Weather in Port Mahon, DE
Port Mahon, Sunday, 15 November, 09:45
Partly cloudy. Feels like 44°. High 50°, low 42°.
Monthly outlook for Port Mahon, DE: average high 54.5°, average low 43.2°. That is 0.9° above the climate normal for November. Precipitation is expected on 1 day (about 0.5 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 20 November (62.5°), the coolest 30 November (36.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 55.8° | 53.3° | +1.4° |
| 25 November – 4 December | 52.4° | 51.4° | +0.6° |
| 5 December – 14 December | at normal | 47° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Dover (7 mi).
0
Port Mahon, Monday, 16 November
Overcast. High 53°, low 43°.
0
Port Mahon, Tuesday, 17 November
Clear. High 55°, low 38°.
0Port Mahon, Wednesday, 18 November
Clear. High 58°, low 40°.
0Port Mahon, Thursday, 19 November
Clear. High 62°, low 41°.
0Port Mahon, Friday, 20 November
Clear. High 62°, low 45°.
0Port Mahon, Saturday, 21 November
Overcast. High 57°, low 47°.
0.01
Port Mahon, Sunday, 22 November
Light rain. High 59°, low 53°.
0Port Mahon, Monday, 23 November
Overcast. High 53°, low 44°.
0Port Mahon, Tuesday, 24 November
Clear. High 50°, low 40°.
0Port Mahon, Wednesday, 25 November
Overcast. High 49°, low 41°.
0Port Mahon, Thursday, 26 November
Clear. High 53°, low 41°.
0Port Mahon, Friday, 27 November
Overcast. High 55°, low 45°.
0.45Port Mahon, Saturday, 28 November
Rain. High 60°, low 55°.
0Port Mahon, Sunday, 29 November
Overcast. High 55°, low 42°.
0Port Mahon, Monday, 30 November
Overcast. High 43°, low 36°.
0.12Port Mahon, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.1Port Mahon, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.1Port Mahon, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Port Mahon, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Port Mahon, Saturday, 5 December
Climate normal for this date — 60-year average.
0.11Port Mahon, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Port Mahon, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Port Mahon, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.2
Port Mahon, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.13Port Mahon, Thursday, 10 December
Climate normal for this date — 60-year average.
0.19Port Mahon, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Port Mahon, Saturday, 12 December
Climate normal for this date — 60-year average.
0.12Port Mahon, Sunday, 13 December
Climate normal for this date — 60-year average.
0.15Port Mahon, 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 Port Mahon, 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 Port Mahon, 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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