Weather in Great Valley, NY
Great Valley, Saturday, 31 October, 11:46
Partly cloudy. Feels like 42°. High 53°, low 37°.
Monthly outlook for Great Valley, NY: average high 54.8°, average low 42.8°. That is 4.5° above the climate normal for October. Precipitation is expected on 8 days (about 2.4 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 4 November (69°), the coolest 14 November (31.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 59.8° | 48.6° | +6.2° |
| 10 November – 19 November | 46.5° | 42.9° | +2° |
| 20 November – 29 November | at normal | 39.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Franklinville (10 mi).
0
Great Valley, Sunday, 1 November
Overcast. High 64°, low 39°.
0Great Valley, Monday, 2 November
Partly cloudy. High 64°, low 46°.
0Great Valley, Tuesday, 3 November
Overcast. High 65°, low 51°.
0Great Valley, Wednesday, 4 November
Overcast. High 69°, low 50°.
0.17
Great Valley, Thursday, 5 November
Light rain. High 60°, low 52°.
0.35Great Valley, Friday, 6 November
Rain. High 59°, low 48°.
0.45Great Valley, Saturday, 7 November
Light rain. High 57°, low 53°.
0.46Great Valley, Sunday, 8 November
Rain. High 53°, low 47°.
0.06Great Valley, Monday, 9 November
Light rain. High 54°, low 44°.
0
Great Valley, Tuesday, 10 November
Clear. High 56°, low 41°.
0
Great Valley, Wednesday, 11 November
Mostly clear. High 54°, low 38°.
0.23Great Valley, Thursday, 12 November
Light rain. High 44°, low 40°.
0Great Valley, Friday, 13 November
Overcast. High 40°, low 31°.
0.25Great Valley, Saturday, 14 November
Rain. High 45°, low 31°.
0.38
Great Valley, Sunday, 15 November
Snow. High 40°, low 37°.
0.15
Great Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.15Great Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Great Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Great Valley, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Great Valley, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Great Valley, Saturday, 21 November
Climate normal for this date — 60-year average.
0.14Great Valley, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Great Valley, Monday, 23 November
Climate normal for this date — 60-year average.
0.11Great Valley, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.1Great Valley, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.2Great Valley, Thursday, 26 November
Climate normal for this date — 60-year average.
0.13Great Valley, Friday, 27 November
Climate normal for this date — 60-year average.
0.25Great Valley, Saturday, 28 November
Climate normal for this date — 60-year average.
0.1Great Valley, Sunday, 29 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 Great Valley, NY 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 Great Valley, NY 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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