Weather forecast for 10 daysPortal, AZ
Weather forecast for the weekend
Sunday Oct 18, 2026
- 75°F
- 55°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphESE 106°
- Humidity: 44%
- UV index: 7
- Sunrise: 6:22 am MST
- Sunset: 5:40 pm MST
- details ▼
On Sunday, October 18, mostly sunny and dry conditions will continue.
The temperature variation is predicted to range from a maximum of a warm 75.2°F to a minimum of a moderate 55.4°F.
The anticipated peak temperature will reflect the average October high of 74.8°F.
Sunrise was at 6:22 am and sunset will be at 5:40 pm; the daylight will last for 11h and 19min.
The temperature variation is predicted to range from a maximum of a warm 75.2°F to a minimum of a moderate 55.4°F.
The anticipated peak temperature will reflect the average October high of 74.8°F.
Sunrise was at 6:22 am and sunset will be 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 60%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 75°F
- 55°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphESE 106°
- Humidity: 44%
- UV index: 7
- Sunrise: 6:22 am MST
- Sunset: 5:40 pm MST
- details ▼
- Monday
- Oct 19, 2026
- 73°F
- 55°F
PM Thunderstorms
- Precip. probability: 52%
- Precipitation: 0.16"
- Wind: 7mphSSE 167°
- Humidity: 62%
- UV index: 5
- Sunrise: 6:23 am MST
- Sunset: 5:39 pm MST
- details ▼
- Tuesday
- Oct 20, 2026
- 81°F
- 59°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphSSE 162°
- Humidity: 55%
- 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: 13%
- Precipitation: 0"
- Wind: 8mphSE 146°
- Humidity: 52%
- 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: 60%
- Precipitation: 0.16"
- Wind: 11mphS 184°
- Humidity: 56%
- 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: 19%
- Precipitation: 0"
- Wind: 9mphSSW 209°
- Humidity: 54%
- 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: 20%
- Precipitation: 0.04"
- Wind: 8mphSSE 163°
- Humidity: 50%
- 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: 37%
- Precipitation: 0.08"
- Wind: 9mphSE 125°
- Humidity: 56%
- 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: 9mphSE 139°
- Humidity: 58%
- UV index: 6
- Sunrise: 6:28 am MST
- Sunset: 5:32 pm MST
- details ▼
- Tuesday
- Oct 27, 2026
- 70°F
- 50°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 8mphSSE 162°
- Humidity: 58%
- UV index: 6
- Sunrise: 6:29 am MST
- Sunset: 5:31 pm MST
- details ▼
dull, thunderstorm-prone and bright weather is predicted.
Rainfall is forecasted for Monday, Thursday, Saturday and next Sunday. With light precipitation of 0.16", Monday and Thursday will be the wettest days.
Noticeable swings in temperature are expected in the coming days. Forecast highs will fluctuate between 69.8°F and 82.4°F, while the minimum temperature is forecast to range between 50°F and 60.8°F.
Wednesday will be the warmest day, with a maximum temperature of 82.4°F; the coldest days will be next Monday and Tuesday, with a maximum of 69.8°F.
Rainfall is forecasted for Monday, Thursday, Saturday and next Sunday. With light precipitation of 0.16", Monday and Thursday will be the wettest days.
Noticeable swings in temperature are expected in the coming days. Forecast highs will fluctuate between 69.8°F and 82.4°F, while the minimum temperature is forecast to range between 50°F and 60.8°F.
Wednesday will be the warmest day, with a maximum temperature of 82.4°F; the coldest days will be next Monday and Tuesday, with a maximum of 69.8°F.
Updated: Oct 18, 2026 @ 13:59:58 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
Today, mostly clear skies and sunshine will create ideal daytime conditions.
Today, the maximum temperature will be 75.2°F, while the minimum temperature will be 55.4°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 was at 6:22 am and sunset will be at 5:40 pm (MST).
Today, the daylight will last for 11h and 19min.
