Weather forecast for tomorrowSaint Johns, AZ

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphNNW 333°
  • Humidity: 46%
  • UV index: 5
  • Sunrise: 6:25 am MST
  • Sunset: 5:39 pm MST
  • ▼
On Sunday, October 18, sunlight and clouds will take turns dominating the sky.
Rainfall is not expected for tomorrow. The temperature is anticipated to vary between a maximum of a pleasant 69.8°F and a minimum of a frosty 44.6°F.
The maximum temperature is anticipated to match the regular October high of 68.2°F.
Sunrise will be at 6:25 am and sunset at 5:39 pm; tomorrow's daylight will last for 11h and 14min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 45°C.

Chance of precipitation

Highest chance: 3 am 21%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 180°
  • Humidity: 51%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphWNW 281°
  • Humidity: 57%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphS 174°
  • Humidity: 59%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphS 188°
  • Humidity: 66%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:25 am
  • 8 am
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 1mphNE 51°
  • Humidity: 60%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphN 0°
  • Humidity: 44%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphNNW 337°
  • Humidity: 37%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphNW 317°
  • Humidity: 40%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphNW 325°
  • Humidity: 41%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:39 pm
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphWNW 300°
  • Humidity: 52%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSW 220°
  • Humidity: 65%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphS 189°
  • Humidity: 73%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily cloudy and occasionally rain-soaked weather is expected.
The temperature will vary between a minimum of 44.6°F and a maximum of 68°F. The warmest part of the day will be at 3 pm and 4 pm.
The forecasted high will be alike with the typical October maximum of 68.2°F. Tomorrow, the lowest temperature will be also similar to October's usual minimum.
Updated: Oct 18, 2026 @ 02:31:17 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, a partly cloudy outlook will keep the sky interesting throughout the day.

No, it will not rain tomorrow.

Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 44.6°F.
The maximum temperature will be in line with the average highest temperature of 68.2°F in October. The lowest temperature tomorrow will be also in line with the average low temperature.

On Sunday, in Saint Johns, sunrise will be at 6:25 am and sunset at 5:39 pm (MST).

In Saint Johns, the length of the day tomorrow will be 11h and 14min.