Weather in Sylvis, PA
Sylvis, Wednesday, 14 October, 06:35
Mostly clear. Feels like 66°. High 76°, low 58°.
Monthly outlook for Sylvis, PA: average high 54.5°, average low 39°. That is 1° below the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 14 October (76°), the coolest 24 October (29.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 October – 23 October | 60.3° | 57.3° | +1.7° |
| 24 October – 2 November | 44.7° | 54.4° | -5.4° |
| 3 November – 12 November | at normal | 50.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Westover (2 mi).
0.04
Sylvis, Thursday, 15 October
Light rain. High 63°, low 48°.
0.09Sylvis, Friday, 16 October
Light rain. High 75°, low 51°.
0.02Sylvis, Saturday, 17 October
Light rain. High 49°, low 36°.
0
Sylvis, Sunday, 18 October
Clear. High 55°, low 32°.
0Sylvis, Monday, 19 October
Clear. High 64°, low 38°.
0
Sylvis, Tuesday, 20 October
Overcast. High 60°, low 46°.
0Sylvis, Wednesday, 21 October
Clear. High 64°, low 44°.
0.01Sylvis, Thursday, 22 October
Light rain. High 54°, low 41°.
0Sylvis, Friday, 23 October
Light rain. High 44°, low 32°.
0
Sylvis, Saturday, 24 October
Partly cloudy. High 48°, low 29°.
0.01Sylvis, Sunday, 25 October
Light rain. High 47°, low 33°.
0.13
Sylvis, Monday, 26 October
Snow. High 40°, low 35°.
0Sylvis, Tuesday, 27 October
Clear. High 46°, low 30°.
0Sylvis, Wednesday, 28 October
Overcast. High 43°, low 30°.
0Sylvis, Thursday, 29 October
Overcast. High 43°, low 38°.
0.11Sylvis, Friday, 30 October
Climate normal for this date — 60-year average.
0.1
Sylvis, Saturday, 31 October
Climate normal for this date — 60-year average.
0.1Sylvis, Sunday, 1 November
Climate normal for this date — 60-year average.
0.15Sylvis, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Sylvis, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Sylvis, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.09Sylvis, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Sylvis, Friday, 6 November
Climate normal for this date — 60-year average.
0.12Sylvis, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Sylvis, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Sylvis, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Sylvis, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Sylvis, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.17Sylvis, Thursday, 12 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 Sylvis, 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 Sylvis, 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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