Weather in West St. Clair, PA
West St. Clair, Friday, 13 November, 22:15
Overcast. Feels like 29°. High 41°, low 36°.
Monthly outlook for West St. Clair, PA: average high 45.1°, average low 31.3°. That is 0.5° above the climate normal for November. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 22 November (59.2°), the coolest 25 November (20.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 49.9° | 44.8° | +2.8° |
| 23 November – 2 December | 37.2° | 42.1° | -2.7° |
| 3 December – 12 December | at normal | 37.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Central City (10 mi).
0.17
West St. Clair, Saturday, 14 November
Snow. High 40°, low 33°.
0.06
West St. Clair, Sunday, 15 November
Light rain. High 41°, low 35°.
0West St. Clair, Monday, 16 November
Overcast. High 44°, low 35°.
0
West St. Clair, Tuesday, 17 November
Clear. High 48°, low 31°.
0West St. Clair, Wednesday, 18 November
Clear. High 55°, low 32°.
0
West St. Clair, Thursday, 19 November
Mostly clear. High 58°, low 35°.
0West St. Clair, Friday, 20 November
Overcast. High 57°, low 39°.
0West St. Clair, Saturday, 21 November
Clear. High 57°, low 42°.
0.02West St. Clair, Sunday, 22 November
Light rain. High 59°, low 40°.
0.01West St. Clair, Monday, 23 November
Light snow. High 37°, low 24°.
0.01West St. Clair, Tuesday, 24 November
Light snow. High 30°, low 21°.
0.02West St. Clair, Wednesday, 25 November
Light snow. High 32°, low 20°.
0West St. Clair, Thursday, 26 November
Overcast. High 40°, low 26°.
0West St. Clair, Friday, 27 November
Overcast. High 39°, low 25°.
0.09West St. Clair, Saturday, 28 November
Light rain. High 45°, low 27°.
0.1
West St. Clair, Sunday, 29 November
Climate normal for this date — 60-year average.
0.12West St. Clair, Monday, 30 November
Climate normal for this date — 60-year average.
0.16West St. Clair, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11
West St. Clair, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.11West St. Clair, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1West St. Clair, Friday, 4 December
Climate normal for this date — 60-year average.
0.12West St. Clair, Saturday, 5 December
Climate normal for this date — 60-year average.
0.12West St. Clair, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1West St. Clair, Monday, 7 December
Climate normal for this date — 60-year average.
0.1West St. Clair, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.15West St. Clair, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.17West St. Clair, Thursday, 10 December
Climate normal for this date — 60-year average.
0.14West St. Clair, Friday, 11 December
Climate normal for this date — 60-year average.
0.09West St. Clair, Saturday, 12 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 West St. Clair, 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 West St. Clair, 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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