Weather in Sylmar, PA
Sylmar, Tuesday, 20 October, 05:02
Clear. Feels like 42°. High 69°, low 45°.
Monthly outlook for Sylmar, PA: average high 57.9°, average low 40.2°. That is 1.1° below the climate normal for October. Precipitation is expected on 2 days (about 1.7 inches), against a normal of 4 days and 1.9 inches. The warmest day looks like 27 October (69.9°), the coolest 29 October (33.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61° | 60.5° | +0.3° |
| 30 October – 8 November | 52.8° | 57.6° | -2.6° |
| 9 November – 18 November | at normal | 52.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lincoln University (8 mi).
0
Sylmar, Wednesday, 21 October
Clear. High 64°, low 40°.
0Sylmar, Thursday, 22 October
Clear. High 65°, low 43°.
0
Sylmar, Friday, 23 October
Mostly clear. High 54°, low 41°.
0Sylmar, Saturday, 24 October
Clear. High 57°, low 37°.
0Sylmar, Sunday, 25 October
Clear. High 63°, low 39°.
0
Sylmar, Monday, 26 October
Overcast. High 66°, low 45°.
0Sylmar, Tuesday, 27 October
Mostly clear. High 70°, low 51°.
0Sylmar, Wednesday, 28 October
Overcast. High 51°, low 37°.
0Sylmar, Thursday, 29 October
Clear. High 50°, low 33°.
0Sylmar, Friday, 30 October
Overcast. High 54°, low 36°.
0Sylmar, Saturday, 31 October
Overcast. High 55°, low 46°.
0Sylmar, Sunday, 1 November
Clear. High 56°, low 39°.
0Sylmar, Monday, 2 November
Overcast. High 51°, low 35°.
0.07
Sylmar, Tuesday, 3 November
Light rain. High 54°, low 36°.
1.62Sylmar, Wednesday, 4 November
Heavy rain. High 47°, low 40°.
0.12
Sylmar, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Sylmar, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Sylmar, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Sylmar, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Sylmar, Monday, 9 November
Climate normal for this date — 60-year average.
0.16
Sylmar, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Sylmar, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.19Sylmar, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Sylmar, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Sylmar, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Sylmar, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Sylmar, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Sylmar, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Sylmar, 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 Sylmar, 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 Sylmar, 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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