Weather in Sylvan Mounds, WI
Sylvan Mounds, Friday, 16 October, 00:20
Overcast. Feels like 52°. High 53°, low 44°.
Monthly outlook for Sylvan Mounds, WI: average high 61°, average low 46.4°. That is 2.9° above the climate normal for October. Precipitation is expected on 2 days (about 1.2 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 23 October (71.6°), the coolest 17 October (38.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 63.9° | 56.8° | +4° |
| 26 October – 4 November | 56.2° | 52.8° | +1.9° |
| 5 November – 14 November | at normal | 47° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fort Atkinson (8 mi).
0
Sylvan Mounds, Saturday, 17 October
Clear. High 55°, low 38°.
0Sylvan Mounds, Sunday, 18 October
Clear. High 60°, low 43°.
0Sylvan Mounds, Monday, 19 October
Overcast. High 62°, low 42°.
0Sylvan Mounds, Tuesday, 20 October
Overcast. High 64°, low 43°.
0
Sylvan Mounds, Wednesday, 21 October
Partly cloudy. High 68°, low 45°.
0.01
Sylvan Mounds, Thursday, 22 October
Light rain. High 67°, low 52°.
0Sylvan Mounds, Friday, 23 October
Overcast. High 72°, low 57°.
0Sylvan Mounds, Saturday, 24 October
Overcast. High 69°, low 55°.
0Sylvan Mounds, Sunday, 25 October
Overcast. High 69°, low 54°.
0Sylvan Mounds, Monday, 26 October
Overcast. High 64°, low 50°.
0.03Sylvan Mounds, Tuesday, 27 October
Light rain. High 56°, low 45°.
1.11Sylvan Mounds, Wednesday, 28 October
Heavy rain. High 54°, low 46°.
0.02Sylvan Mounds, Thursday, 29 October
Light rain. High 53°, low 47°.
0Sylvan Mounds, Friday, 30 October
Clear. High 55°, low 41°.
0Sylvan Mounds, Saturday, 31 October
Partly cloudy. High 55°, low 38°.
0.19
Sylvan Mounds, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Sylvan Mounds, Monday, 2 November
Climate normal for this date — 60-year average.
0.05
Sylvan Mounds, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08Sylvan Mounds, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Sylvan Mounds, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Sylvan Mounds, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Sylvan Mounds, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Sylvan Mounds, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Sylvan Mounds, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Sylvan Mounds, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Sylvan Mounds, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Sylvan Mounds, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Sylvan Mounds, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Sylvan Mounds, Saturday, 14 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 Sylvan Mounds, 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 Sylvan Mounds, 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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