Mercer County (Princeton)
10 day weather forecast for Mercer County
Monday, September 21st, 2026, at 07:19 AM
today
24° 16°
tomorrow
18° 13°
Wednesday
18° 11°
Thursday
19° 11°
Friday
21° 10°
Saturday
19° 14°
Sunday
20° 15°
Seemore
Mercer County Weather Pages
Mercer County weather forecast
The weather forecast for Mercer County for today indicates comfortable conditions with temperatures around 24 °F.
Rain is expected from Monday until Wednesday.
Wind speeds are expected to be breezy, averaging around 17 km/h.
On Tuesday, expect a change in weather with temperatures reaching 18°C, and moderate rain with a 83% chance, accumulating about 6.05mm.
Mercer County 14 days weather forecast
This weeks weather in Mercer County. Click on a date for detailed forecasts
Mon. 21
24°
16°
0.2 mm
Tue. 22
18°
13°
6.1 mm
Wed. 23
18°
11°
3.6 mm
Thu. 24
19°
11°
0 mm
Fri. 25
21°
10°
0 mm
Sat. 26
19°
14°
0.7 mm
Sun. 27
20°
15°
0.1 mm
Mon. 28
22°
12°
0 mm
Tue. 29
23°
12°
0 mm
Wed. 30
27°
16°
0 mm
Thu. 1
29°
18°
0 mm
Fri. 2
24°
15°
0 mm
Sat. 3
27°
15°
0 mm
Sun. 4
27°
21°
6.4 mm
Further Ahead
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Access Mercer County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Mercer County long range weather forecast
30 day weather forecast for Mercer County
Important Notice
Our Mercer County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Mercer County
The chart displays the expected rainfall values (in mm) over the next 14 days in Mercer County, highlighting variations in precipitation levels for specific dates. ☔
Mercer County Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in Mercer County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
Frequently asked questions about the weather in Mercer County
How warm is it in Mercer County over the next 14 days?
Over the next two weeks, temperatures in Mercer County are expected to range from around 10 °F on the coldest nights up to about 29 °F on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Mercer County in the next two weeks?
Yes - rain is expected on about 6 of the next 14 days in Mercer County, with roughly 17 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Mercer County?
Maximum wind speeds in Mercer County are forecast to reach about 26 km/h at their peak over the next 14 days.
When is the best time to visit Mercer County?
For a month-by-month look at temperatures and rainfall, see our best time to visit Mercer County guide.
How accurate is the 14-day forecast for Mercer County?
Our Mercer County forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Where is Mercer County?Get accurate weather forecasts for Mercer County, located at latitude 40.349 and longitude -74.659. Stay updated with localized weather information tailored for Mercer County.
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