Weather in Portville, NY
Portville, Tuesday, 27 October, 04:21
Partly cloudy. Feels like 42°. High 57°, low 37°.
Monthly outlook for Portville, NY: average high 49.8°, average low 36.5°. That is 0.5° above the climate normal for October. Precipitation is expected on 7 days (about 2.0 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 29 October (65.6°), the coolest 9 November (18.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 56.2° | 50.3° | +3.3° |
| 6 November – 15 November | 39.1° | 45° | -3.3° |
| 16 November – 25 November | at normal | 41.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Otto (11 mi).
0
Portville, Wednesday, 28 October
Clear. High 63°, low 39°.
0Portville, Thursday, 29 October
Clear. High 66°, low 42°.
0.04
Portville, Friday, 30 October
Light rain. High 55°, low 39°.
0
Portville, Saturday, 31 October
Partly cloudy. High 59°, low 34°.
0.12Portville, Sunday, 1 November
Light rain. High 57°, low 46°.
0.5Portville, Monday, 2 November
Rain. High 52°, low 50°.
0.04Portville, Tuesday, 3 November
Light rain. High 50°, low 44°.
0
Portville, Wednesday, 4 November
Overcast. High 49°, low 36°.
0.5Portville, Thursday, 5 November
Rain. High 55°, low 44°.
0Portville, Friday, 6 November
Light rain. High 40°, low 28°.
0.25
Portville, Saturday, 7 November
Light snow. High 35°, low 30°.
0.22Portville, Sunday, 8 November
Snow. High 34°, low 25°.
0.03Portville, Monday, 9 November
Light rain. High 37°, low 19°.
0.25Portville, Tuesday, 10 November
Light rain. High 44°, low 36°.
0.03Portville, Wednesday, 11 November
Light rain. High 44°, low 34°.
0.13Portville, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08
Portville, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Portville, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Portville, 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.
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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