Weather in Rochester, WI
Rochester, Monday, 19 October, 10:55
Clear. Feels like 58°. High 65°, low 40°.
Monthly outlook for Rochester, WI: average high 55.9°, average low 38.9°. That is 0.5° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 20 October (66.5°), the coolest 29 October (27.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 60.5° | 56.2° | +2.4° |
| 29 October – 7 November | 48.3° | 52.2° | -2.2° |
| 8 November – 17 November | at normal | 46.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — New Munster (11 mi).
0Rochester, Tuesday, 20 October
Clear. High 66°, low 42°.
0Rochester, Wednesday, 21 October
Clear. High 66°, low 44°.
0.01
Rochester, Thursday, 22 October
Light rain. High 65°, low 47°.
0Rochester, Friday, 23 October
Clear. High 61°, low 45°.
0
Rochester, Saturday, 24 October
Overcast. High 62°, low 45°.
0Rochester, Sunday, 25 October
Overcast. High 65°, low 51°.
0.15Rochester, Monday, 26 October
Rain. High 61°, low 43°.
0.75Rochester, Tuesday, 27 October
Rain. High 55°, low 37°.
0.01
Rochester, Wednesday, 28 October
Light snow. High 38°, low 28°.
0
Rochester, Thursday, 29 October
Mostly clear. High 47°, low 27°.
0Rochester, Friday, 30 October
Overcast. High 53°, low 35°.
0Rochester, Saturday, 31 October
Overcast. High 52°, low 36°.
0.41Rochester, Sunday, 1 November
Rain. High 48°, low 37°.
0.06Rochester, Monday, 2 November
Light rain. High 42°, low 33°.
0Rochester, Tuesday, 3 November
Overcast. High 47°, low 32°.
0.09
Rochester, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Rochester, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Rochester, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Rochester, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Rochester, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Rochester, Monday, 9 November
Climate normal for this date — 60-year average.
0.1
Rochester, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Rochester, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Rochester, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Rochester, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Rochester, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Rochester, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Rochester, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Rochester, Tuesday, 17 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, WI 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, WI 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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