Weather forecast for tomorrowSouth Tucson, AZ

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 84°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphS 180°
  • Humidity: 44%
  • UV index: 6
  • Sunrise: 6:30 am MST
  • Sunset: 5:46 pm MST
  • ▼
On Monday, October 19, expect a partly sunny afternoon with variable cloud cover.
Temperatures are predicted to peak at a warm 84.2°F and drop to a minimum of an enjoyable 66.2°F.
The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 84.2°F.
The expected daytime maximum should align with the typical October high of 81.1°F.
Sunrise will be at 6:30 am and sunset at 5:46 pm; tomorrow's daylight will last for 11h and 16min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 84°C.
Coldest period: 3 am - 6 am 68°C.

Chance of precipitation

Highest chance: 6 am - 3 pm 15%.

Hourly weather forecast

  • 12 am
  • 70°F
  • Feels like:
    70°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphESE 113°
  • Humidity: 53%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphESE 117°
  • Humidity: 54%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphESE 113°
  • Humidity: 57%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 68°F
  • Feels like:
    68°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 5mphESE 118°
  • Humidity: 60%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:30 am
  • 8 am
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphESE 113°
  • Humidity: 55%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 10 am
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphESE 118°
  • Humidity: 46%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 5mphSSE 156°
  • Humidity: 40%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 6
  • ▼
  • 2 pm
  • 84°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphSSW 214°
  • Humidity: 36%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 82°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphWNW 283°
  • Humidity: 37%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:46 pm
  • 6 pm
  • 79°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNW 316°
  • Humidity: 43%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphNNE 12°
  • Humidity: 50%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphESE 118°
  • Humidity: 58%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily dull and occasionally dry and sunny weather is expected.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 84.2°F. The hottest part of the day will be at 2 pm and 3 pm.
The highest temperature will be resembling October's average maximum of 81.1°F. Forecasts show a temperature more consistent with September's average minimum of 70.7°F rather than the October average of 60.4°F.
Updated: Oct 18, 2026 @ 12:30:11 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, variable cloud cover will persist, but sunshine will break through.

Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 66.2°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be 84.2°F.
The maximum temperature will be in line with the average highest temperature of 81.1°F in October. The lowest temperature will be relatively higher than the average low of 60.4°F.

On Monday, in South Tucson, sunrise will be at 6:30 am and sunset at 5:46 pm (MST).

In South Tucson, tomorrow, there will be 11h and 16min of daylight.