New Castle, DE Weather Forecast

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New Castle, DE Weather Forecast

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New Castle DE weather  - Mostly Cloudy - 77°F
Mostly Cloudy
77°F
Updated 10:50 pm
Feels Like 72°F
Humidity 61%
Wind S 13 mph
Barometer  30.03 in
Dew Point 63°F
New Castle DE weather  - Mostly Cloudy - 25°C
Mostly Cloudy
25°C
Updated 10:50 pm
Feels Like 22°C
Humidity 61%
Wind S 21 km/h
Barometer  101.7 kPa
Dew Point 17°C

New Castle Weather Forecast

TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
New Castle, DE Weather - Tonight Partly Cloudy New Castle, DE Weather - Thursday Chance Of T-Storm New Castle, DE Weather - Thursday Night Chance Of Showers New Castle, DE Weather - Friday Mostly Sunny New Castle, DE Weather - Friday Night Partly Cloudy New Castle, DE Weather - Saturday Chance Of Showers New Castle, DE Weather - Saturday Night Chance Of T-Storm New Castle, DE Weather - Sunday Showers Likely New Castle, DE Weather - Sunday Night Chance Of Showers New Castle, DE Weather - Monday Mostly Sunny New Castle, DE Weather - Monday Night Partly Cloudy New Castle, DE Weather - Tuesday Mostly Sunny
Partly Cloudy Chance of T-Storm Chance of Showers Mostly Sunny Partly Cloudy Chance of Showers Chance of T-Storm Showers Likely Chance of Showers Mostly Sunny Partly Cloudy Mostly Sunny
Lo: 71°FLo: 22°C Hi: 85°FHi: 29°C
Lo: 69°FLo: 21°C Hi: 80°FHi: 27°C
Lo: 61°FLo: 16°C Hi: 80°FHi: 27°C
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
Lo: 65°FLo: 18°C Hi: 85°FHi: 29°C
POP: 30% POP: 50% POP: 30% POP: 70% POP: 70% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Wed Sep 09 2026 New Castle, DE Weather - WeatherWorld.com

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New Castle Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 710 PM EDT Wed Sep 9 2026

Key Messages

1. A cold front will cross through the area Thursday into Thursday night bringing the potential for a round of showers and storms.

2. Another disturbance will approach the area on Saturday night into Sunday and produce a round of showers and thunderstorms.


Discussion

... KEY MESSAGE 1...A cold front will cross through the area Thursday into Thursday night bringing the potential for a round of showers and storms.

High pressure that has been over the region will shift offshore tonight. In ...