Weather in Sylvester, PA
Sylvester, Tuesday, 20 October, 08:19
Clear. Feels like 35°. High 62°, low 36°.
Monthly outlook for Sylvester, PA: average high 51°, average low 31.6°. That is 2° below the climate normal for October. Precipitation is expected on 0 days (about 0.1 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 26 October (64.1°), the coolest 2 November (25.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 54.6° | 55.3° | -0.4° |
| 30 October – 8 November | 44.9° | 52.1° | -4° |
| 9 November – 18 November | at normal | 46.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Nelson (15 mi).
0Sylvester, Wednesday, 21 October
Clear. High 59°, low 28°.
0
Sylvester, Thursday, 22 October
Light rain. High 54°, low 37°.
0
Sylvester, Friday, 23 October
Partly cloudy. High 47°, low 32°.
0Sylvester, Saturday, 24 October
Clear. High 57°, low 28°.
0Sylvester, Sunday, 25 October
Clear. High 63°, low 36°.
0
Sylvester, Monday, 26 October
Overcast. High 64°, low 45°.
0.04Sylvester, Tuesday, 27 October
Light rain. High 59°, low 38°.
0.01
Sylvester, Wednesday, 28 October
Snow. High 38°, low 28°.
0Sylvester, Thursday, 29 October
Clear. High 43°, low 28°.
0Sylvester, Friday, 30 October
Overcast. High 46°, low 28°.
0Sylvester, Saturday, 31 October
Overcast. High 45°, low 30°.
0.03Sylvester, Sunday, 1 November
Light rain. High 42°, low 29°.
0Sylvester, Monday, 2 November
Clear. High 46°, low 26°.
0Sylvester, Tuesday, 3 November
Clear. High 49°, low 27°.
0.02Sylvester, Wednesday, 4 November
Light snow. High 41°, low 31°.
0.08
Sylvester, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Sylvester, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Sylvester, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Sylvester, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Sylvester, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Sylvester, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.12Sylvester, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Sylvester, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Sylvester, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Sylvester, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Sylvester, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Sylvester, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Sylvester, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Sylvester, Wednesday, 18 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 Sylvester, 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 Sylvester, 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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