Weather in New Castle, United States 🇺🇸
In New Castle right now it is 24°C and overcast, feeling like 26°C. Humidity sits at 76% and winds are near 12 km/h, and the UV index is 4 (moderate). Looking ahead, New Castle should sit between roughly 17°C and 32°C over the coming days.
Hourly Forecast for New Castle
14-Day Forecast for New Castle
Overcast
Sunny
Light rain shower
Mist
Sunny
Overcast
Overcast
Overcast
Sunny
Sunny
Overcast
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Overcast
Sunny
Additional Forecasts for New Castle
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Historical Weather
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Best Time to Be Outside in New Castle Today
The most comfortable window in New Castle today looks like 16:00 to 19:00, when it is around 29°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in New Castle
What is the temperature in New Castle right now?
The current temperature in New Castle is 24°C (76°F), overcast (feels like 26°C).
What's the weather like in New Castle right now?
Conditions in New Castle right now: Overcast, humidity 76%, wind 12 km/h S.
What is today's forecast for New Castle?
Today in New Castle: high 32°C, low 17°C, overcast. Chance of rain: 16%.
What is the 7-day weather forecast for New Castle?
Daily highs and lows for New Castle:
- 2026-09-08: 32°C / 17°C
- 2026-09-09: 30°C / 22°C
- 2026-09-10: 24°C / 20°C
- 2026-09-11: 26°C / 18°C
- 2026-09-12: 26°C / 19°C
- 2026-09-13: 27°C / 20°C
- 2026-09-14: 30°C / 22°C
Is it going to rain in New Castle today?
There is a 16% chance of rain in New Castle today. Total expected precipitation: 0.02 mm.
What is the wind speed in New Castle right now?
Wind in New Castle is currently 12 km/h (7 mph) from the S.
What is the UV index in New Castle right now?
The UV index in New Castle is currently 4 (moderate). Sun protection is recommended when the index is 3 or higher.
