NEW CASTLE, DE 19720 Weather Forecast & Current Conditions
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  19720 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

WILMINGTON, DE
Current Weather
11:51 AM EDT JUN 27, 2026
Overcast
75°F
Feels Like: 75°F
Dewpoint: 63°F
Rel. Hum.: 66%
Visibility: 10 miles
Wind: ENE at 6 mph
Pressure: 30.03 inches
Last 72 hours

Local Area Snow Depth

Delaware Current Weather

Delaware MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  19720 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

NEW CASTLE, DE 19720
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Showers this morning, then showers likely with a chance of thunderstorms this afternoon. Highs in the upper 70s. Southeast winds around 5 mph. Chance of rain 80 percent.
TONIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.
SUNDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. East winds around 5 mph. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 40 percent.
MONDAY
Mostly sunny. Hot with highs in the mid 80s. Northeast winds around 5 mph, becoming southeast in the afternoon.
MONDAY NIGHT
Mostly clear. Lows in the mid 60s.
TUESDAY
Mostly sunny. Hot with highs in the upper 80s.
TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s.
WEDNESDAY
Sunny, hot with highs in the mid 90s.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 70s.
THURSDAY
Sunny, hot with highs around 100. Heat index values up to 110.
THURSDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
FRIDAY
Sunny, hot with highs around 100. Heat index values up to 110.

  19720 WEATHER SATELLITE LOOPS
Visible Weather Satellite
NEW CASTLE, DE 19720
Infrared Weather Satellite
NEW CASTLE, DE 19720
  19720 WEATHER RADAR LOOP
NEXRAD Weather Radar
NEW CASTLE, DE 19720
 MOS COMPUTER WEATHER FORECAST

WILMINGTON, DE 3 hourly weather forecast
weather forecast created  7:00 PM CDT  6/26/2026
Saturday
27 JUN 2026		 NEW CASTLE, DE 19720 weather forecast Day 1, 0 hours 2 AM 73° 73° Mostly Cloudy 41%
RAIN
<.01 in		 0% Thunder
( 16% severe)		 SW   1 79% 66°
Low 69° NEW CASTLE, DE 19720 weather forecast Day 1, 3 hours 5 AM 70° 70° Mostly Cloudy W   3 90% 67°
High 81° NEW CASTLE, DE 19720 weather forecast Day 1, 6 hours 8 AM 72° 72° Mostly Cloudy 64%
RAIN
1–2 in		 0% Thunder
( 14% severe)		 ESE   3 87% 68°

Mostly Cloudy

Rain Likely

 NEW CASTLE, DE 19720 weather forecast Day 1, 9 hours 11 AM 75° 75° Mostly Cloudy SE   5 79% 68°
NEW CASTLE, DE 19720 weather forecast Day 1, 12 hours 2 PM 76° 77° Mostly Cloudy 51%
RAIN
.5–1 in		 0% Thunder
( 30% severe)		 SE   6 82% 70°
NEW CASTLE, DE 19720 weather forecast Day 1, 15 hours 5 PM 77° 79° Mostly Cloudy ESE   6 79% 70°
NEW CASTLE, DE 19720 weather forecast Day 1, 18 hours 8 PM 74° 74° Partly Cloudy 35%
RAIN
>2 in		 0% Thunder
( 20% severe)		 E   6 84% 69°
NEW CASTLE, DE 19720 weather forecast Day 1, 21 hours 11 PM 71° 71° Partly Cloudy E   3 97% 70°
Sunday
28 JUN 2026		 NEW CASTLE, DE 19720 weather forecast Day 2, 0 hours 2 AM 69° 69° Mostly Cloudy 18%
RAIN
.01–.1 in		 0% Thunder
( 12% severe)		 E   1 97% 68°
Low 66° NEW CASTLE, DE 19720 weather forecast Day 2, 3 hours 5 AM 68° 68° Mostly Cloudy ENE   5 100% 68°
High 85° NEW CASTLE, DE 19720 weather forecast Day 2, 6 hours 8 AM 71° 71° Mostly Cloudy 12%
RAIN
<.01 in		 0% Thunder
( 13% severe)		 ENE   6 93% 69°

Mostly Cloudy

Chance of Rain

 NEW CASTLE, DE 19720 weather forecast Day 2, 9 hours 11 AM 77° 79° Mostly Cloudy ENE   6 71% 67°
NEW CASTLE, DE 19720 weather forecast Day 2, 12 hours 2 PM 81° 84° Mostly Cloudy 36%
RAIN
<.01 in		 0% Thunder
( 29% severe)		 E   5 63% 67°
NEW CASTLE, DE 19720 weather forecast Day 2, 15 hours 5 PM 82° 84° Mostly Cloudy E   6 58% 66°
NEW CASTLE, DE 19720 weather forecast Day 2, 18 hours 8 PM 77° 79° Mostly Cloudy 5%

 0% Thunder
( 12% severe)		 E   6 71% 67°
NEW CASTLE, DE 19720 weather forecast Day 2, 21 hours 11 PM 71° 71° Partly Cloudy SE   3 90% 68°

WILMINGTON, DE extended weather forecast
Monday
29 JUN 2026		 Tuesday
30 JUN 2026		 Wednesday
1 JUL 2026		 Thursday
2 JUL 2026		 Friday
3 JUL 2026
Low 69° Low 69° Low 70° Low 76° Low 76°
High 85° High 91° High 97° High 99° High 94°
NEW CASTLE, DE 19720 weather forecast Day 3 NEW CASTLE, DE 19720 weather forecast Day 4 NEW CASTLE, DE 19720 weather forecast Day 5 NEW CASTLE, DE 19720 weather forecast Day 6 NEW CASTLE, DE 19720 weather forecast Day 7
Mostly Cloudy
46% Rain		 Partly Cloudy
3% Rain		 Clear
13% Rain		 Clear
16% Rain		 Partly Cloudy
23% Rain
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