Weather forecast for tomorrowFountain Hills, AZ
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 79°F
- 66°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphNE 48°
- Humidity: 41%
- UV index: 5
- Sunrise: 6:34 am MST
- Sunset: 5:49 pm MST
- details ▼
On Sunday, October 18, moderate cloud cover will mix with sunshine throughout the day.
The temperature is predicted to vary between a warm 78.8°F and an enjoyable 66.2°F.
The temperature for tomorrow is anticipated to correspond with the average October peak of 81.9°F.
Sunrise will be at 6:34 am and sunset at 5:49 pm; tomorrow's daylight will last for 11h and 16min.
The temperature is predicted to vary between a warm 78.8°F and an enjoyable 66.2°F.
The temperature for tomorrow is anticipated to correspond with the average October peak of 81.9°F.
Sunrise will be at 6:34 am and sunset at 5:49 pm; tomorrow's daylight will last for 11h and 16min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 77°C.
Coldest hour: 6 am 66°C.
Coldest hour: 6 am 66°C.
Chance of precipitation
Highest chance: 12 am 24%.
Hourly weather forecast
- 12 am
- 68°F
- Feels like:68°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphNE 37°
- Humidity: 39%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 68°F
- Feels like:68°F
Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 7mphNNE 33°
- Humidity: 42%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 66°F
- Feels like:66°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphNNE 31°
- Humidity: 44%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 66°F
- Feels like:66°F
Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 6mphNNE 32°
- Humidity: 48%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:34 am
- 8 am
- 66°F
- Feels like:66°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 8mphNNE 33°
- Humidity: 48%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 70°F
- Feels like:70°F
Mostly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 9mphNE 40°
- Humidity: 41%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 75°F
- Feels like:75°F
Mostly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 9mphENE 71°
- Humidity: 36%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 77°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphE 82°
- Humidity: 35%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 77°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNE 44°
- Humidity: 38%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:49 pm
- 6 pm
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNE 22°
- Humidity: 45%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNNE 22°
- Humidity: 52%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 70°F
- Feels like:70°F
Mostly Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNNE 22°
- Humidity: 60%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of primarily gloomy and occasionally damp and mostly clear weather is predicted.
With a probability of 43%, minimal rainfall is anticipated around 7 am.
The temperature will be between the lowest temperature of 64.4°F and the highest temperature of 77°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the maximum will be comparable to October's typical high. The lowest temperature tomorrow will be also alike with October's average minimum.
With a probability of 43%, minimal rainfall is anticipated around 7 am.
The temperature will be between the lowest temperature of 64.4°F and the highest temperature of 77°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the maximum will be comparable to October's typical high. The lowest temperature tomorrow will be also alike with October's average minimum.
Updated: Oct 17, 2026 @ 13:56:05 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, moderate cloud cover will mix with sunshine throughout the day.
Tomorrow, the highest temperature will be 78.8°F, while the lowest temperature will be 66.2°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.
On Sunday, in Fountain Hills, sunrise will be at 6:34 am and sunset at 5:49 pm (MST).
Tomorrow, the daylight will last for 11h and 16min.
