NEW CASTLE, DE 19726 Weather Forecast & Current Conditions

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WILMINGTON, DE
Current Weather

1:51 AM EDT JUN 9, 2026
Clear
54°F
Feels Like: 54°F
Dewpoint: 48°F
Rel. Hum.: 80%
Visibility: 10 miles
Wind: Calm
Pressure: 30.32 inches
Last 72 hours

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NEW CASTLE, DE 19726
Weather Forecast

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Snow Depth pages
TONIGHT
Mostly clear. Cooler with lows in the lower 50s. South winds 5 to 10 mph.
TUESDAY
Mostly sunny. Highs in the lower 80s. South winds 5 to 10 mph.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the mid 60s. South winds 5 to 10 mph.
WEDNESDAY
Mostly cloudy with a chance of showers. Hot. More humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
WEDNESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows around 70. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
THURSDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 40 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent.
FRIDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 40 percent.
FRIDAY NIGHT
Showers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 60 percent.
SATURDAY
Mostly sunny. Hot with highs in the upper 80s.
SATURDAY NIGHT
Mostly clear. Lows in the upper 60s.
SUNDAY
Mostly sunny. Hot with highs around 90.
SUNDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.

Visible Weather Satellite
NEW CASTLE, DE 19726
Infrared Weather Satellite
NEW CASTLE, DE 19726
NEXRAD Weather Radar
NEW CASTLE, DE 19726

WILMINGTON, DE 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026
NEW CASTLE, DE 19726 weather forecast Day 1, 0 hours 2 AM 56° 56° Clear 0%

0% Thunder
( 1% severe)
SSE   2 74% 48°
Low 53° NEW CASTLE, DE 19726 weather forecast Day 1, 3 hours 5 AM 54° 54° Partly Cloudy   CALM 83% 49°
High 84° NEW CASTLE, DE 19726 weather forecast Day 1, 6 hours 8 AM 61° 62° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSW   3 67% 50°

Partly Cloudy



NEW CASTLE, DE 19726 weather forecast Day 1, 9 hours 11 AM 73° 73° Partly Cloudy S   7 34% 43°
NEW CASTLE, DE 19726 weather forecast Day 1, 12 hours 2 PM 80° 79° Mostly Cloudy 0%

0% Thunder
( 2% severe)
S   9 30% 46°
NEW CASTLE, DE 19726 weather forecast Day 1, 15 hours 5 PM 81° 80° Partly Cloudy S   12 35% 51°
NEW CASTLE, DE 19726 weather forecast Day 1, 18 hours 8 PM 75° 75° Partly Cloudy 3%

0% Thunder
( 4% severe)
SSE   10 48% 54°
NEW CASTLE, DE 19726 weather forecast Day 1, 21 hours 11 PM 69° 69° Partly Cloudy S   8 63% 56°
Wednesday
10 JUN 2026
NEW CASTLE, DE 19726 weather forecast Day 2, 0 hours 2 AM 66° 66° Mostly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 12% severe)
S   8 70% 56°
Low 65° NEW CASTLE, DE 19726 weather forecast Day 2, 3 hours 5 AM 65° 65° Mostly Cloudy S   9 81% 59°
High 89° NEW CASTLE, DE 19726 weather forecast Day 2, 6 hours 8 AM 70° 70° Mostly Cloudy 30%
RAIN
<.01 in
0% Thunder
( 15% severe)
S   10 84% 65°

Mostly Cloudy

Chance of Rain

NEW CASTLE, DE 19726 weather forecast Day 2, 9 hours 11 AM 79° 81° Mostly Cloudy SSW   13 67% 67°
NEW CASTLE, DE 19726 weather forecast Day 2, 12 hours 2 PM 84° 89° Mostly Cloudy 38%
RAIN
.25–.5 in
0% Thunder
( 38% severe)
SSW   13 65% 71°
NEW CASTLE, DE 19726 weather forecast Day 2, 15 hours 5 PM 86° 91° Mostly Cloudy SW   13 61% 71°
NEW CASTLE, DE 19726 weather forecast Day 2, 18 hours 8 PM 82° 85° Partly Cloudy 35%
RAIN
.5–1 in
0% Thunder
( 26% severe)
SSW   10 65% 69°
NEW CASTLE, DE 19726 weather forecast Day 2, 21 hours 11 PM 76° 76° Mostly Cloudy SSW   8 87% 72°

WILMINGTON, DE extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 72° Low 71° Low 70° Low 64° Low 68°
High 91° High 94° High 86° High 86° High 84°
NEW CASTLE, DE 19726 weather forecast Day 3 NEW CASTLE, DE 19726 weather forecast Day 4 NEW CASTLE, DE 19726 weather forecast Day 5 NEW CASTLE, DE 19726 weather forecast Day 6 NEW CASTLE, DE 19726 weather forecast Day 7
Partly Cloudy
60% Rain
Mostly Cloudy
49% Rain
Partly Cloudy
49% Rain
Clear
10% Rain
Overcast
49% Rain
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