Weather in Rochester, PA
Rochester, Thursday, 22 October, 10:43
Fog. Feels like 50°. High 66°, low 36°.
Monthly outlook for Rochester, PA: average high 59.3°, average low 41.5°. That is 1.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 29 October (66.5°), the coolest 6 November (31.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 63.1° | 58.2° | +2.7° |
| 1 November – 10 November | 53.1° | 54.8° | -0.9° |
| 11 November – 20 November | at normal | 49.2° | — |
October records over 66 years
0
Rochester, Friday, 23 October
Clear. High 65°, low 40°.
0Rochester, Saturday, 24 October
Clear. High 62°, low 39°.
0Rochester, Sunday, 25 October
Clear. High 64°, low 39°.
0
Rochester, Monday, 26 October
Mostly clear. High 66°, low 42°.
0
Rochester, Tuesday, 27 October
Overcast. High 63°, low 48°.
0.06
Rochester, Wednesday, 28 October
Light rain. High 66°, low 47°.
0.07Rochester, Thursday, 29 October
Light rain. High 67°, low 49°.
0Rochester, Friday, 30 October
Clear. High 55°, low 37°.
0Rochester, Saturday, 31 October
Overcast. High 58°, low 37°.
0.38Rochester, Sunday, 1 November
Rain. High 56°, low 50°.
0.04Rochester, Monday, 2 November
Light rain. High 63°, low 49°.
0Rochester, Tuesday, 3 November
Clear. High 60°, low 43°.
0.02Rochester, Wednesday, 4 November
Light rain. High 48°, low 40°.
0Rochester, Thursday, 5 November
Overcast. High 44°, low 34°.
0.01Rochester, Friday, 6 November
Light rain. High 47°, low 32°.
0.12
Rochester, Saturday, 7 November
Climate normal for this date — 60-year average.
0.1
Rochester, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Rochester, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Rochester, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Rochester, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.13Rochester, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Rochester, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Rochester, Saturday, 14 November
Climate normal for this date — 60-year average.
0.14Rochester, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Rochester, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Rochester, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Rochester, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.13Rochester, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Rochester, Friday, 20 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 Rochester, 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 Rochester, 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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