Weather in Merrimac, WI
Merrimac, Friday, 23 October, 04:16
Overcast. Feels like 54°. High 72°, low 52°.
Monthly outlook for Merrimac, WI: average high 56.9°, average low 44.8°. That is 2.5° above the climate normal for October. Precipitation is expected on 7 days (about 2.7 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 23 October (72.1°), the coolest 3 November (32.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 59.7° | 54° | +3.1° |
| 2 November – 11 November | 52.3° | 48.5° | +2.1° |
| 12 November – 21 November | at normal | 43.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sauk City (9 mi).
0Merrimac, Saturday, 24 October
Overcast. High 70°, low 52°.
0.09
Merrimac, Sunday, 25 October
Rain. High 70°, low 56°.
0Merrimac, Monday, 26 October
Overcast. High 56°, low 51°.
0.02Merrimac, Tuesday, 27 October
Light rain. High 60°, low 47°.
0.04Merrimac, Wednesday, 28 October
Light rain. High 66°, low 54°.
1.12Merrimac, Thursday, 29 October
Rain. High 63°, low 49°.
0.9Merrimac, Friday, 30 October
Rain. High 49°, low 45°.
0.27Merrimac, Saturday, 31 October
Light rain. High 47°, low 42°.
0.22Merrimac, Sunday, 1 November
Light rain. High 43°, low 40°.
0.06
Merrimac, Monday, 2 November
Light snow. High 47°, low 36°.
0
Merrimac, Tuesday, 3 November
Clear. High 51°, low 32°.
0
Merrimac, Wednesday, 4 November
Mostly clear. High 52°, low 36°.
0Merrimac, Thursday, 5 November
Clear. High 55°, low 37°.
0Merrimac, Friday, 6 November
Overcast. High 55°, low 42°.
0Merrimac, Saturday, 7 November
Overcast. High 54°, low 47°.
0.04
Merrimac, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Merrimac, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Merrimac, 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.
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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