Weather in Portville, NY
Portville, Friday, 30 October, 14:26
Overcast. Feels like 43°. High 55°, low 41°.
Monthly outlook for Portville, NY: average high 51.4°, average low 34.9°. That is 2.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 2 November (66.1°), the coolest 12 November (21.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 56.3° | 49.1° | +4° |
| 9 November – 18 November | 43.3° | 43.7° | -0.2° |
| 19 November – 28 November | at normal | 40.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Otto (11 mi).
0
Portville, Saturday, 31 October
Partly cloudy. High 54°, low 35°.
0Portville, Sunday, 1 November
Overcast. High 62°, low 33°.
0
Portville, Monday, 2 November
Clear. High 66°, low 40°.
0Portville, Tuesday, 3 November
Overcast. High 66°, low 47°.
0Portville, Wednesday, 4 November
Overcast. High 64°, low 48°.
0.46
Portville, Thursday, 5 November
Rain. High 57°, low 55°.
0.83Portville, Friday, 6 November
Rain. High 54°, low 45°.
0Portville, Saturday, 7 November
Overcast. High 43°, low 31°.
0Portville, Sunday, 8 November
Overcast. High 41°, low 28°.
0Portville, Monday, 9 November
Overcast. High 43°, low 26°.
0.02Portville, Tuesday, 10 November
Light rain. High 45°, low 29°.
0.25
Portville, Wednesday, 11 November
Snow. High 38°, low 23°.
0
Portville, Thursday, 12 November
Mostly clear. High 41°, low 22°.
0Portville, Friday, 13 November
Partly cloudy. High 46°, low 27°.
0.03Portville, Saturday, 14 November
Light rain. High 46°, low 29°.
0.15
Portville, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Portville, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Portville, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Portville, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Portville, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Portville, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Portville, Saturday, 21 November
Climate normal for this date — 60-year average.
0.12Portville, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Portville, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Portville, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.1Portville, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.19Portville, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11Portville, Friday, 27 November
Climate normal for this date — 60-year average.
0.22Portville, Saturday, 28 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 Portville, 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 Portville, 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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