Weather in Swann Keys, DE
Swann Keys, Wednesday, 21 October, 02:06
Clear. Feels like 57°. High 63°, low 46°.
Monthly outlook for Swann Keys, DE: average high 59.7°, average low 47.8°. That is 1.5° below the climate normal for October. Precipitation is expected on 1 day (about 0.8 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 27 October (66.6°), the coolest 26 October (39.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 61.4° | 62.9° | -0.9° |
| 31 October – 9 November | 57° | 60.5° | -1.9° |
| 10 November – 19 November | at normal | 56.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — South Bethany (3 mi).
0
Swann Keys, Thursday, 22 October
Clear. High 65°, low 44°.
0Swann Keys, Friday, 23 October
Clear. High 56°, low 46°.
0
Swann Keys, Saturday, 24 October
Partly cloudy. High 59°, low 45°.
0Swann Keys, Sunday, 25 October
Clear. High 62°, low 40°.
0Swann Keys, Monday, 26 October
Clear. High 65°, low 40°.
0Swann Keys, Tuesday, 27 October
Partly cloudy. High 67°, low 53°.
0
Swann Keys, Wednesday, 28 October
Overcast. High 58°, low 51°.
0Swann Keys, Thursday, 29 October
Partly cloudy. High 62°, low 51°.
0Swann Keys, Friday, 30 October
Clear. High 57°, low 48°.
0Swann Keys, Saturday, 31 October
Partly cloudy. High 55°, low 49°.
0Swann Keys, Sunday, 1 November
Partly cloudy. High 63°, low 54°.
0.8
Swann Keys, Monday, 2 November
Rain. High 66°, low 62°.
0Swann Keys, Tuesday, 3 November
Overcast. High 59°, low 49°.
0Swann Keys, Wednesday, 4 November
Overcast. High 49°, low 43°.
0Swann Keys, Thursday, 5 November
Overcast. High 50°, low 43°.
0.09Swann Keys, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Swann Keys, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Swann Keys, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Swann Keys, Monday, 9 November
Climate normal for this date — 60-year average.
0.11
Swann Keys, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.12Swann Keys, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.23Swann Keys, Thursday, 12 November
Climate normal for this date — 60-year average.
0.17Swann Keys, Friday, 13 November
Climate normal for this date — 60-year average.
0.06
Swann Keys, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Swann Keys, Sunday, 15 November
Climate normal for this date — 60-year average.
0.08Swann Keys, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Swann Keys, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Swann Keys, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Swann Keys, Thursday, 19 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 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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