Weather forecast for tomorrowArivaca, AZ
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 81°F
- 59°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphS 187°
- Humidity: 42%
- UV index: 7
- Sunrise: 6:30 am MST
- Sunset: 5:50 pm MST
- details ▼
Tomorrow, the sky will feature a blend of clouds and sunshine.
The temperature is predicted to vary between a temperate 80.6°F and a refreshing 59°F.
The maximum heat index, which measures the combined effect of heat and moisture, is appraised at 80.6°F.
The forecasted maximum temperature will closely reflect October's average high of 81°F.
Sunrise will be at 6:30 am and sunset at 5:50 pm; tomorrow's daylight will last for 11h and 19min.
The temperature is predicted to vary between a temperate 80.6°F and a refreshing 59°F.
The maximum heat index, which measures the combined effect of heat and moisture, is appraised at 80.6°F.
The forecasted maximum temperature will closely reflect October's average high of 81°F.
Sunrise will be at 6:30 am and sunset at 5:50 pm; tomorrow's daylight will last for 11h and 19min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 79°C.
Coldest hour: 6 am 55°C.
Coldest hour: 6 am 55°C.
Chance of precipitation
Highest chance: 5%.
Hourly weather forecast
- 12 am
- 59°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphE 97°
- Humidity: 50%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphE 100°
- Humidity: 51%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphE 93°
- Humidity: 57%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphESE 108°
- Humidity: 59%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:30 am
- 8 am
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphESE 111°
- Humidity: 48%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 72°F
- Feels like:72°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSE 143°
- Humidity: 40%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 12 pm
- 77°F
- Feels like:77°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 186°
- Humidity: 39%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 2 pm
- 79°F
- Feels like:79°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSW 212°
- Humidity: 38%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 79°F
- Feels like:79°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 230°
- Humidity: 38%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:50 pm
- 6 pm
- 73°F
- Feels like:73°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphWSW 256°
- Humidity: 47%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 68°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 49°
- Humidity: 61%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 64°F
- Feels like:64°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 105°
- Humidity: 69%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily gloomy and occasionally clear weather is predicted.
The temperature will be between the lowest temperature of 55.4°F and the highest temperature of 78.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted high will be comparable to the typical October maximum of 81°F. Tomorrow, the minimum temperature will be also resembling the average low for October.
The temperature will be between the lowest temperature of 55.4°F and the highest temperature of 78.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted high will be comparable to the typical October maximum of 81°F. Tomorrow, the minimum temperature will be also resembling the average low for October.
Updated: Oct 17, 2026 @ 21:54:58 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, in Arivaca, sunlight and clouds will take turns dominating the sky.
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 59°F. The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 80.6°F.
Tomorrow, the highest temperature 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.
Tomorrow, the highest temperature 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 Arivaca, sunrise will be at 6:30 am and sunset at 5:50 pm (MST).
In Arivaca, tomorrow, there will be 11h and 19min of daylight.





