Tuesday, 20 October, 02:34
Clear. Feels like 50°. High 69°, low 45°.
Monthly outlook for Mount Joy, PA: average high 59.4°, average low 40.5°. That is 0.4° below the climate normal for October. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 20 October (69°), the coolest 29 October (30.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 60.8° | 60.7° | +0° |
| 30 October – 8 November | 57.1° | 57.7° | -0.4° |
| 9 November – 18 November | at normal | 52.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Germany (4 mi).
0
Mount Joy, Wednesday, 21 October
Clear. High 64°, low 38°.
0Mount Joy, Thursday, 22 October
Clear. High 65°, low 43°.
0
Mount Joy, Friday, 23 October
Mostly clear. High 54°, low 41°.
0
Mount Joy, Saturday, 24 October
Overcast. High 56°, low 36°.
0Mount Joy, Sunday, 25 October
Clear. High 61°, low 41°.
0Mount Joy, Monday, 26 October
Overcast. High 68°, low 45°.
0Mount Joy, Tuesday, 27 October
Overcast. High 66°, low 51°.
0Mount Joy, Wednesday, 28 October
Overcast. High 56°, low 37°.
0Mount Joy, Thursday, 29 October
Clear. High 49°, low 30°.
0Mount Joy, Friday, 30 October
Clear. High 51°, low 31°.
0Mount Joy, Saturday, 31 October
Clear. High 58°, low 34°.
0Mount Joy, Sunday, 1 November
Mostly clear. High 60°, low 38°.
0.14
Mount Joy, Monday, 2 November
Light rain. High 62°, low 40°.
0.58Mount Joy, Tuesday, 3 November
Rain. High 58°, low 51°.
0Mount Joy, Wednesday, 4 November
Mostly clear. High 53°, low 47°.
0.11
Mount Joy, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06
Mount Joy, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Mount Joy, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Mount Joy, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Mount Joy, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Mount Joy, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Mount Joy, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.19Mount Joy, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Mount Joy, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Mount Joy, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Mount Joy, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Mount Joy, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Mount Joy, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Mount Joy, Wednesday, 18 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 Mount Joy, 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 Mount Joy, 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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