Weather forecast for 10 daysCatalina, AZ
Weather forecast for the weekend
Sunday Oct 18, 2026
- 81°F
- 63°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphSE 141°
- Humidity: 44%
- UV index: 6
- Sunrise: 6:30 am MST
- Sunset: 5:47 pm MST
- details ▼
Today, in Catalina, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
The anticipated temperature range extends from a high of a temperate 80.6°F to a low of an enjoyable 62.6°F.
The maximum heat index, which combines air temperature and relative humidity, is calculated to be 80.6°F.
October's usual high of 79.3°F is anticipated to be matched by the day’s maximum temperature.
Sunrise will be at 6:30 am and sunset at 5:47 pm; the daylight will last for 11h and 17min.
The anticipated temperature range extends from a high of a temperate 80.6°F to a low of an enjoyable 62.6°F.
The maximum heat index, which combines air temperature and relative humidity, is calculated to be 80.6°F.
October's usual high of 79.3°F is anticipated to be matched by the day’s maximum temperature.
Sunrise will be at 6:30 am and sunset at 5:47 pm; the daylight will last for 11h and 17min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Wednesday 84°C.
Minimum temperature: 73°C.
Minimum temperature: 73°C.
Chance of precipitation
Highest chance: Thursday 68%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 81°F
- 63°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphSE 141°
- Humidity: 44%
- UV index: 6
- Sunrise: 6:30 am MST
- Sunset: 5:47 pm MST
- details ▼
- Monday
- Oct 19, 2026
- 81°F
- 64°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 7mphSSW 203°
- Humidity: 49%
- UV index: 6
- Sunrise: 6:30 am MST
- Sunset: 5:46 pm MST
- details ▼
- Tuesday
- Oct 20, 2026
- 84°F
- 68°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphS 183°
- Humidity: 46%
- UV index: 5
- Sunrise: 6:31 am MST
- Sunset: 5:45 pm MST
- details ▼
- Wednesday
- Oct 21, 2026
- 84°F
- 68°F
PM Thunderstorms
- Precip. probability: 45%
- Precipitation: 0.16"
- Wind: 9mphS 179°
- Humidity: 49%
- UV index: 4
- Sunrise: 6:32 am MST
- Sunset: 5:44 pm MST
- details ▼
- Thursday
- Oct 22, 2026
- 79°F
- 57°F
Thunderstorms
- Precip. probability: 68%
- Precipitation: 0.24"
- Wind: 10mphSSW 209°
- Humidity: 58%
- UV index: 5
- Sunrise: 6:33 am MST
- Sunset: 5:43 pm MST
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 55°F
Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 8mphWSW 253°
- Humidity: 55%
- UV index: 6
- Sunrise: 6:33 am MST
- Sunset: 5:42 pm MST
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 57°F
Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 6mphWSW 244°
- Humidity: 43%
- UV index: 6
- Sunrise: 6:34 am MST
- Sunset: 5:40 pm MST
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 61°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphSE 137°
- Humidity: 40%
- UV index: 6
- Sunrise: 6:35 am MST
- Sunset: 5:39 pm MST
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 59°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphS 191°
- Humidity: 47%
- UV index: 6
- Sunrise: 6:36 am MST
- Sunset: 5:38 pm MST
- details ▼
- Tuesday
- Oct 27, 2026
- 73°F
- 57°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 9mphSSW 192°
- Humidity: 49%
- UV index: 6
- Sunrise: 6:37 am MST
- Sunset: 5:37 pm MST
- details ▼
Over the next ten days, a mix of overcast, sun-filled and turbulent weather is predicted.
Rainfall is predicted for Wednesday and Thursday.
In the upcoming period, the highest temperature will range between 73.4°F and 84.2°F, while the variation in nighttime lows will be notably wide, as the overnight lows will vary from 55.4°F to 68°F.
With a maximum temperature of 84.2°F, Tuesday and Wednesday will be the hottest days; with a maximum temperature of 73.4°F, Friday and next Tuesday will be the coldest days.
Rainfall is predicted for Wednesday and Thursday.
In the upcoming period, the highest temperature will range between 73.4°F and 84.2°F, while the variation in nighttime lows will be notably wide, as the overnight lows will vary from 55.4°F to 68°F.
With a maximum temperature of 84.2°F, Tuesday and Wednesday will be the hottest days; with a maximum temperature of 73.4°F, Friday and next Tuesday will be the coldest days.
Updated: Oct 18, 2026 @ 10:44:21 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, in Catalina, sun and clouds will share the sky, creating a partly cloudy day.
Today, 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 assessed at 80.6°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 59.5°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 59.5°F.
On Sunday, in Catalina, sunrise will be at 6:30 am and sunset at 5:47 pm (MST).
In Catalina, the length of the day today will be 11h and 17min.





