New Castle County (Newark)
October
Weather in New Castle County, Delaware for October 2026
Your guide to New Castle County weather in October - trends and predictions
In general, the average temperature in New Castle County at the beginning of October is 23.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °F by the end of October.
The climate of New Castle County in October is notably wet, with an average of 12 rainy days, and a total of 152.1 mm of precipitation.
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Temperatures
Rain 🌧️
More
19
Dry days
12
Rainy days
0
Snow days
19°/9°
Temperatures
17 km/h
Avg max wind
68 %
Avg humidity
New Castle County Weather October
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Temperatures trend during October in New Castle County
See the weather trend as well as the moving average line
October weather in New Castle County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Overcast | 22° /13° | 0 mm | 5 | |
| Oct. 2 |  Partly cloudy | 23° /13° | 0 mm | 6 | |
| Oct. 3 |  Mist | 24° /13° | 0 mm | 5 | |
| Oct. 4 | Mist | 26° /13° | 0 mm | 6 | |
| Oct. 5 | Mist | 25° /12° | 0 mm | 6 | |
| Oct. 6 |  Light rain shower | 24° /13° | 1.7 mm | 6 | |
| Oct. 7 | Light rain shower | 22° /12° | 8.6 mm | 5 | |
| Oct. 8 | Overcast | 18° /9° | 17 mm | 4 | |
| Oct. 9 |  Sunny | 19° /8° | 0 mm | 5 | |
| Oct. 10 | Partly cloudy | 18° /7° | 0 mm | 5 | |
| Oct. 11 | Partly cloudy | 19° /8° | 0 mm | 5 | |
| Oct. 12 | Overcast | 21° /10° | 12.7 mm | 5 | |
| Oct. 13 |  Cloudy | 21° /12° | 4.3 mm | 5 | |
| Oct. 14 |  Light rain | 17° /9° | 4.7 mm | 4 | |
| Oct. 15 | Cloudy | 16° /8° | 3.2 mm | 4 | |
| Oct. 16 | Light rain shower | 16° /4° | 0.1 mm | 4 | |
| Oct. 17 | Sunny | 17° /4° | 0.1 mm | 5 | |
| Oct. 18 | Overcast | 19° /7° | 0 mm | 5 | |
| Oct. 19 | Overcast | 22° /8° | 1.4 mm | 5 | |
| Oct. 20 |  Moderate or heavy rain with thunder | 17° /10° | 21.8 mm | 4 | |
| Oct. 21 | Patchy rain possible | 22° /7° | 1.6 mm | 5 | |
| Oct. 22 | Overcast | 20° /8° | 0 mm | 5 | |
| Oct. 23 | Sunny | 18° /7° | 0 mm | 5 | |
| Oct. 24 | Partly cloudy | 17° /5° | 0 mm | 5 | |
| Oct. 25 | Mist | 17° /4° | 0 mm | 4 | |
| Oct. 26 | Overcast | 20° /9° | 0.1 mm | 4 | |
| Oct. 27 | Overcast | 17° /9° | 0 mm | 4 | |
| Oct. 28 | Overcast | 18° /8° | 0 mm | 5 | |
| Oct. 29 | Light rain shower | 15° /8° | 33.6 mm | 4 | |
| Oct. 30 | Light rain | 17° /8° | 41.1 mm | 4 | |
| Oct. 31 | Overcast | 18° /7° | 0 mm | 4 | |
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Important Notice
Our weather forecast for New Castle County in October 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.
Change Month
New Castle County in October - FAQ
What are the expected maximum and minimum temperatures in New Castle County during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in New Castle County during October?
Significant rainfall exceeding 152.1 mm is expected in New Castle County during October, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Castle County during October?
The average wind speed in New Castle County during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in New Castle County
Explore the daily rainfall trends and prepare for New Castle Countys October weather 💧
Typically, New Castle County has 12 rainy days in October with a total of 152.1 mm of rainfall.
UV exposure in New Castle County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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