Weather in Williamsville, PA
Williamsville, Friday, 30 October, 02:50
Overcast. Feels like 58°. High 59°, low 36°.
Monthly outlook for Williamsville, PA: average high 52.9°, average low 38.1°. That is 3° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 3 November (67.5°), the coolest 12 November (27.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 58.8° | 49.2° | +5.4° |
| 9 November – 18 November | 43° | 43.8° | -0.5° |
| 19 November – 28 November | at normal | 40.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sergeant (3 mi).
0
Williamsville, Saturday, 31 October
Mostly clear. High 56°, low 29°.
0Williamsville, Sunday, 1 November
Overcast. High 63°, low 41°.
0Williamsville, Monday, 2 November
Overcast. High 66°, low 44°.
0Williamsville, Tuesday, 3 November
Overcast. High 67°, low 47°.
0
Williamsville, Wednesday, 4 November
Clear. High 64°, low 50°.
0.03
Williamsville, Thursday, 5 November
Light rain. High 58°, low 53°.
0.12Williamsville, Friday, 6 November
Light rain. High 60°, low 52°.
0Williamsville, Saturday, 7 November
Overcast. High 48°, low 40°.
0Williamsville, Sunday, 8 November
Clear. High 47°, low 30°.
0.24Williamsville, Monday, 9 November
Rain. High 48°, low 32°.
0.2
Williamsville, Tuesday, 10 November
Snow. High 42°, low 35°.
0.01Williamsville, Wednesday, 11 November
Light snow. High 40°, low 28°.
0Williamsville, Thursday, 12 November
Overcast. High 42°, low 28°.
0.45Williamsville, Friday, 13 November
Snow. High 42°, low 34°.
0.01Williamsville, Saturday, 14 November
Light rain. High 46°, low 31°.
0.15
Williamsville, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Williamsville, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Williamsville, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Williamsville, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.12Williamsville, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Williamsville, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Williamsville, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11Williamsville, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Williamsville, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Williamsville, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.11Williamsville, Wednesday, 25 November
Climate normal for this date — 60-year average.
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.
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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