Weather in Peru, WI
Peru, Friday, 9 October, 22:53
Partly cloudy. Feels like 58°. High 65°, low 43°.
Monthly outlook for Peru, WI: average high 59.4°, average low 43.8°. That is 2.2° above the climate normal for October. Precipitation is expected on 7 days (about 2.2 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 10 October (78.9°), the coolest 18 October (26.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 61.5° | 56.7° | +2.7° |
| 19 October – 28 October | 55.9° | 52.6° | +1.8° |
| 29 October – 7 November | at normal | 48.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Amherst Junction (8 mi).
0
Peru, Saturday, 10 October
Clear. High 79°, low 52°.
0Peru, Sunday, 11 October
Clear. High 76°, low 51°.
0.12
Peru, Monday, 12 October
Rain. High 79°, low 61°.
0.28Peru, Tuesday, 13 October
Rain. High 61°, low 54°.
0
Peru, Wednesday, 14 October
Overcast. High 57°, low 50°.
0.47Peru, Thursday, 15 October
Rain. High 56°, low 42°.
0.08Peru, Friday, 16 October
Light rain. High 54°, low 40°.
0.01
Peru, Saturday, 17 October
Light snow. High 41°, low 27°.
0Peru, Sunday, 18 October
Overcast. High 47°, low 26°.
0Peru, Monday, 19 October
Clear. High 54°, low 32°.
0.02Peru, Tuesday, 20 October
Light rain. High 57°, low 38°.
0.48Peru, Wednesday, 21 October
Rain. High 60°, low 44°.
0.69Peru, Thursday, 22 October
Rain. High 55°, low 51°.
0.01Peru, Friday, 23 October
Light rain. High 58°, low 48°.
0.09Peru, Saturday, 24 October
Light rain. High 51°, low 42°.
0.07
Peru, Sunday, 25 October
Climate normal for this date — 60-year average.
0.07
Peru, Monday, 26 October
Climate normal for this date — 60-year average.
0.07Peru, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.08Peru, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Peru, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Peru, Friday, 30 October
Climate normal for this date — 60-year average.
0.1
Peru, Saturday, 31 October
Climate normal for this date — 60-year average.
0.16Peru, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Peru, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Peru, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Peru, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Peru, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Peru, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Peru, Saturday, 7 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 Peru, 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 Peru, 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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