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 ▼
On Sunday, October 18, a mix of clouds and blue sky is expected.
The maximum temperature will be a moderately hot 80.6°F, while the minimum temperature will be a mild 59°F.
The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 80.6°F.
The anticipated high for tomorrow will reflect the normal October maximum 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 maximum temperature will be a moderately hot 80.6°F, while the minimum temperature will be a mild 59°F.
The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 80.6°F.
The anticipated high for tomorrow will reflect the normal October maximum 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 184°
- Humidity: 38%
- 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, primarily gloomy and occasionally dry and sunny weather is forecasted.
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 highest temperature will be resembling October's average maximum of 81°F. The minimum temperature will be also consistent with October's average low of 59.7°F.
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 highest temperature will be resembling October's average maximum of 81°F. The minimum temperature will be also consistent with October's average low of 59.7°F.
Updated: Oct 17, 2026 @ 23:14:43 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, moments of sunshine will break through the patchy clouds.
Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 59°F. The maximum heat index, which combines air temperature and relative humidity, is assessed at 80.6°F.
The maximum temperature will be in line with the average highest temperature of 81°F in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
The maximum temperature will be in line with the average highest temperature of 81°F in October. Tomorrow, the lowest temperature 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, the length of the day tomorrow will be 11h and 19min.
