See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
28°
Clear
Feels Like: 32°
Min: 22°
Max: 30°
The next few hours will be clear, with today reaching 30°C and dropping to 22°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
07:25
Sunrise
19:37
Sunset
Moon
Waxing Crescent
11:56
Moonrise
21:28
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 Roswell.
Resources
UV Index
Humidity
Weather in Roswell today, September 15, 2026
Roswell keeps a mostly sunny profile on September 15, 2026, aside from a cloudier spell around 12:00. Outside that window, bright conditions should still lead the day.
Expect highs of 30°C and cooler readings close to 22°C. The air stays humid, with relative humidity between 53% and 84% and the peak around 23:00. Winds stay light, near 4.4 km/h by 13:00, so the day feels still more than breezy.
Later hours favour clearer intervals, as cloud stays near 15% around 12:00. The afternoon is the better half for outdoor time. Horizontal visibility holds close to 16.1 km. Daylight runs from 07:25 to 19:37, lasting 12 hours 11 minutes of sunlight today.
Overall, Roswell on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 30°C.
Frequently asked questions about weather in Roswell
How warm does it get in Roswell?
The warmest month in Roswell is July, with average high temperatures of 31°C. The average temperature during this period is around 26°C.
How cold does it get in Roswell?
The coldest month in Roswell is January, with average low temperatures of 2°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Roswell?
The wettest month in Roswell is March, with an average of 137mm of precipitation.
What is the driest time of year in Roswell?
The driest month in Roswell is November, with an average of 82mm of precipitation.
Explore more weather forecasts
- Alpharetta, Georgia
- New York City, New York
- Dunwoody, Georgia
- Los Angeles, California
- Sandy Springs, Georgia
- Brooklyn, New York
- Milton, Georgia
- Chicago, Illinois
- Peachtree Corners, Georgia
- Houston, Texas
- Johns Creek, Georgia
- Queens, New York
- Doraville, Georgia
- Phoenix, Arizona
- Chamblee, Georgia
- Philadelphia, Pennsylvania