Weather forecast for todayOntario, CA

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 12:35 am PST

  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 1mphNNE 30°
  • Humidity: 94%
  • Dewpoint: 54°F
  • Pressure: 29.92"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Ontario, the sky features a blend of clouds and blue patches.
The temperature is a refreshing 55.4°F. The current temperature is near the lowest expected 59°F for today.

Saturday Oct 31, 2026

  • 70°F
  • 59°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphS 172°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 7:09 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
Today, in Ontario, cloudy weather is anticipated.
Expected temperature values will span from an agreeable 69.8°F down to a mild 59°F.
Today, the maximum temperature is expected to align with November's average high of 70.7°F instead of October's.
Sunrise will be at 7:09 am and sunset at 5:58 pm; the daylight will last for 10h and 49min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 5 pm 68°C.
Coldest hour: 2 am 55°C.

Chance of precipitation

Highest chance: 11 pm 72%.

Hourly weather forecast

  • 2 am
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphNE 47°
  • Humidity: 93%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphNNE 28°
  • Humidity: 92%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 57°F
  • Feels like:
    57°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNE 53°
  • Humidity: 86%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:09 am
  • 8 am
  • 59°F
  • Feels like:
    59°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNE 44°
  • Humidity: 83%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 63°F
  • Feels like:
    63°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphESE 111°
  • Humidity: 69%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSE 144°
  • Humidity: 58%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 68°F
  • Feels like:
    68°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSW 205°
  • Humidity: 51%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSW 233°
  • Humidity: 50%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:58 pm
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 0.04"
  • Wind: 6mphWSW 255°
  • Humidity: 62%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 8 pm
  • 64°F
  • Feels like:
    64°F
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 0.04"
  • Wind: 6mphWSW 249°
  • Humidity: 74%
  • Pressure: 29.88"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 pm
  • 63°F
  • Feels like:
    63°F
Rain
Rain
  • Precip. probability: 64%
  • Precipitation: 0.04"
  • Wind: 4mphW 276°
  • Humidity: 81%
  • Pressure: 29.85"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
Today, in Ontario, a combination of overcast and rainy weather is forecasted.
With minimal precipitation of 0.04", rainfall is expected from 6 pm to 11 pm.
The temperature will be between a maximum of 68°F and a minimum of 55.4°F. The warmest part of the day will be from 1 pm to 5 pm.
The expected temperature aligns more with November's average high than with October's 79°F. The expected low will be consistent with the average minimum in October, which is 57.9°F.
Updated: Oct 31, 2026 @ 08:35:38 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (12:35 am PST) it is 55.4°F in Ontario.

Today, thick clouds will dominate the sky.

Today, the maximum temperature in Ontario will be 69.8°F, while the minimum temperature will be 59°F.
The maximum temperature will be noticeably lower than the average highest temperature of 79°F in October. The lowest temperature will be in line with the average low of 57.9°F.

On Saturday, in Ontario, sunrise will be at 7:09 am and sunset at 5:58 pm (PDT).

In Ontario, the length of the day today will be 10h and 49min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Ontario, California, USA

  • en: Ontario, California, USA
  • es: Ontario, California, EE.UU.
  • hr: Ontario, Kalifornija, SAD
  • mk: Ontario, Kalifornija, SAD
  • sr: Ontario, Kalifornija, SAD
  • zh: 安大略, 加利福尼亚州, 美国
  • Latitude: 34.063344°
  • Longitude: -117.650888°
  • Elevation: 997 ft
  • Current time: 1:35am PST
  • Sunrise: 7:09 am PST
  • Sunset: 5:58 pm PST
  • Timezone: America/Los_Angeles

Nearby Ontario, California, USA

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