New Castle, DE weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in New Castle now
Loading the National Weather Service forecast…
New Castle weather by the hour
New Castle weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of New Castle.
This week in New Castle
Sunrise, sunset and moon in New Castle
What is the weather usually like in New Castle?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 26°F average low
- 45.3 inprecipitation per year · 1,152 mm
- 20.2 insnowfall per year · 51 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit New Castle: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station WILMINGTON NEW CASTLE CO AP, DE US (USW00013781), adjusted for the elevation of New Castle.
New Castle weather month by month
Sunrise and sunset in New Castle through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 5:03 PM | 9 h 44 min |
| February | 6:52 AM | 5:39 PM | 10 h 47 min |
| March | 7:11 AM | 7:10 PM | 11 h 58 min |
| April | 6:22 AM | 7:41 PM | 13 h 18 min |
| May | 5:46 AM | 8:11 PM | 14 h 25 min |
| June | 5:32 AM | 8:33 PM | 15 h 0 min |
| July | 5:45 AM | 8:30 PM | 14 h 45 min |
| August | 6:13 AM | 8:00 PM | 13 h 46 min |
| September | 6:42 AM | 7:12 PM | 12 h 30 min |
| October | 7:11 AM | 6:24 PM | 11 h 13 min |
| November | 6:45 AM | 4:48 PM | 10 h 2 min |
| December | 7:14 AM | 4:40 PM | 9 h 26 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in New Castle?
New Castle has a humid subtropical climate. The warmest month is July, with an average high of 87°F (31°C), and the coldest is January, with average lows of 26°F (-3°C).
It gets about 45.3 inches (1,152 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 20 inches fall in an average year.
The best time to visit New Castle is May–June and August–September. At 10 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about New Castle
Weather in towns near New Castle
Questions about the weather in New Castle
What is the hottest month in New Castle?
July, with an average high of 87°F (31°C).
What is the coldest month in New Castle?
January, with an average low of 26°F (-3°C).
How much does it rain in New Castle?
About 45.3 inches (1,152 mm) a year; the wettest month is June.
Does it snow in New Castle?
Yes, about 20 inches of snow fall in an average year.
When is the best time to visit New Castle?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does New Castle have?
Humid subtropical (Köppen Cfa).
What is the weather like in New Castle in November?
Highs average 56°F and lows 38°F, with about 3.1 inches of precipitation.
What time is sunrise in New Castle?
Around 6:45 AM in mid-November, and sunset around 4:48 PM. Today’s exact times are shown above.
Where does this New Castle weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of New Castle.
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