Newark Weather Forecast
- 71
- 83
Chance Rain Showers
- 72
- 83
Chance Thunderstorms
- 67
- 88
Chance Thunderstorms
- 63
- 83
Mostly Sunny
- 66
- 83
Mostly Sunny
- 70
- 85
Partly Sunny
- 74
- 89
Slight Chance Thunderstorms
Today 18 Jul New Castle
Mostly sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph.
Tonight 18 Jul New Castle
Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. North Winds around 5 Mph, becoming northeast after midnight. Chance of rain 20 percent.
Newark Temperature Statistics
July Temperature
Wilmington, New Castle County Airport (7.5 miles)
Lowest 5 July, 2025
61.6 °FAverage July
79.6 °FHighest 8 July, 2025
94.6 °F
Climate (2020–Present)
Wilmington, New Castle County Airport (7.5 miles)
Average Low 2020–2025
48.2 °FAverage 2020–2025
57.3 °FAverage High 2020–2025
66.5 °F