Mercer County (Princeton)
March
Weather in Mercer County for March 2026
Your guide to Mercer County weather in March - trends and predictions
In general, the average temperature in Mercer County at the beginning of March is 9.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 13.3 °F by the end of March.
Mercer County experiences moderate rainfall in March, with an average of 8 rainy days and a total precipitation of 136.9 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
11°/3°
Temperatures
22 km/h
Avg max wind
65 %
Avg humidity
Mercer County Weather March
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  10° | 2  5° | 3  9° | 4 12° | 5 10° | 6 11° | 7 8° |
| 8 9° | 9 10° | 10  13° | 11 14° | 12  13° | 13 10° | 14  14° |
| 15  15° | 16 15° | 17 14° | 18 12° | 19 12° | 20 13° | 21 8° |
| 22 11° | 23  9° | 24 10° | 25 11° | 26 9° | 27 11° | 28 12° |
| 29 18° | 30 15° | 31 17° |
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Temperatures trend during March in Mercer County
See the weather trend as well as the moving average line
March weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Mar. 1 | Overcast | 10° /-1° | 0 mm | 3 | |
| Mar. 2 | Light rain | 5° /-2° | 3.2 mm | 2 | |
| Mar. 3 | Cloudy | 9° /0° | 0 mm | 3 | |
| Mar. 4 | Overcast | 12° /3° | 0 mm | 3 | |
| Mar. 5 | Light rain | 10° /5° | 11.2 mm | 3 | |
| Mar. 6 | Light rain | 11° /4° | 25.3 mm | 3 | |
| Mar. 7 | Overcast | 8° /3° | 0 mm | 3 | |
| Mar. 8 | Overcast | 9° /1° | 0 mm | 3 | |
| Mar. 9 | Light drizzle | 10° /1° | 0.3 mm | 3 | |
| Mar. 10 | Patchy rain possible | 13° /1° | 4.8 mm | 3 | |
| Mar. 11 | Overcast | 14° /0° | 0 mm | 3 | |
| Mar. 12 | Sunny | 13° /3° | 0 mm | 4 | |
| Mar. 13 | Overcast | 10° /5° | 0 mm | 3 | |
| Mar. 14 | Partly cloudy | 14° /6° | 0 mm | 4 | |
| Mar. 15 | Patchy light rain with thunder | 15° /7° | 2.4 mm | 4 | |
| Mar. 16 | Sunny | 15° /7° | 0 mm | 4 | |
| Mar. 17 | Overcast | 14° /5° | 29.7 mm | 3 | |
| Mar. 18 | Partly cloudy | 12° /1° | 0 mm | 4 | |
| Mar. 19 | Overcast | 12° /2° | 0 mm | 3 | |
| Mar. 20 | Patchy rain possible | 13° /4° | 0.8 mm | 3 | |
| Mar. 21 | Partly cloudy | 8° /-1° | 5.3 mm | 4 | |
| Mar. 22 | Partly cloudy | 11° /0° | 0 mm | 3 | |
| Mar. 23 | Heavy rain | 9° /0° | 32.1 mm | 3 | |
| Mar. 24 | Sunny | 10° /1° | 25.2 mm | 3 | |
| Mar. 25 | Sunny | 11° /2° | 0 mm | 4 | |
| Mar. 26 | Overcast | 9° /2° | 0 mm | 3 | |
| Mar. 27 | Light drizzle | 11° /2° | 0.1 mm | 4 | |
| Mar. 28 | Light rain | 12° /5° | 7.8 mm | 4 | |
| Mar. 29 | Partly cloudy | 18° /7° | 0 mm | 6 | |
| Mar. 30 | Light drizzle | 15° /4° | 0.8 mm | 4 | |
| Mar. 31 | Patchy rain possible | 17° /8° | 2.1 mm | 4 | |
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Important Notice
Our weather forecast for Mercer County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mercer County forecast closer to your planned date for the most up-to-date weather information.
Mercer County in March - FAQ
What are the expected maximum and minimum temperatures in Mercer County during March?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 3°.
How much rainfall should be expected in Mercer County during March?
Significant rainfall exceeding 136.9 mm is expected in Mercer County during March, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Mercer County during March?
The average wind speed in Mercer County during March is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
March rainfall patterns in Mercer County
Explore the daily rainfall trends and prepare for Mercer Countys March weather 💧
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