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Plan your week in Mercer County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Mercer County 7-Day Weather Forecast

Monday, Oct 26, 2026

Daytime
56°F

Partly Cloudy

Feels like 56°F

Humidity

80%

Wind Speed

5.6 mph

Precipitation

0 in

Pressure

1027 hPa

UV Index

6

Visibility

10 mi

Cloud Cover

98%

Dew Point

47°F

7-Day Weather Forecast

Today

Oct 26

Partly Cloudy
71°H
56°L
0%

Tue

Oct 27

Partly Cloudy
68°H
52°L
0%

Wed

Oct 28

Partly Cloudy
74°H
54°L
0%

Thu

Oct 29

Partly Cloudy
71°H
59°L
0%

Fri

Oct 30

Partly Cloudy
71°H
54°L
0%

Sat

Oct 31

Partly Cloudy
71°H
59°L
0%

Sun

Nov 1

Partly Cloudy
71°H
58°L
0%

24-Hour Forecast

2 PM

56°

0%

3 PM

59°

0%

4 PM

63°

0%

5 PM

66°

0%

6 PM

68°

0%

7 PM

70°

0%

8 PM

71°

0%

9 PM

71°

0%

10 PM

70°

0%

11 PM

64°

0%

12 AM

64°

0%

1 AM

62°

0%

2 AM

60°

0%

3 AM

58°

0%

4 AM

57°

0%

5 AM

55°

0%

6 AM

54°

0%

7 AM

53°

0%

8 AM

52°

0%

9 AM

52°

0%

10 AM

52°

0%

11 AM

52°

0%

12 PM

52°

0%

1 PM

53°

0%

Air Quality (AQI)

Air quality sensors are offline for this coordinate.

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Full Moon

Full Moon

Wind Conditions & Storm Tracking

Wind Direction

74.3° ENE

Sustained Wind

5.6 mph

Wind Gusts

5.6 mph

7-Day Temp Range

Week's Hottest

74°F

Max Rain Prob

0%

Expected 7-Day Swings

52°
74°

High and low limits expected over the next week.

Location View

Mercer County · 41.19°N, 90.67°W
Radar Page
Coordinates41.1882°N, 90.6737°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index6High Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Mercer County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Mercer County Climate & Weather

Weather forecast for Mercer County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.