Weather in Grafton, WI
Grafton, Monday, 19 October, 14:18
Overcast. Feels like 65°. High 66°, low 41°.
Monthly outlook for Grafton, WI: average high 55°, average low 40.2°. That is 1.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.9 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 19 October (66.3°), the coolest 29 October (29.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 59.6° | 54° | +3.1° |
| 29 October – 7 November | 47.5° | 50.2° | -1.5° |
| 8 November – 17 November | at normal | 44.9° | — |
October records over 66 years
0
Grafton, Tuesday, 20 October
Clear. High 66°, low 44°.
0Grafton, Wednesday, 21 October
Clear. High 66°, low 44°.
0.02
Grafton, Thursday, 22 October
Light rain. High 62°, low 49°.
0Grafton, Friday, 23 October
Clear. High 60°, low 45°.
0Grafton, Saturday, 24 October
Overcast. High 60°, low 46°.
0Grafton, Sunday, 25 October
Overcast. High 64°, low 51°.
0.11Grafton, Monday, 26 October
Light rain. High 57°, low 44°.
1.3
Grafton, Tuesday, 27 October
Snow. High 56°, low 38°.
0Grafton, Wednesday, 28 October
Clear. High 39°, low 29°.
0Grafton, Thursday, 29 October
Clear. High 48°, low 29°.
0Grafton, Friday, 30 October
Overcast. High 53°, low 37°.
0Grafton, Saturday, 31 October
Overcast. High 48°, low 37°.
0.37Grafton, Sunday, 1 November
Rain. High 46°, low 38°.
0.09Grafton, Monday, 2 November
Light rain. High 43°, low 36°.
0Grafton, Tuesday, 3 November
Overcast. High 47°, low 36°.
0.09
Grafton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Grafton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Grafton, Friday, 6 November
Climate normal for this date — 60-year average.
0.04
Grafton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Grafton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Grafton, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Grafton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Grafton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Grafton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Grafton, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Grafton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Grafton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Grafton, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Grafton, 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 Grafton, 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 Grafton, 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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