Weather in Swann Keys, DE
Swann Keys, Saturday, 14 November, 10:58
Overcast. Feels like 37°. High 48°, low 40°.
Monthly outlook for Swann Keys, DE: average high 55.8°, average low 43.6°. That is 0.7° above the climate normal for November. Precipitation is expected on 1 day (about 0.8 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 29 November (67.5°), the coolest 17 November (34.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 55.6° | 54.7° | +0.5° |
| 24 November – 3 December | 56.1° | 53.2° | +1.6° |
| 4 December – 13 December | at normal | 49.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — South Bethany (3 mi).
0
Swann Keys, Sunday, 15 November
Partly cloudy. High 51°, low 42°.
0Swann Keys, Monday, 16 November
Partly cloudy. High 52°, low 37°.
0
Swann Keys, Tuesday, 17 November
Clear. High 53°, low 35°.
0Swann Keys, Wednesday, 18 November
Clear. High 59°, low 37°.
0Swann Keys, Thursday, 19 November
Clear. High 63°, low 38°.
0Swann Keys, Friday, 20 November
Clear. High 62°, low 43°.
0Swann Keys, Saturday, 21 November
Clear. High 55°, low 49°.
0Swann Keys, Sunday, 22 November
Overcast. High 61°, low 52°.
0Swann Keys, Monday, 23 November
Clear. High 52°, low 43°.
0Swann Keys, Tuesday, 24 November
Clear. High 47°, low 36°.
0
Swann Keys, Wednesday, 25 November
Mostly clear. High 46°, low 39°.
0Swann Keys, Thursday, 26 November
Partly cloudy. High 57°, low 47°.
0Swann Keys, Friday, 27 November
Clear. High 57°, low 50°.
0Swann Keys, Saturday, 28 November
Clear. High 62°, low 55°.
0.84
Swann Keys, Sunday, 29 November
Rain. High 68°, low 54°.
0.12Swann Keys, Monday, 30 November
Climate normal for this date — 60-year average.
0.1Swann Keys, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Swann Keys, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08Swann Keys, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Swann Keys, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Swann Keys, Saturday, 5 December
Climate normal for this date — 60-year average.
0.09Swann Keys, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1Swann Keys, Monday, 7 December
Climate normal for this date — 60-year average.
0.1Swann Keys, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.19
Swann Keys, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.13Swann Keys, Thursday, 10 December
Climate normal for this date — 60-year average.
0.23Swann Keys, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Swann Keys, Saturday, 12 December
Climate normal for this date — 60-year average.
0.11Swann Keys, Sunday, 13 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 Swann Keys, 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 Swann Keys, 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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