Weather forecast for tomorrowPortal, AZ
Weather forecast for tomorrow
Monday Oct 19, 2026
- 75°F
- 55°F
PM Thunderstorms
- Precip. probability: 50%
- Precipitation: 0"
- Wind: 6mphS 169°
- Humidity: 61%
- UV index: 6
- Sunrise: 6:23 am MST
- Sunset: 5:39 pm MST
- details ▼
On Monday, in Portal, afternoon thunderstorms are expected, possibly with frequent lightning.
Minimal precipitation is predicted for tomorrow. The maximum anticipated temperature is a moderately hot 75.2°F, while the minimum temperature will be a mild 55.4°F.
October's standard high of 74.8°F is anticipated to be reached during the day.
Sunrise will be at 6:23 am and sunset at 5:39 pm; tomorrow's daylight will last for 11h and 17min.
Minimal precipitation is predicted for tomorrow. The maximum anticipated temperature is a moderately hot 75.2°F, while the minimum temperature will be a mild 55.4°F.
October's standard high of 74.8°F is anticipated to be reached during the day.
Sunrise will be at 6:23 am and sunset at 5:39 pm; tomorrow's daylight will last for 11h and 17min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 73°C.
Coldest hour: 6 am 55°C.
Coldest hour: 6 am 55°C.
Chance of precipitation
Highest chance: 3 pm 51%.
Hourly weather forecast
- 12 am
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSW 193°
- Humidity: 68%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 4mphSSW 204°
- Humidity: 74%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 3mphSSW 205°
- Humidity: 78%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphS 180°
- Humidity: 83%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:23 am
- 8 am
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 2mphSE 145°
- Humidity: 71%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 4mphSE 127°
- Humidity: 61%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 12 pm
- 72°F
- Feels like:72°F
Mostly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 4mphSSE 159°
- Humidity: 55%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 73°F
- Feels like:73°F
Scattered Thunderstorms
- Precip. probability: 50%
- Precipitation: 0.04"
- Wind: 5mphS 182°
- Humidity: 51%
- Pressure: 29.85"Hg
- Visibility: 7mi
- UV index: 4
- details ▼
- 4 pm
- 72°F
- Feels like:72°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphS 191°
- Humidity: 54%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:39 pm
- 6 pm
- 66°F
- Feels like:66°F
Mostly Clear
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 3mphSSW 202°
- Humidity: 69%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 63°F
- Feels like:63°F
Mostly Clear
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 4mphS 170°
- Humidity: 81%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphSSW 197°
- Humidity: 84%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of primarily cloudy and occasionally clear and lightning-active weather is predicted.
Rainfall is anticipated from 1 pm to 3 pm. With light precipitation of 0.08", most rainfall is expected at 3 pm.
The temperature will vary between the lowest temperature of 55.4°F and the highest temperature of 73.4°F. The warmest part of the day will be from 1 pm to 3 pm.
The high temperature is expected to be similar to October's usual value of 74.8°F. The minimum temperature will be also resembling October's average low of 55.9°F.
Rainfall is anticipated from 1 pm to 3 pm. With light precipitation of 0.08", most rainfall is expected at 3 pm.
The temperature will vary between the lowest temperature of 55.4°F and the highest temperature of 73.4°F. The warmest part of the day will be from 1 pm to 3 pm.
The high temperature is expected to be similar to October's usual value of 74.8°F. The minimum temperature will be also resembling October's average low of 55.9°F.
Updated: Oct 18, 2026 @ 10:05:58 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
Tomorrow, in Portal, thunderstorms may roll in by the afternoon, bringing brief intense rainfall.
Tomorrow, there is a low chance of minimal precipitation in Portal.
Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 55.4°F.
The highest temperature will be in line with the average maximum of 74.8°F in October. The lowest temperature will be also in line with the average low of 55.9°F.
The highest temperature will be in line with the average maximum of 74.8°F in October. The lowest temperature will be also in line with the average low of 55.9°F.
On Monday, in Portal, sunrise will be at 6:23 am and sunset at 5:39 pm (MST).
Tomorrow in Portal, Arizona, the daylight will last for 11h and 17min.
