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Hourly Forecast
Daylight Hours
07:18
Sunrise
19:36
Sunset
Moon
Waxing Crescent
11:02
Moonrise
20:41
Moonset
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Weather in Delaware tomorrow, September 15, 2026
Conditions in Delaware on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The morning sky stays heavily clouded, with cover near 100% around 01:00. Grey conditions set the early tone before any later change.
Expect highs of 28°C and cooler readings close to 13°C. Relative humidity sits between 18% and 90%, reaching its peak around 04:00. Winds stay light, near 4.8 km/h by 20:00, so the day feels still more than breezy.
Afternoon skies stay clogged, peaking close to 74% near 15:00. The grey theme continues rather than clearing out. Expect visibility around 16.1 km. Daylight runs from 07:19 to 19:34, lasting 12 hours 15 minutes of sunlight today.
The practical takeaway for Delaware is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 28°C.
Frequently asked questions about weather in Delaware
How warm does it get in Delaware?
The warmest month in Delaware is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Delaware?
The coldest month in Delaware is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Delaware?
The wettest month in Delaware is May, with an average of 123mm of precipitation.
What is the driest time of year in Delaware?
The driest month in Delaware is August, with an average of 75mm of precipitation.
