Weather in Williamsville, DE
Williamsville, Sunday, 15 November, 16:54
Overcast. Feels like 45°. High 50°, low 41°.
Monthly outlook for Williamsville, DE: average high 59.6°, average low 45.3°. That is 3.2° above the climate normal for November. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 27 November (71.5°), the coolest 17 November (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 57.2° | 54.1° | +1.8° |
| 25 November – 4 December | 63.6° | 52.4° | +6.2° |
| 5 December – 14 December | at normal | 48.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Ellendale (7 mi).
0
Williamsville, Monday, 16 November
Partly cloudy. High 52°, low 41°.
0
Williamsville, Tuesday, 17 November
Clear. High 54°, low 38°.
0Williamsville, Wednesday, 18 November
Clear. High 60°, low 38°.
0Williamsville, Thursday, 19 November
Clear. High 63°, low 39°.
0Williamsville, Friday, 20 November
Clear. High 64°, low 41°.
0Williamsville, Saturday, 21 November
Overcast. High 61°, low 44°.
0.71
Williamsville, Sunday, 22 November
Rain. High 61°, low 57°.
0Williamsville, Monday, 23 November
Overcast. High 57°, low 44°.
0Williamsville, Tuesday, 24 November
Clear. High 50°, low 40°.
0Williamsville, Wednesday, 25 November
Overcast. High 55°, low 43°.
0.01Williamsville, Thursday, 26 November
Light rain. High 68°, low 54°.
0.15Williamsville, Friday, 27 November
Light rain. High 72°, low 59°.
0Williamsville, Saturday, 28 November
Clear. High 61°, low 50°.
0Williamsville, Sunday, 29 November
Clear. High 60°, low 46°.
0.27Williamsville, Monday, 30 November
Rain. High 66°, low 49°.
0.11Williamsville, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Williamsville, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Williamsville, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Williamsville, Friday, 4 December
Climate normal for this date — 60-year average.
0.17Williamsville, Saturday, 5 December
Climate normal for this date — 60-year average.
0.11Williamsville, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Williamsville, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Williamsville, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.18
Williamsville, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.14Williamsville, Thursday, 10 December
Climate normal for this date — 60-year average.
0.22Williamsville, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Williamsville, Saturday, 12 December
Climate normal for this date — 60-year average.
0.13Williamsville, Sunday, 13 December
Climate normal for this date — 60-year average.
0.16Williamsville, 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 Williamsville, 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 Williamsville, 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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