Weather in Mount Joy, DE
Mount Joy, Sunday, 11 October, 21:11
Overcast. Feels like 73°. High 71°, low 62°.
Monthly outlook for Mount Joy, DE: average high 69.8°, average low 53.2°. That is 2.6° above the climate normal for October. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 16 October (84°), the coolest 18 October (33.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 69.5° | 66.1° | +1.9° |
| 21 October – 30 October | 70.4° | 62.9° | +4.2° |
| 31 October – 9 November | at normal | 60.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dewey Beach (13 mi).
0.06
Mount Joy, Monday, 12 October
Light rain. High 73°, low 58°.
0
Mount Joy, Tuesday, 13 October
Clear. High 79°, low 57°.
0.02Mount Joy, Wednesday, 14 October
Light rain. High 82°, low 66°.
0Mount Joy, Thursday, 15 October
Clear. High 70°, low 61°.
0.26Mount Joy, Friday, 16 October
Rain. High 84°, low 60°.
0Mount Joy, Saturday, 17 October
Clear. High 56°, low 37°.
0Mount Joy, Sunday, 18 October
Clear. High 50°, low 33°.
0Mount Joy, Monday, 19 October
Clear. High 62°, low 38°.
0Mount Joy, Tuesday, 20 October
Clear. High 68°, low 44°.
0.02Mount Joy, Wednesday, 21 October
Light rain. High 67°, low 50°.
0Mount Joy, Thursday, 22 October
Overcast. High 66°, low 57°.
0Mount Joy, Friday, 23 October
Overcast. High 67°, low 57°.
0Mount Joy, Saturday, 24 October
Clear. High 76°, low 58°.
0Mount Joy, Sunday, 25 October
Overcast. High 81°, low 61°.
0Mount Joy, Monday, 26 October
Clear. High 66°, low 53°.
0.16
Mount Joy, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.13Mount Joy, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.28
Mount Joy, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1Mount Joy, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Mount Joy, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Mount Joy, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Mount Joy, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Mount Joy, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Mount Joy, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13
Mount Joy, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Mount Joy, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Mount Joy, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Mount Joy, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Mount Joy, Monday, 9 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, DE 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, DE 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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