Ontario Weather Forecast

California, United States of America

Weather today in Ontario

Weather is Patchy rain nearby Weather today in Ontario will be patchy rain nearby. The daytime temperature is going to reach 22.8 °c and the temperature is going to dip to 17.5 °c at night. We expect around 8.8 mm of precipitation to fall, the humidity will be around 65%.

Weather tomorrow in Ontario

Weather is Light rain showerOntario weather tomorrow is forecasted to be light rain shower. We expect around 7.9 mm of precipitation to fall. The daytime temperature will be around 17.2 °c and the temperature is going to dip to 15.7 °c at night. The humidity will be 66%.

10-day weather forecast Ontario

 TodayTomorrowTueWedThuFriSatSunMonTue
WeatherPatchy rain nearbyLight rain showerSunnySunnySunnySunnySunnySunnySunnySunny
Max22.8°c17.2°c21.9°c27.5°c31.4°c33.9°c33.9°c32.7°c30.4°c28.5°c
Min17.5°c15.7°c14.4°c17.4°c20.3°c23.5°c25.4°c24.7°c23.6°c21.3°c
Wind23.8 kmph14.0 kmph14.0 kmph13.0 kmph8.3 kmph11.5 kmph19.4 kmph17.3 kmph15.1 kmph14.4 kmph
Precip8.80 mm7.90 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm0.00 mm
Humidity65%66%52%31%17%14%17%16%25%45%
Sunrise06:52 AM06:53 AM06:54 AM06:55 AM06:55 AM06:56 AM06:57 AM06:58 AM06:59 AM06:59 AM
Sunset06:21 PM06:20 PM06:19 PM06:18 PM06:16 PM06:15 PM06:14 PM06:13 PM06:12 PM06:10 PM
Moonrise08:00 AM09:09 AM10:16 AM11:20 AM12:18 PM01:08 PM01:50 PM02:26 PM02:57 PM03:25 PM
Moonset06:46 PM07:24 PM08:07 PM08:55 PM09:49 PM10:47 PM11:46 PMDoes not set today12:45 AM01:43 AM
PhaseNew MoonWaxing CrescentWaxing CrescentWaxing CrescentWaxing CrescentFirst QuarterFirst QuarterFirst QuarterFirst QuarterWaxing Gibbous
Illum151118273747586877
UV2.35.267888887
 HourlyHourlyHourlyHourlyHourlyHourlyHourlyHourlyHourlyHourly

Swipe the table sideways to see every day.

Build with Ontario weather data

Everything on this page comes from the WeatherAPI.com REST API. Add live weather for Ontario, or any of millions of places worldwide, to your app or website in minutes.

  • Realtime & 14-day forecastCurrent conditions, daily and hourly forecasts, alerts.
  • History from 2010Hourly historical weather and future weather.
  • Marine, air quality & pollenTides, waves, AQI and pollen in the same call.
  • Solar & agricultureIrradiance, PV output and evapotranspiration.
Get a free API key Read the docs See pricing

About Ontario

Country:United States of America
Region:California
Lat/Lon:34.06, -117.65
Current time:1:48 am
Time Zone ID:America/Los_Angeles
Time Zone:(UTC-08:00) Pacific Time (US & Canada)
Sunrise:6:53 am
Sunset:6:23 pm

Hotels near Ontario

Ontario weather: common questions

What is the weather forecast for Ontario?

The 14-day outlook above shows the daily high and low temperature, rain, wind, humidity, sunrise and sunset for Ontario. Pick a day at the top of the page for the hour-by-hour forecast.

How can I get past weather for Ontario?

See the Ontario weather history page for any date since 2009. For bulk downloads, buy historical weather data as daily or hourly CSV files.

Can I use this weather data in my own app?

Yes. Sign up for a free WeatherAPI.com key (100,000 calls a month, no card needed) and request forecast.json with q=34.06,-117.65. Commercial use is allowed on every plan.

Ontario free weather widget for your website

Add a free, responsive weather in Ontario, California, United States of America widget to WordPress, Drupal, Joomla or any HTML page. Widgets load asynchronously, so they do not slow your site down.

Weather widget #1
Weather widget #2
Weather widget #3
Weather widget #4
Weather widget #5

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, pollen, evapotranspiration, autocomplete, time zone, astronomy and sports data into your new or existing project.