Weather in Grafton, WI
Grafton, Tuesday, 20 October, 16:18
Clear. Feels like 62°. High 65°, low 42°.
Monthly outlook for Grafton, WI: average high 56.3°, average low 42.3°. That is 2.1° above the climate normal for October. Precipitation is expected on 5 days (about 1.1 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 21 October (71.9°), the coolest 30 October (28.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 58.8° | 53.7° | +2.8° |
| 30 October – 8 November | 52.1° | 49.8° | +1.3° |
| 9 November – 18 November | at normal | 44.5° | — |
October records over 66 years
0Grafton, Wednesday, 21 October
Clear. High 72°, low 44°.
0
Grafton, Thursday, 22 October
Overcast. High 62°, low 49°.
0
Grafton, Friday, 23 October
Mostly clear. High 64°, low 48°.
0Grafton, Saturday, 24 October
Overcast. High 66°, low 49°.
0Grafton, Sunday, 25 October
Overcast. High 69°, low 55°.
0.21
Grafton, Monday, 26 October
Light rain. High 55°, low 45°.
0.31Grafton, Tuesday, 27 October
Light rain. High 46°, low 43°.
0.25Grafton, Wednesday, 28 October
Rain. High 45°, low 39°.
0Grafton, Thursday, 29 October
Clear. High 44°, low 33°.
0Grafton, Friday, 30 October
Mostly clear. High 44°, low 29°.
0.02Grafton, Saturday, 31 October
Light rain. High 51°, low 40°.
0.15Grafton, Sunday, 1 November
Light rain. High 60°, low 48°.
0.15Grafton, Monday, 2 November
Light rain. High 60°, low 40°.
0
Grafton, Tuesday, 3 November
Partly cloudy. High 49°, low 35°.
0Grafton, Wednesday, 4 November
Overcast. High 49°, low 38°.
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.
0.04Grafton, 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.
0.09Grafton, Wednesday, 18 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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