Weather in Arena, WI
Arena, Wednesday, 7 October, 23:27
Partly cloudy. Feels like 56°. High 76°, low 54°.
Monthly outlook for Arena, WI: average high 65.4°, average low 48°. That is 3.3° above the climate normal for October. Precipitation is expected on 4 days (about 2.5 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 15 October (79.9°), the coolest 21 October (32.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 71.9° | 60.7° | +6.2° |
| 17 October – 26 October | 54.6° | 56.4° | -1° |
| 27 October – 5 November | at normal | 52.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sauk City (12 mi).
0
Arena, Thursday, 8 October
Partly cloudy. High 70°, low 50°.
0.1
Arena, Friday, 9 October
Rain. High 74°, low 51°.
0
Arena, Saturday, 10 October
Clear. High 80°, low 59°.
0Arena, Sunday, 11 October
Clear. High 77°, low 59°.
0.02Arena, Monday, 12 October
Light rain. High 77°, low 58°.
0
Arena, Tuesday, 13 October
Overcast. High 59°, low 44°.
0.07Arena, Wednesday, 14 October
Light rain. High 58°, low 40°.
2.12Arena, Thursday, 15 October
Heavy rain. High 80°, low 57°.
0.18Arena, Friday, 16 October
Rain. High 70°, low 55°.
0Arena, Saturday, 17 October
Overcast. High 50°, low 44°.
0Arena, Sunday, 18 October
Overcast. High 49°, low 43°.
0Arena, Monday, 19 October
Clear. High 59°, low 39°.
0Arena, Tuesday, 20 October
Overcast. High 54°, low 39°.
0
Arena, Wednesday, 21 October
Mostly clear. High 53°, low 33°.
0Arena, Thursday, 22 October
Overcast. High 62°, low 42°.
0.14
Arena, Friday, 23 October
Climate normal for this date — 60-year average.
0.11Arena, Saturday, 24 October
Climate normal for this date — 60-year average.
0.05Arena, Sunday, 25 October
Climate normal for this date — 60-year average.
0.09Arena, Monday, 26 October
Climate normal for this date — 60-year average.
0.06Arena, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06Arena, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.05Arena, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Arena, Friday, 30 October
Climate normal for this date — 60-year average.
0.1Arena, Saturday, 31 October
Climate normal for this date — 60-year average.
0.2Arena, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Arena, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Arena, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Arena, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.09Arena, Thursday, 5 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 Arena, 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 Arena, 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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