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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

Sunday, Oct 25, 2026

Daytime
64°F

Partly Cloudy

Feels like 64°F

Humidity

54%

Wind Speed

4.5 mph

Precipitation

0 in

Pressure

1031 hPa

UV Index

3

Visibility

10 mi

Cloud Cover

98%

Dew Point

55°F

7-Day Weather Forecast

Today

Oct 25

Partly Cloudy
66°H
59°L
0%

Mon

Oct 26

Partly Cloudy
69°H
47°L
0%

Tue

Oct 27

Partly Cloudy
67°H
50°L
0%

Wed

Oct 28

Partly Cloudy
70°H
52°L
0%

Thu

Oct 29

Partly Cloudy
71°H
53°L
0%

Fri

Oct 30

Partly Cloudy
66°H
57°L
0%

Sat

Oct 31

Partly Cloudy
71°H
57°L
0%

24-Hour Forecast

5 PM

64°

0%

6 PM

65°

0%

7 PM

66°

0%

8 PM

66°

0%

9 PM

66°

0%

10 PM

63°

0%

11 PM

59°

0%

12 AM

56°

0%

1 AM

54°

0%

2 AM

53°

0%

3 AM

52°

0%

4 AM

51°

0%

5 AM

50°

0%

6 AM

50°

0%

7 AM

50°

0%

8 AM

49°

0%

9 AM

48°

0%

10 AM

48°

0%

11 AM

48°

0%

12 PM

47°

0%

1 PM

50°

0%

2 PM

55°

0%

3 PM

60°

0%

4 PM

64°

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

163.1° SSE

Sustained Wind

4.5 mph

Wind Gusts

4.5 mph

7-Day Temp Range

Week's Hottest

71°F

Max Rain Prob

0%

Expected 7-Day Swings

47°
71°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Mercer County · 40.49°N, 84.60°W
Radar Page
Coordinates40.4880°N, 84.5987°W
Elevationm
TimezoneAmerica/New_York

Nearby Cities in Ohio

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index3Moderate 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.
7-Day Weather Forecast & Weekly Outlook for Mercer County, Ohio | Local Weather Radar