Local Forecast

New Castle, DE Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for New Castle, DE.

Active Alerts 1 active

Hour-by-Hour  Current Observation

Wednesday 9:15 AM EDTWednesday 9:15 AM

°F °C
Regional Observations →
70°F

Cloudy

  • 86° / 69° High / Low
  • 70° Feels Like
  • 0% Chance of Rain

Wind

6 mph

WSW

UV Index

7

High

Humidity

91%

Dew 67°F

Sun

5:33 AM · 8:29 PM

Rise · Set

Source: COATESVILLE (KMQS). Slider scrubs the next 12 hours.

5-Day Outlook

Through Sunday

Local Radar →

Today

86° 69°

Thunderstorms Likely

Overnight: Thunderstorms Likely

Detailed forecast

Today

A slight chance of rain showers between 7am and noon, then a chance of showers and thunderstorms between noon and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Night

A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

95° 73°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Thursday

A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 95. Heat index values as high as 101. West wind 5 to 10 mph. Chance of precipitation is 20%.

Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday

95° 71°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Friday

A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

Saturday

89° 68°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Saturday

Sunny, with a high near 89.

Night

Mostly clear, with a low around 67.

Sunday

91° 68°

Mostly Sunny

Overnight: Isolated T-storm

Detailed forecast

Sunday

Sunny, with a high near 92.

Night

A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 40%.

New Castle, DE Weather Analysis Tools