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As of 12:54 CDT

Weather in Mercer, WI

50°Current weather

Mercer, Tuesday, 13 October, 12:54

Overcast. Feels like 49°. High 54°, low 47°.

Pressure29.88 inHg
Wind6.9 mph NW
Humidity87%
Visibility6.2 mi
Dew point46°
Wed, 1451° / 43°0Light rain
51 °Light rain

Mercer, Wednesday, 14 October

Light rain. High 51°, low 43°.

Pressure30.21 inHg
Wind6.4 mph N
Humidity70%
Visibility6.2 mi
Dew point40°
Thu, 1551° / 41°0.18Rain
51 °Rain

Mercer, Thursday, 15 October

Rain. High 51°, low 41°.

Pressure30.12 inHg
Wind6.9 mph S
Humidity85%
Visibility6.2 mi
Dew point46°
Fri, 1644° / 36°0.28Rain
44 °Rain

Mercer, Friday, 16 October

Rain. High 44°, low 36°.

Pressure30.33 inHg
Wind18.9 mph N
Humidity78%
Visibility4.5 mi
Dew point35°
Sat, 1754° / 32°0Clear
54 °Clear

Mercer, Saturday, 17 October

Clear. High 54°, low 32°.

Pressure30.27 inHg
Wind12.5 mph SW
Humidity51%
Visibility6.2 mi
Dew point29°
Sun, 1860° / 42°0Partly cloudy
60 °Partly cloudy

Mercer, Sunday, 18 October

Partly cloudy. High 60°, low 42°.

Pressure29.94 inHg
Wind14.6 mph SW
Humidity49%
Visibility—
Dew point37°
Mon, 1956° / 41°0Clear
56 °Clear

Mercer, Monday, 19 October

Clear. High 56°, low 41°.

Pressure30.15 inHg
Wind10.1 mph NW
Humidity40%
Visibility—
Dew point29°
Tue, 2059° / 38°0Clear
59 °Clear

Mercer, Tuesday, 20 October

Clear. High 59°, low 38°.

Pressure30.24 inHg
Wind10.3 mph S
Humidity42%
Visibility—
Dew point32°
Wed, 2158° / 52°0.06Light rain
58 °Light rain

Mercer, Wednesday, 21 October

Light rain. High 58°, low 52°.

Pressure30.15 inHg
Wind10.8 mph S
Humidity95%
Visibility—
Dew point53°
Thu, 2263° / 59°0.02Light rain
63 °Light rain

Mercer, Thursday, 22 October

Light rain. High 63°, low 59°.

Pressure29.85 inHg
Wind10.4 mph S
Humidity92%
Visibility—
Dew point61°
Fri, 2363° / 43°0.7Rain
63 °Rain

Mercer, Friday, 23 October

Rain. High 63°, low 43°.

Pressure29.47 inHg
Wind20 mph SW
Humidity89%
Visibility—
Dew point58°
Sat, 2444° / 41°0Overcast
44 °Overcast

Mercer, Saturday, 24 October

Overcast. High 44°, low 41°.

Pressure30.09 inHg
Wind18.8 mph W
Humidity63%
Visibility—
Dew point31°
Sun, 2551° / 34°0.08Light rain
51 °Light rain

Mercer, Sunday, 25 October

Light rain. High 51°, low 34°.

Pressure30.06 inHg
Wind10.4 mph W
Humidity48%
Visibility—
Dew point29°
Mon, 2639° / 36°0.13Snow
39 °Snow

Mercer, Monday, 26 October

Snow. High 39°, low 36°.

Pressure30.24 inHg
Wind13.9 mph NW
Humidity88%
Visibility—
Dew point34°
Tue, 2744° / 30°0Overcast
44 °Overcast

Mercer, Tuesday, 27 October

Overcast. High 44°, low 30°.

Pressure30.24 inHg
Wind12 mph S
Humidity52%
Visibility—
Dew point25°
Wed, 2846° / 39°0.16Light rain
46 °Light rain

Mercer, Wednesday, 28 October

Light rain. High 46°, low 39°.

Pressure29.88 inHg
Wind13.4 mph S
Humidity76%
Visibility—
Dew point36°

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 Mercer, 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 Mercer, 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.