Weather in Sylvan Lane, PA
Sylvan Lane, Wednesday, 11 November, 23:37
Overcast. Feels like 48°. High 62°, low 35°.
Monthly outlook for Sylvan Lane, PA: average high 52.2°, average low 36.1°. That is 3.6° above the climate normal for November. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 11 November (62.1°), the coolest 14 November (28.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 50.3° | 46.4° | +2.1° |
| 21 November – 30 November | 55.5° | 43.8° | +6.5° |
| 1 December – 10 December | at normal | 39.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Addison (10 mi).
0.17
Sylvan Lane, Thursday, 12 November
Light rain. High 51°, low 37°.
0
Sylvan Lane, Friday, 13 November
Light snow. High 44°, low 31°.
0.13Sylvan Lane, Saturday, 14 November
Snow. High 38°, low 29°.
0.09Sylvan Lane, Sunday, 15 November
Snow. High 40°, low 35°.
0Sylvan Lane, Monday, 16 November
Overcast. High 44°, low 33°.
0
Sylvan Lane, Tuesday, 17 November
Clear. High 50°, low 31°.
0Sylvan Lane, Wednesday, 18 November
Clear. High 55°, low 33°.
0Sylvan Lane, Thursday, 19 November
Clear. High 58°, low 36°.
0Sylvan Lane, Friday, 20 November
Overcast. High 60°, low 37°.
0
Sylvan Lane, Saturday, 21 November
Partly cloudy. High 55°, low 39°.
0Sylvan Lane, Sunday, 22 November
Overcast. High 60°, low 41°.
0Sylvan Lane, Monday, 23 November
Overcast. High 61°, low 47°.
0Sylvan Lane, Tuesday, 24 November
Overcast. High 59°, low 46°.
0.13Sylvan Lane, Wednesday, 25 November
Light rain. High 60°, low 39°.
0.02Sylvan Lane, Thursday, 26 November
Snow. High 38°, low 30°.
0.15Sylvan Lane, Friday, 27 November
Climate normal for this date — 60-year average.
0.19Sylvan Lane, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11
Sylvan Lane, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Sylvan Lane, Monday, 30 November
Climate normal for this date — 60-year average.
0.19Sylvan 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.
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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