Nearby locations
New Castle, Delaware, United States
Washington Park, Delaware, United States
Dobbinsville, Delaware, United States
Nearby popular places
The Green, United States
Old Town Hall, United States
Deemers Beach, United States

Weather in New Castle, United States

60°
Mostly clear
Feels like 60°
·
High61°Low40°

Weather Advisories

Are you a business interested
in the data behind our forecast?
Try Our Weather API
Weather API Globe

Air quality

Full Details
0
53
500
Air quality:Moderate

Pollen index

Full Details
Tree
1/5
012345
Weed
0/5
012345
Grass
0/5
012345

Tomorrow's weather summary

The weather in New Castle on Thursday, April 25th, will vary throughout the day from cloudy condition to clear.

According to our models cloud overcast will appear before dawn and there is a high chance for clear skies in the afternoon.

Weather information for New Castle, on Thursday, April 25th:

The maximum temperature during the day is going to be 47°F at about 4 pm. The day will have high relative humidity, with average humidity of 66%, ranging from 49% to a maximum value of 80% at about 4 am. The wind will be breezy, and will get up to 11 mph at 4 pm, blowing from the north. The cloud coverage will range from 0% around 6 pm to as high as 100% around 1 pm with an average of 52%.

There is no probability for any precipitation throughout the day. The dew point will range from 26°F up to a maximum value of 33°F around noon.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be very high with average pressure of 1027 hPa. Sunrise will be at 6:35 am, and sunset at 8:16 pm. The day will have 13 hours and 41 minutes of daylight.

Air quality forecast for New Castle, on Thursday, April 25th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 39 and 47.

Pollen forecast for New Castle, on Thursday, April 25th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

The weather in New Castle on Friday, April 26th, will change throughout the day from cloudy weather to clear.

It's also likely that cloud overcast will appear at some point in the early morning.

Weather details for New Castle, on Friday, April 26th:

The maximum temperature of the day is going to be 57°F at about 11 pm. The day will have very high relative humidity, with average humidity of 72%, ranging from 65% to a maximum value of 77% at about 8 pm. The wind will be breezy, and will get up to 17 mph at 5 pm, blowing from the north-east. The cloud coverage will range from 0% around midnight to as high as 100% around 11 pm with an average of 50%.

There is no probability for any precipitation throughout the day. The dew point will range from 27°F up to a maximum value of 48°F around 9 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1024 hPa. Sunrise will be at 6:34 am, and sunset at 8:17 pm. The day will have 13 hours and 43 minutes of daylight.

Air quality forecast for New Castle, on Friday, April 26th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 31 and 55.

Pollen forecast for New Castle, on Friday, April 26th:

Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have low risk.

FAQ

How warm does it get in New Castle?
The average annual highest temperature in New Castle is 32.3°C (90.1°F), and the July 27th is the hottest day on average.
How cold does it get in New Castle?
The average annual lowest temperature in New Castle is -5.3°C (22.5°F), and the January 31st is the coldest day on average.
Which month has the most rain in New Castle?
The wettest months in New Castle are June and August.
What months does it snow in New Castle?
The most common time of year for snow is February, January, March and December.