Weather forecast for 10 daysCalimesa, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 81°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphENE 70°
  • Humidity: 32%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
On Sunday, October 18, conditions will remain bright with clear skies.
Temperature is forecasted to swing from a high of a temperate 80.6°F to a low of a refreshing 57.2°F.
Tomorrow, the expected temperature appears higher and closer to September's norm of 84.6°F.
Sunrise will be at 6:56 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest period: tomorrow - Monday 81°C.
Coldest day: Thursday 59°C.

Chance of precipitation

Highest chance: Thursday 80%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 11mphENE 67°
  • Humidity: 42%
  • UV index: 0
  • Sunrise: 6:55 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 81°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphENE 70°
  • Humidity: 32%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 81°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphW 272°
  • Humidity: 36%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 77°F
  • 55°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphSSW 199°
  • Humidity: 46%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 52°F
PM Showers
PM Showers
  • Precip. probability: 45%
  • Precipitation: 0.39"
  • Wind: 11mphS 184°
  • Humidity: 57%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 59°F
  • 46°F
Thunderstorms
Thunderstorms
  • Precip. probability: 80%
  • Precipitation: 0.35"
  • Wind: 8mphSW 226°
  • Humidity: 84%
  • UV index: 4
  • Sunrise: 6:59 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 7mphW 280°
  • Humidity: 75%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphNE 37°
  • Humidity: 49%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphS 184°
  • Humidity: 48%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 9mphSE 146°
  • Humidity: 63%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:01 pm PDT
  • ▼
Weather fluctuations are likely over the next ten days, and a mix of clear, cloud-filled, rain-filled and storm-filled weather is forecasted.
Rain is forecasted for Wednesday and Thursday.
Temperature differences will be noticeable throughout the forecast window. The maximum temperature will vary between 59°F and 80.6°F, while the minimum temperature is forecast to range between 46.4°F and 57.2°F.
With a maximum temperature of 80.6°F, Sunday and Monday will be the warmest days; with the highest temperature of 59°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 01:04:26 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunny skies are in store, with excellent visibility.

Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 57.2°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 74.3°F in October. Tomorrow, the lowest temperature will be also a few degrees higher than the average low temperature.

On Sunday, in Calimesa, sunrise will be at 6:56 am and sunset at 6:10 pm (PDT).

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