Weather forecast for todayOntario, CA
Weather forecast for today
Current condition 4:12 am PST
- 55°F
- Feels like:55°F
Partly Cloudy
- Precipitation: 0"
- Wind: 2mphENE 60°
- Humidity: 88%
- Dewpoint: 54°F
- Pressure: 29.92"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Currently, a mix of cloud cover and clear skies can be seen.
The temperature is a refreshing 55.4°F. The current temperature is almost at the minimum-predicted 57.2°F for today.
The temperature is a refreshing 55.4°F. The current temperature is almost at the minimum-predicted 57.2°F for today.
Saturday Oct 31, 2026
- 70°F
- 57°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0.59"
- Wind: 6mphSE 142°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:09 am PDT
- Sunset: 5:58 pm PDT
- details ▼
Today, the sky will remain cloudy throughout.
With a low probability, moderate precipitation is forecasted. The highest temperature will be a pleasant 69.8°F, while the lowest temperature will be a mild 57.2°F.
Today, expect colder conditions as the high matches November's average of 70.7°F, not October's.
Sunrise will be at 7:09 am and sunset at 5:58 pm; the daylight will last for 10h and 49min.
With a low probability, moderate precipitation is forecasted. The highest temperature will be a pleasant 69.8°F, while the lowest temperature will be a mild 57.2°F.
Today, expect colder conditions as the high matches November's average of 70.7°F, not 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 - 6 pm 68°C.
Coldest hour: 6 am 55°C.
Coldest hour: 6 am 55°C.
Chance of precipitation
Highest chance: 12 am 88%.
Hourly weather forecast
- 6 am
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphENE 67°
- Humidity: 88%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:09 am
- 8 am
- 57°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNE 54°
- Humidity: 86%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 63°F
- Feels like:63°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphESE 108°
- Humidity: 70%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 66°F
- Feels like:66°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 180°
- Humidity: 58%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphS 188°
- Humidity: 51%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 4mphSW 226°
- Humidity: 50%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 5:58 pm
- 6 pm
- 68°F
- Feels like:68°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphWSW 245°
- Humidity: 58%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 64°F
- Feels like:64°F
Light Rain
- Precip. probability: 67%
- Precipitation: 0.04"
- Wind: 6mphWSW 238°
- Humidity: 73%
- Pressure: 29.85"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 pm
- 63°F
- Feels like:63°F
Rain
- Precip. probability: 83%
- Precipitation: 0.08"
- Wind: 4mphWSW 248°
- Humidity: 80%
- Pressure: 29.85"Hg
- Visibility: 5mi
- UV index: 0
- details ▼
Today, in Ontario, a combination of overcast and rain-filled weather is expected.
Rain is expected from 7 pm to 11 pm. With light precipitation of 0.08", the most intense rain will be falling at 10 pm and 11 pm.
The temperature will be between the lowest temperature of 55.4°F and the highest temperature of 69.8°F. The warmest part of the day is expected around 3 pm.
Today, the forecast temperature is more consistent with November's average maximum of 70.7°F than October's. Today, the lowest temperature will be in line with October's usual minimum.
Rain is expected from 7 pm to 11 pm. With light precipitation of 0.08", the most intense rain will be falling at 10 pm and 11 pm.
The temperature will be between the lowest temperature of 55.4°F and the highest temperature of 69.8°F. The warmest part of the day is expected around 3 pm.
Today, the forecast temperature is more consistent with November's average maximum of 70.7°F than October's. Today, the lowest temperature will be in line with October's usual minimum.
Updated: Oct 31, 2026 @ 12:12:25 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The temperature at 4:12 am PST is 55.4°F.
Today, in Ontario, the sky will remain cloudy throughout.
Moderate precipitation of 0.59" is expected in Ontario. The possibility of rainfall is 24%.
Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 57.2°F.
Today, 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.
Today, 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.
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: 5:12am PST
- Sunrise: 7:09 am PST
- Sunset: 5:58 pm PST
- Timezone: America/Los_Angeles
Nearby Ontario, California, USA
- Upland (2 mi)
- Montclair (2 mi)
- Guasti (4 mi)
- Chino (4 mi)
- Rancho Cucamonga (4 mi)
- Claremont (4 mi)
- Alta Loma (5 mi)
- Champagne (6 mi)
- Pomona (6 mi)
- Rochester (6 mi)
- San Antonio Heights (6 mi)
- Grapeland (7 mi)
- Chino Hills (7 mi)
- La Verne (7 mi)
- Etiwanda (9 mi)
- Eastvale (9 mi)
- San Dimas (9 mi)
- Mira Loma (9 mi)
- Kaiser (9 mi)
- Glen Avon (10 mi)
- Norco (11 mi)
- Pedley (12 mi)
- Charter Oak (12 mi)
- Fontana (12 mi)
California, USA - most visited locations
- Los Angeles
- San Francisco
- San Diego
- San Jose
- Sacramento
- Fresno
- Long Beach
- Oakland
- Bakersfield
- Anaheim
- Santa Ana
- Riverside
- Stockton
- Irvine
- Chula Vista
- Fremont
- Santa Rosa
- Pasadena
- Hayward
- Salinas
- Sunnyvale
- Berkeley
- Pomona
- Visalia
- Santa Clara
- Carlsbad
- Ventura
- West Covina
- Fullerton
- Norwalk
- Daly City
- Murrieta
- Burbank
- El Cajon
- San Mateo
- Clovis





