Weather in Sylvan Lane, PA
Sylvan Lane, Saturday, 14 November, 21:27
Overcast. Feels like 26°. High 40°, low 33°.
Monthly outlook for Sylvan Lane, PA: average high 46.6°, average low 31°. That is 0.9° above the climate normal for November. Precipitation is expected on 6 days (about 1.6 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 19 November (59.1°), the coolest 25 November (14.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 49.6° | 45.5° | +2.3° |
| 24 November – 3 December | 41.6° | 42.8° | -0.6° |
| 4 December – 13 December | at normal | 38.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Addison (10 mi).
0.09
Sylvan Lane, Sunday, 15 November
Light rain. High 40°, low 36°.
0Sylvan Lane, Monday, 16 November
Overcast. High 44°, low 38°.
0
Sylvan Lane, Tuesday, 17 November
Clear. High 52°, low 31°.
0Sylvan Lane, Wednesday, 18 November
Clear. High 57°, low 35°.
0Sylvan Lane, Thursday, 19 November
Overcast. High 59°, low 38°.
0Sylvan Lane, Friday, 20 November
Overcast. High 54°, low 41°.
0Sylvan Lane, Saturday, 21 November
Clear. High 56°, low 38°.
0.02Sylvan Lane, Sunday, 22 November
Light rain. High 57°, low 38°.
0.18
Sylvan Lane, Monday, 23 November
Snow. High 38°, low 19°.
0
Sylvan Lane, Tuesday, 24 November
Partly cloudy. High 27°, low 15°.
0Sylvan Lane, Wednesday, 25 November
Clear. High 38°, low 14°.
0Sylvan Lane, Thursday, 26 November
Overcast. High 42°, low 22°.
0.21Sylvan Lane, Friday, 27 November
Rain. High 50°, low 27°.
0.9Sylvan Lane, Saturday, 28 November
Heavy rain. High 55°, low 39°.
0.17Sylvan Lane, Sunday, 29 November
Light snow. High 38°, low 32°.
0.14Sylvan Lane, Monday, 30 November
Climate normal for this date — 60-year average.
0.19
Sylvan Lane, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.13Sylvan Lane, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Sylvan Lane, Thursday, 3 December
Climate normal for this date — 60-year average.
0.13Sylvan Lane, Friday, 4 December
Climate normal for this date — 60-year average.
0.14Sylvan Lane, Saturday, 5 December
Climate normal for this date — 60-year average.
0.14Sylvan Lane, Sunday, 6 December
Climate normal for this date — 60-year average.
0.13Sylvan Lane, Monday, 7 December
Climate normal for this date — 60-year average.
0.13Sylvan Lane, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.18Sylvan Lane, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.19Sylvan Lane, Thursday, 10 December
Climate normal for this date — 60-year average.
0.15Sylvan Lane, Friday, 11 December
Climate normal for this date — 60-year average.
0.12Sylvan Lane, Saturday, 12 December
Climate normal for this date — 60-year average.
0.14Sylvan Lane, Sunday, 13 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 Sylvan Lane, 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 Sylvan Lane, 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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