See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:15
Sunrise
18:27
Sunset
Moon
Waxing Crescent
10:49
Moonrise
20:21
Moonset
Daily Forecast
Tuesday
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Fountain Hills.
Resources
UV Index
Humidity
Weather in Fountain Hills tomorrow, September 16, 2026
Expect a mostly clear day in Fountain Hills on September 16, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The morning sky stays heavily clouded, with cover near 100% around 03:00. Grey conditions set the early tone before any later change.
The temperature range runs from about 22°C up to 32°C. The air stays humid, with relative humidity between 46% and 76% and the peak around 19:00. Winds stay light, near 4.9 km/h by 01:00, so the day feels still more than breezy.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Expect visibility around 16.1 km. Expect sunrise at 06:16, sunset at 18:25, and 12 hours 9 minutes of sunlight today overall.
In short, September 16, 2026 looks like a fine day in Fountain Hills for being outside, peaking around 32°C.
Frequently asked questions about weather in Fountain Hills
How warm does it get in Fountain Hills?
The warmest month in Fountain Hills is July, with average high temperatures of 41°C. The average temperature during this period is around 35°C.
How cold does it get in Fountain Hills?
The coldest month in Fountain Hills is January, with average low temperatures of 6°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Fountain Hills?
The wettest month in Fountain Hills is January, with an average of 38mm of precipitation.
What is the driest time of year in Fountain Hills?
The driest month in Fountain Hills is May, with an average of 2mm of precipitation.
Explore more weather forecasts
- Scottsdale, Arizona
- New York City, New York
- Paradise Valley, Arizona
- Los Angeles, California
- Mesa, Arizona
- Brooklyn, New York
- Apache Junction, Arizona
- Chicago, Illinois
- Tempe, Arizona
- Houston, Texas
- Gilbert, Arizona
- Queens, New York
- Tempe Junction, Arizona
- Phoenix, Arizona
- Chandler, Arizona
- Philadelphia, Pennsylvania