Weather in Merrimac, WI
Merrimac, Sunday, 25 October, 18:54
Overcast. Feels like 66°. High 72°, low 54°.
Monthly outlook for Merrimac, WI: average high 58.9°, average low 47°. That is 4.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 25 October (71.6°), the coolest 9 November (37.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 62.6° | 53° | +5.3° |
| 4 November – 13 November | 52.8° | 47.1° | +3.2° |
| 14 November – 23 November | at normal | 43.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sauk City (9 mi).
0Merrimac, Monday, 26 October
Overcast. High 61°, low 50°.
0.01
Merrimac, Tuesday, 27 October
Light rain. High 66°, low 47°.
0.01Merrimac, Wednesday, 28 October
Light rain. High 66°, low 57°.
0.27Merrimac, Thursday, 29 October
Rain. High 63°, low 53°.
0Merrimac, Friday, 30 October
Overcast. High 66°, low 44°.
0.01Merrimac, Saturday, 31 October
Light rain. High 54°, low 48°.
0.03Merrimac, Sunday, 1 November
Light rain. High 54°, low 50°.
0
Merrimac, Monday, 2 November
Partly cloudy. High 62°, low 48°.
0Merrimac, Tuesday, 3 November
Overcast. High 61°, low 46°.
0.06Merrimac, Wednesday, 4 November
Light rain. High 55°, low 47°.
0Merrimac, Thursday, 5 November
Overcast. High 55°, low 43°.
0Merrimac, Friday, 6 November
Overcast. High 54°, low 39°.
0.43Merrimac, Saturday, 7 November
Rain. High 55°, low 43°.
0
Merrimac, Sunday, 8 November
Mostly clear. High 55°, low 45°.
0.2Merrimac, Monday, 9 November
Light rain. High 43°, low 37°.
0.13
Merrimac, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Merrimac, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Merrimac, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Merrimac, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Merrimac, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Merrimac, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Merrimac, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Merrimac, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Merrimac, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Merrimac, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Merrimac, Friday, 20 November
Climate normal for this date — 60-year average.
0.08Merrimac, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Merrimac, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1Merrimac, Monday, 23 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 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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