See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Clear
Feels Like: 19°
Min: 10°
Max: 20°
The next few hours will be clear, with today reaching 20°C and dropping to 14°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:39
Sunrise
18:54
Sunset
Moon
Waxing Crescent
11:29
Moonrise
20:25
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Derby.
Resources
UV Index
Humidity
Weather in Derby today, September 15, 2026
Expect a mostly clear day in Derby on September 15, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled.
The day peaks near 20°C and cools toward 10°C. Expect humidity between 57% and 88%, most humid near 22:00. Expect gentle winds, highest near 21:00 at 2.3 km/h.
Through the afternoon skies look more workable, with cloud near 6% around 22:00. Later outdoor plans have a clearer window than the morning may have suggested. Views remain open at about 16.1 km. Sunrise is at 06:39 and sunset at 18:54, giving 12 hours 15 minutes of sunlight today.
Taken together, settled sunshine in Derby on September 15, 2026 makes outdoor timing easier, with highs near 20°C.
Frequently asked questions about weather in Derby
How warm does it get in Derby?
The warmest month in Derby is July, with average high temperatures of 27°C. The average temperature during this period is around 24°C.
How cold does it get in Derby?
The coldest month in Derby is January, with average low temperatures of -1°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Derby?
The wettest month in Derby is December, with an average of 156mm of precipitation.
What is the driest time of year in Derby?
The driest month in Derby is June, with an average of 78mm of precipitation.
Explore more weather forecasts
- Shelton, Connecticut
- New York City, New York
- Ansonia, Connecticut
- Los Angeles, California
- Orange, Connecticut
- Brooklyn, New York
- Seymour, Connecticut
- Chicago, Illinois
- City of Milford (balance), Connecticut
- Houston, Texas
- Milford, Connecticut
- Queens, New York
- Trumbull, Connecticut
- Phoenix, Arizona
- Oxford, Connecticut
- Philadelphia, Pennsylvania