Weather forecast for tomorrowCatalina, AZ
Weather forecast for tomorrow
Monday Oct 19, 2026
- 81°F
- 63°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 7mphSSW 202°
- Humidity: 49%
- UV index: 6
- Sunrise: 6:30 am MST
- Sunset: 5:46 pm MST
- details ▼
Tomorrow, in Catalina, a pleasant mix of sun and clouds will define the day.
A temperature range of a moderately hot 80.6°F to an enjoyable 62.6°F is expected.
The maximum heat index, which modifies the air temperature to account for humidity, is estimated at 80.6°F.
Forecasts show the temperature forecasted to reach the usual October high of 79.3°F.
Sunrise will be at 6:30 am and sunset at 5:46 pm; tomorrow's daylight will last for 11h and 16min.
A temperature range of a moderately hot 80.6°F to an enjoyable 62.6°F is expected.
The maximum heat index, which modifies the air temperature to account for humidity, is estimated at 80.6°F.
Forecasts show the temperature forecasted to reach the usual October high of 79.3°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 81°C.
Coldest period: 3 am - 6 am 64°C.
Coldest period: 3 am - 6 am 64°C.
Chance of precipitation
Highest chance: 3 pm 18%.
Hourly weather forecast
- 12 am
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphE 100°
- Humidity: 58%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 64°F
- Feels like:64°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphE 91°
- Humidity: 59%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphE 95°
- Humidity: 61%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 5mphE 93°
- Humidity: 64%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:30 am
- 8 am
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphE 79°
- Humidity: 60%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 5mphSSE 161°
- Humidity: 51%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 12 pm
- 77°F
- Feels like:77°F
Mostly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphSSW 197°
- Humidity: 45%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 79°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphSW 219°
- Humidity: 41%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 79°F
- Feels like:79°F
Mostly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphWSW 248°
- Humidity: 44%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:46 pm
- 6 pm
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 4mphNNW 336°
- Humidity: 55%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 70°F
- Feels like:70°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphENE 73°
- Humidity: 66%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphE 101°
- Humidity: 68%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily overcast and occasionally bright weather is expected.
The temperature will vary between a minimum of 64.4°F and a maximum of 78.8°F. The warmest part of the day will be from 1 pm to 4 pm.
The highest temperature will be similar to October's average maximum of 79.3°F. The minimum temperature will be also close to October's average low of 59.5°F.
The temperature will vary between a minimum of 64.4°F and a maximum of 78.8°F. The warmest part of the day will be from 1 pm to 4 pm.
The highest temperature will be similar to October's average maximum of 79.3°F. The minimum temperature will be also close to October's average low of 59.5°F.
Updated: Oct 18, 2026 @ 12:22:50 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
On Monday, clouds and sunshine will create a dynamic sky throughout the day.
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 62.6°F. The maximum heat index, which combines relative humidity and air temperature, is calculated to be 80.6°F.
The maximum temperature will be in line with the average highest temperature of 79.3°F in October. The lowest temperature will be also in line with the average low of 59.5°F.
The maximum temperature will be in line with the average highest temperature of 79.3°F in October. The lowest temperature will be also in line with the average low of 59.5°F.
On Monday, in Catalina, sunrise will be at 6:30 am and sunset at 5:46 pm (MST).
Tomorrow, the daylight will last for 11h and 16min.
