Weather in Lyon Valley, PA
Lyon Valley, Wednesday, 4 November, 03:06
Clear. Feels like 50°. High 74°, low 50°.
Monthly outlook for Lyon Valley, PA: average high 56°, average low 39.6°. That is 2.3° above the climate normal for November. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 4 November (73.9°), the coolest 17 November (30.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 4 November – 13 November | 59.4° | 53.2° | +3.4° |
| 14 November – 23 November | 50.3° | 48.9° | +0.8° |
| 24 November – 3 December | at normal | 46.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Stiles (9 mi).
0.32
Lyon Valley, Thursday, 5 November
Rain. High 71°, low 54°.
0.06Lyon Valley, Friday, 6 November
Rain. High 69°, low 55°.
0
Lyon Valley, Saturday, 7 November
Clear. High 56°, low 45°.
0
Lyon Valley, Sunday, 8 November
Partly cloudy. High 55°, low 42°.
0
Lyon Valley, Monday, 9 November
Overcast. High 55°, low 39°.
0Lyon Valley, Tuesday, 10 November
Clear. High 60°, low 39°.
0Lyon Valley, Wednesday, 11 November
Clear. High 56°, low 40°.
0Lyon Valley, Thursday, 12 November
Overcast. High 47°, low 35°.
0Lyon Valley, Friday, 13 November
Overcast. High 52°, low 37°.
0Lyon Valley, Saturday, 14 November
Overcast. High 48°, low 32°.
0Lyon Valley, Sunday, 15 November
Overcast. High 40°, low 31°.
0Lyon Valley, Monday, 16 November
Clear. High 48°, low 33°.
0Lyon Valley, Tuesday, 17 November
Clear. High 54°, low 30°.
0
Lyon Valley, Wednesday, 18 November
Mostly clear. High 57°, low 35°.
0Lyon Valley, Thursday, 19 November
Overcast. High 55°, low 37°.
0.13Lyon Valley, Friday, 20 November
Climate normal for this date — 60-year average.
0.12Lyon Valley, Saturday, 21 November
Climate normal for this date — 60-year average.
0.13Lyon Valley, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Lyon Valley, Monday, 23 November
Climate normal for this date — 60-year average.
0.12
Lyon Valley, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.15Lyon Valley, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.2Lyon Valley, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11Lyon Valley, Friday, 27 November
Climate normal for this date — 60-year average.
0.22Lyon Valley, Saturday, 28 November
Climate normal for this date — 60-year average.
0.14Lyon Valley, Sunday, 29 November
Climate normal for this date — 60-year average.
0.13Lyon Valley, Monday, 30 November
Climate normal for this date — 60-year average.
0.16Lyon Valley, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Lyon Valley, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.14Lyon Valley, Thursday, 3 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 Lyon Valley, 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 Lyon Valley, 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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