Weather in Swann Keys, DE
Swann Keys, Tuesday, 10 November, 19:03
Clear. Feels like 50°. High 67°, low 41°.
Monthly outlook for Swann Keys, DE: average high 54.4°, average low 42.8°. That is 0.5° below the climate normal for November. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 10 November (66.8°), the coolest 25 November (32.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 54.6° | 56.2° | -0.9° |
| 20 November – 29 November | 53.9° | 54° | -0° |
| 30 November – 9 December | at normal | 50.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — South Bethany (3 mi).
0
Swann Keys, Wednesday, 11 November
Clear. High 65°, low 41°.
0.29
Swann Keys, Thursday, 12 November
Rain. High 66°, low 47°.
0
Swann Keys, Friday, 13 November
Overcast. High 50°, low 43°.
0Swann Keys, Saturday, 14 November
Overcast. High 48°, low 39°.
0Swann Keys, Sunday, 15 November
Clear. High 49°, low 36°.
0
Swann Keys, Monday, 16 November
Mostly clear. High 49°, low 37°.
0.1Swann Keys, Tuesday, 17 November
Light rain. High 51°, low 46°.
0.24Swann Keys, Wednesday, 18 November
Rain. High 52°, low 48°.
0Swann Keys, Thursday, 19 November
Clear. High 50°, low 43°.
0
Swann Keys, Friday, 20 November
Partly cloudy. High 54°, low 43°.
0Swann Keys, Saturday, 21 November
Overcast. High 57°, low 47°.
0Swann Keys, Sunday, 22 November
Partly cloudy. High 63°, low 56°.
0.39Swann Keys, Monday, 23 November
Rain. High 64°, low 48°.
0Swann Keys, Tuesday, 24 November
Overcast. High 43°, low 36°.
0Swann Keys, Wednesday, 25 November
Clear. High 43°, low 33°.
0.13
Swann Keys, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11Swann Keys, Friday, 27 November
Climate normal for this date — 60-year average.
0.1Swann Keys, Saturday, 28 November
Climate normal for this date — 60-year average.
0.09Swann Keys, Sunday, 29 November
Climate normal for this date — 60-year average.
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.
0.19Swann Keys, Wednesday, 9 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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