New Castle County (Newark)
March
Weather in New Castle County for March 2026
Your guide to New Castle County weather in March - trends and predictions
In general, the average temperature in New Castle County at the beginning of March is 10.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 14.1 °F by the end of March.
New Castle County experiences moderate rainfall in March, with an average of 10 rainy days and a total precipitation of 145.5 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
11°/3°
Temperatures
22 km/h
Avg max wind
67 %
Avg humidity
New Castle County Weather March
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  9° | 2  5° | 3  10° | 4  13° | 5  11° | 6 12° | 7  11° |
| 8 10° | 9 12° | 10 13° | 11 14° | 12 15° | 13 12° | 14  15° |
| 15  16° | 16 17° | 17 14° | 18 12° | 19 13° | 20 14° | 21 9° |
| 22 11° | 23  9° | 24 11° | 25 13° | 26 11° | 27 12° | 28 13° |
| 29 16° | 30 16° | 31 18° |
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Temperatures trend during March in New Castle 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 | 9° /0° | 0.4 mm | 2 | |
| Mar. 2 | Light rain | 5° /-1° | 8.4 mm | 2 | |
| Mar. 3 | Partly cloudy | 10° /0° | 0 mm | 4 | |
| Mar. 4 | Cloudy | 13° /3° | 0 mm | 4 | |
| Mar. 5 | Moderate rain | 11° /7° | 35.5 mm | 3 | |
| Mar. 6 | Moderate rain | 12° /4° | 16.3 mm | 3 | |
| Mar. 7 | Patchy rain possible | 11° /4° | 0 mm | 3 | |
| Mar. 8 | Overcast | 10° /2° | 0 mm | 3 | |
| Mar. 9 | Patchy rain possible | 12° /1° | 1 mm | 3 | |
| Mar. 10 | Patchy rain possible | 13° /1° | 0.6 mm | 3 | |
| Mar. 11 | Cloudy | 14° /2° | 0 mm | 3 | |
| Mar. 12 | Cloudy | 15° /4° | 0 mm | 4 | |
| Mar. 13 | Overcast | 12° /6° | 0 mm | 3 | |
| Mar. 14 | Sunny | 15° /6° | 0 mm | 4 | |
| Mar. 15 | Moderate or heavy rain with thunder | 16° /8° | 3.9 mm | 4 | |
| Mar. 16 | Sunny | 17° /7° | 0 mm | 4 | |
| Mar. 17 | Partly cloudy | 14° /6° | 17.3 mm | 4 | |
| Mar. 18 | Partly cloudy | 12° /1° | 0 mm | 4 | |
| Mar. 19 | Overcast | 13° /3° | 0 mm | 3 | |
| Mar. 20 | Light rain shower | 14° /4° | 7 mm | 4 | |
| Mar. 21 | Cloudy | 9° /-1° | 0 mm | 3 | |
| Mar. 22 | Partly cloudy | 11° /0° | 0 mm | 3 | |
| Mar. 23 | Heavy rain | 9° /0° | 24 mm | 3 | |
| Mar. 24 | Sunny | 11° /2° | 33.6 mm | 3 | |
| Mar. 25 | Sunny | 13° /2° | 0 mm | 5 | |
| Mar. 26 | Overcast | 11° /2° | 0 mm | 3 | |
| Mar. 27 | Light drizzle | 12° /2° | 0.4 mm | 4 | |
| Mar. 28 | Moderate rain | 13° /5° | 5.4 mm | 4 | |
| Mar. 29 | Partly cloudy | 16° /7° | 0 mm | 5 | |
| Mar. 30 | Light rain | 16° /8° | 2.8 mm | 4 | |
| Mar. 31 | Patchy rain possible | 18° /11° | 3.9 mm | 4 | |
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Important Notice
Our weather forecast for New Castle 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 New Castle County forecast closer to your planned date for the most up-to-date weather information.
New Castle County in March - FAQ
What are the expected maximum and minimum temperatures in New Castle 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 New Castle County during March?
Significant rainfall exceeding 145.5 mm is expected in New Castle County during March, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Castle County during March?
The average wind speed in New Castle County during March is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
March rainfall patterns in New Castle County
Explore the daily rainfall trends and prepare for New Castle Countys March weather 💧
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