Weather in Merrimac, WI
Merrimac, Wednesday, 11 November, 17:20
Overcast. Feels like 50°. High 51°, low 40°.
Monthly outlook for Merrimac, WI: average high 43.6°, average low 31.2°. That is 0.5° above the climate normal for November. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 19 November (53.6°), the coolest 25 November (17.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 47.2° | 44° | +1.8° |
| 21 November – 30 November | 37.6° | 39.2° | -0.9° |
| 1 December – 10 December | at normal | 33.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sauk City (9 mi).
0.01
Merrimac, Thursday, 12 November
Light rain. High 44°, low 33°.
0Merrimac, Friday, 13 November
Overcast. High 40°, low 30°.
0Merrimac, Saturday, 14 November
Overcast. High 41°, low 29°.
0
Merrimac, Sunday, 15 November
Clear. High 45°, low 31°.
0Merrimac, Monday, 16 November
Clear. High 48°, low 30°.
0Merrimac, Tuesday, 17 November
Clear. High 50°, low 33°.
0Merrimac, Wednesday, 18 November
Clear. High 51°, low 33°.
0.03Merrimac, Thursday, 19 November
Light rain. High 54°, low 46°.
0.16Merrimac, Friday, 20 November
Light rain. High 49°, low 44°.
0Merrimac, Saturday, 21 November
Overcast. High 53°, low 41°.
0.18
Merrimac, Sunday, 22 November
Snow. High 42°, low 27°.
0Merrimac, Monday, 23 November
Light snow. High 32°, low 22°.
0Merrimac, Tuesday, 24 November
Clear. High 28°, low 20°.
0Merrimac, Wednesday, 25 November
Clear. High 31°, low 17°.
0Merrimac, Thursday, 26 November
Overcast. High 39°, low 25°.
0.13
Merrimac, Friday, 27 November
Climate normal for this date — 60-year average.
0.09
Merrimac, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06Merrimac, Sunday, 29 November
Climate normal for this date — 60-year average.
0.05Merrimac, Monday, 30 November
Climate normal for this date — 60-year average.
0.09Merrimac, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.05Merrimac, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Merrimac, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Merrimac, Friday, 4 December
Climate normal for this date — 60-year average.
0.06Merrimac, Saturday, 5 December
Climate normal for this date — 60-year average.
0.03Merrimac, Sunday, 6 December
Climate normal for this date — 60-year average.
0.07Merrimac, Monday, 7 December
Climate normal for this date — 60-year average.
0.04Merrimac, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Merrimac, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.07Merrimac, Thursday, 10 December
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 Merrimac, 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 Merrimac, 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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