15-Day Weather Forecast - Nashville
15-day weather forecast for Nashville: temperatures from 17°C (63°F) to 37°C (99°F). Average daily high 31°C (88°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Nashville's 15-day outlook ranges from a low of 17°C to a high of 37°C, with an average daytime high near 32°C. That's 2° above the long-term average high of 30°C for this time of year. It continues a recent pattern — 13 of the last 19 days with published data have run warmer than normal. Air quality is currently Moderate (AQI 65), driven mainly by PM2.5 at 16 μg/m³.
Today vs Normal
The long-term average high for today is 30°C.
13 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Extended Outlook for Nashville
Over the next 15 days, Nashville is forecast to see temperatures ranging from 16°C to 38°C, averaging a daily high of 32°C. The extended outlook indicates significant rainfall totalling 37.1 mm spread across 7 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.