Weather forecast for 10 daysPortal, AZ
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 54°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphESE 102°
- Humidity: 47%
- UV index: 7
- Sunrise: 6:22 am MST
- Sunset: 5:40 pm MST
- details ▼
Today, sunlight and clouds will take turns dominating the sky.
The highest temperature will be a moderately hot 73.4°F, while the lowest temperature will be a fresh 53.6°F.
Today, the expected peak temperature is expected to mirror October's average high of 74.8°F.
Sunrise will be at 6:22 am and sunset at 5:40 pm; the daylight will last for 11h and 19min.
The highest temperature will be a moderately hot 73.4°F, while the lowest temperature will be a fresh 53.6°F.
Today, the expected peak temperature is expected to mirror October's average high of 74.8°F.
Sunrise will be at 6:22 am and sunset at 5:40 pm; the daylight will last for 11h and 19min.
10-day overview
Daily temperatures
Warmest day: Wednesday 82°C.
Coldest period: Monday - Tuesday 70°C.
Coldest period: Monday - Tuesday 70°C.
Chance of precipitation
Highest chance: Thursday 58%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 73°F
- 54°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphESE 102°
- Humidity: 47%
- UV index: 7
- Sunrise: 6:22 am MST
- Sunset: 5:40 pm MST
- details ▼
- Monday
- Oct 19, 2026
- 75°F
- 55°F
Isolated Thunderstorms
- Precip. probability: 47%
- Precipitation: 0.08"
- Wind: 7mphS 173°
- Humidity: 61%
- UV index: 6
- Sunrise: 6:23 am MST
- Sunset: 5:39 pm MST
- details ▼
- Tuesday
- Oct 20, 2026
- 79°F
- 59°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 7mphSSE 161°
- Humidity: 54%
- UV index: 6
- Sunrise: 6:23 am MST
- Sunset: 5:38 pm MST
- details ▼
- Wednesday
- Oct 21, 2026
- 82°F
- 61°F
Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 8mphSE 142°
- Humidity: 51%
- UV index: 4
- Sunrise: 6:24 am MST
- Sunset: 5:37 pm MST
- details ▼
- Thursday
- Oct 22, 2026
- 79°F
- 55°F
Scattered Thunderstorms
- Precip. probability: 58%
- Precipitation: 0.12"
- Wind: 12mphS 183°
- Humidity: 54%
- UV index: 5
- Sunrise: 6:25 am MST
- Sunset: 5:36 pm MST
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 10mphSSW 213°
- Humidity: 51%
- UV index: 6
- Sunrise: 6:26 am MST
- Sunset: 5:35 pm MST
- details ▼
- Saturday
- Oct 24, 2026
- 73°F
- 50°F
Mostly Sunny
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 7mphS 176°
- Humidity: 48%
- UV index: 6
- Sunrise: 6:26 am MST
- Sunset: 5:34 pm MST
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 52°F
Isolated Thunderstorms
- Precip. probability: 32%
- Precipitation: 0.08"
- Wind: 10mphSE 124°
- Humidity: 53%
- UV index: 6
- Sunrise: 6:27 am MST
- Sunset: 5:33 pm MST
- details ▼
- Monday
- Oct 26, 2026
- 70°F
- 52°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphSSE 153°
- Humidity: 59%
- UV index: 5
- Sunrise: 6:28 am MST
- Sunset: 5:32 pm MST
- details ▼
- Tuesday
- Oct 27, 2026
- 70°F
- 50°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 8mphS 176°
- Humidity: 57%
- UV index: 6
- Sunrise: 6:29 am MST
- Sunset: 5:31 pm MST
- details ▼
Models point to a combination of overcast, thunderstorm-prone and sun-filled weather is forecasted.
Rain is expected on Monday, Thursday and next Sunday.
Temperature variation will be noticeable across the forecast period. Highs will range from 69.8°F to 82.4°F, while nighttime temperatures are expected to vary from 50°F to 60.8°F.
Expect the warmest day on Wednesday, with temperatures peaking at 82.4°F; the coldest days will be next Monday and Tuesday, with a maximum of 69.8°F.
Rain is expected on Monday, Thursday and next Sunday.
Temperature variation will be noticeable across the forecast period. Highs will range from 69.8°F to 82.4°F, while nighttime temperatures are expected to vary from 50°F to 60.8°F.
Expect the warmest day on Wednesday, with temperatures peaking at 82.4°F; the coldest days will be next Monday and Tuesday, with a maximum of 69.8°F.
Updated: Oct 18, 2026 @ 11:46:46 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
Today, clouds and sunshine will create a dynamic sky throughout the day.
Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 53.6°F.
The maximum temperature will be in line with the average highest temperature of 74.8°F in October. Today, 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 74.8°F in October. Today, the lowest temperature will be also in line with the average low temperature.
On Sunday, in Portal, sunrise will be at 6:22 am and sunset at 5:40 pm (MST).
In Portal, the length of the day today will be 11h and 19min.





