Weather in Williamsville, PA
Williamsville, Tuesday, 10 November, 06:14
Mostly clear. Feels like 33°. High 58°, low 38°.
Monthly outlook for Williamsville, PA: average high 46.6°, average low 34°. That is 2.4° above the climate normal for November. Precipitation is expected on 6 days (about 2.4 inches), against a normal of 7 days and 1.9 inches. The warmest day looks like 10 November (58.2°), the coolest 25 November (22.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 45.2° | 43.3° | +1° |
| 20 November – 29 November | 49° | 40.3° | +4.8° |
| 30 November – 9 December | at normal | 35.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sergeant (3 mi).
0
Williamsville, Wednesday, 11 November
Overcast. High 56°, low 38°.
0.29
Williamsville, Thursday, 12 November
Light rain. High 45°, low 34°.
0Williamsville, Friday, 13 November
Overcast. High 36°, low 30°.
0Williamsville, Saturday, 14 November
Overcast. High 37°, low 29°.
0Williamsville, Sunday, 15 November
Overcast. High 37°, low 32°.
0Williamsville, Monday, 16 November
Overcast. High 41°, low 33°.
0
Williamsville, Tuesday, 17 November
Clear. High 45°, low 30°.
0Williamsville, Wednesday, 18 November
Clear. High 48°, low 31°.
0Williamsville, Thursday, 19 November
Overcast. High 49°, low 32°.
0Williamsville, Friday, 20 November
Overcast. High 54°, low 35°.
0.71Williamsville, Saturday, 21 November
Rain. High 49°, low 43°.
0.22Williamsville, Sunday, 22 November
Light rain. High 53°, low 44°.
0.94Williamsville, Monday, 23 November
Rain. High 56°, low 41°.
0.09
Williamsville, Tuesday, 24 November
Snow. High 50°, low 30°.
0.13Williamsville, Wednesday, 25 November
Light snow. High 33°, low 23°.
0.2Williamsville, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Williamsville, Friday, 27 November
Climate normal for this date — 60-year average.
0.22Williamsville, Saturday, 28 November
Climate normal for this date — 60-year average.
0.1
Williamsville, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Williamsville, Monday, 30 November
Climate normal for this date — 60-year average.
0.16Williamsville, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12Williamsville, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Williamsville, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1Williamsville, Friday, 4 December
Climate normal for this date — 60-year average.
0.11Williamsville, Saturday, 5 December
Climate normal for this date — 60-year average.
0.14Williamsville, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Williamsville, Monday, 7 December
Climate normal for this date — 60-year average.
0.07
Williamsville, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.15Williamsville, 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 Williamsville, PA 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, PA 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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