Weather in Portville, NY
Portville, Friday, 13 November, 04:04
Overcast. Feels like 25°. High 34°, low 31°.
Monthly outlook for Portville, NY: average high 43.3°, average low 29.5°. That is 1° above the climate normal for November. Precipitation is expected on 3 days (about 3.0 inches), against a normal of 7 days and 1.9 inches. The warmest day looks like 23 November (57.8°), the coolest 27 November (6.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 45° | 42° | +1.7° |
| 23 November – 2 December | 40.4° | 39.2° | +0.7° |
| 3 December – 12 December | at normal | 34.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Otto (11 mi).
0.06
Portville, Saturday, 14 November
Light rain. High 36°, low 30°.
0.02
Portville, Sunday, 15 November
Snow. High 36°, low 32°.
0Portville, Monday, 16 November
Overcast. High 40°, low 31°.
0Portville, Tuesday, 17 November
Overcast. High 46°, low 29°.
0
Portville, Wednesday, 18 November
Mostly clear. High 50°, low 28°.
0Portville, Thursday, 19 November
Overcast. High 52°, low 32°.
0Portville, Friday, 20 November
Overcast. High 48°, low 40°.
0Portville, Saturday, 21 November
Overcast. High 51°, low 33°.
0Portville, Sunday, 22 November
Overcast. High 58°, low 46°.
0Portville, Monday, 23 November
Overcast. High 58°, low 41°.
0.93Portville, Tuesday, 24 November
Heavy rain. High 58°, low 48°.
1.91Portville, Wednesday, 25 November
Snow. High 40°, low 22°.
0.01Portville, Thursday, 26 November
Light snow. High 23°, low 13°.
0Portville, Friday, 27 November
Mostly clear. High 29°, low 6°.
0
Portville, Saturday, 28 November
Partly cloudy. High 35°, low 10°.
0.09
Portville, Sunday, 29 November
Climate normal for this date — 60-year average.
0.12Portville, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Portville, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12Portville, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Portville, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Portville, Friday, 4 December
Climate normal for this date — 60-year average.
0.11Portville, Saturday, 5 December
Climate normal for this date — 60-year average.
0.14Portville, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1Portville, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Portville, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.14Portville, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.14Portville, Thursday, 10 December
Climate normal for this date — 60-year average.
0.15Portville, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Portville, Saturday, 12 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 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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