current weather for Ontario (USA)
Ontario is located near Upland at 2mi↑, Montclair at 2mi↑, Ballou at 3mi↑, Chino at 4mi↑, Rancho Cucamonga at 4mi↑,
Elevation : 997ft
currently : 72°F overcast at Ontario
The current temperature is 72°F, the felt temperature is 72°F.
Wind direction from North with a speed of 4mph.
The air is almost saturated with water : relative air humidity is 90 %.
Pressure is 30inHg.
weather last updated 34274 minutes
Sun rises in 5h43 and the sun is setting in 16h33. The duration of the night is 13h10.
For more details on weather observations and short-term forecasts, see the aeronautical weather provided by Ontario International airport.
Coming to Ontario
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By plane :
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- Chino airport at 6mi : book on Trip.com
Weather forecast for Ontario (USA)
Sunday, September 6, 2026
Sky will be covered with cloud all the night and the day will be cloudy from morning to evening.
the temperature will range from 72°F to 91°F
wind speed up to 10mph
10h
71°F
Overcast
The air is almost saturated with water : relative air humidity is 90 %.
pressure is 30inHg
Wind direction from East 1mph with gusts at 2mph
13h
73°F
Overcast
The air is very humid : relative air humidity is 79 %.
pressure is 30inHg
Wind direction from South West 2mph with gusts at 2mph
16h
83°F
Overcast
The air is humid : relative air humidity is 55 %.
pressure is 30inHg
Wind direction from South West 7mph with gusts at 7mph
19h
91°F
Broken clouds
The air is a little humid : relative air humidity is 36 %.
pressure is 30inHg
Wind direction from South West 10mph with gusts at 10mph
22h
82°F
Broken clouds
The air is moderately humid : relative air humidity is 42 %.
pressure is 30inHg
Wind direction from West 8mph with gusts at 9mph
Monday, September 7, 2026
Sky will be covered with cloud all the night and the day will be cloudy from morning to evening.
the temperature will range from 75°F to 95°F
wind speed up to 12mph
high heat alert with 95°F at Ontario
1h
78°F
Broken clouds
The air is moderately humid : relative air humidity is 43 %.
pressure is 30inHg
Wind direction from South West 3mph with gusts at 3mph
4h
76°F
Overcast
The air is moderately humid : relative air humidity is 45 %.
pressure is 30inHg
Wind direction from North 0mph with gusts at 1mph
7h
76°F
Overcast
The air is moderately humid : relative air humidity is 46 %.
pressure is 30inHg
Wind direction from North 2mph with gusts at 1mph
10h
79°F
Overcast
The air is moderately humid : relative air humidity is 43 %.
pressure is 30inHg
Wind direction from North West 1mph with gusts at 1mph
13h
86°F
Overcast
The air is a little humid : relative air humidity is 33 %.
pressure is 30inHg
Wind direction from South West 4mph with gusts at 3mph
16h
95°F
Overcast
The air is dry : relative air humidity is 26 %.
pressure is 30inHg
Wind direction from West 8mph with gusts at 7mph
19h
95°F
Overcast
The air is dry : relative air humidity is 25 %.
pressure is 30inHg
Wind direction from West 12mph with gusts at 11mph
22h
87°F
Overcast
The air is a little humid : relative air humidity is 31 %.
pressure is 30inHg
Wind direction from South West 6mph with gusts at 7mph
Tuesday, September 8, 2026
Sky will be covered with cloud all the night and the day will be dominated by the sun.
the temperature will range from 84°F to 99°F
wind speed up to 11mph
high heat alert with 99°F at Ontario
1h
84°F
Overcast
The air is a little humid : relative air humidity is 34 %.
pressure is 30inHg
Wind direction from South West 2mph with gusts at 3mph
4h
85°F
Broken clouds
The air is a little humid : relative air humidity is 36 %.
pressure is 30inHg
Wind direction from West 1mph with gusts at 1mph
7h
84°F
Broken clouds
The air is a little humid : relative air humidity is 37 %.
pressure is 30inHg
Wind direction from North 2mph with gusts at 2mph
10h
85°F
Scattered clouds
The air is a little humid : relative air humidity is 36 %.
pressure is 30inHg
Wind direction from West 3mph with gusts at 5mph
13h
94°F
Few clouds
The air is dry : relative air humidity is 27 %.
pressure is 30inHg
Wind direction from South West 5mph with gusts at 4mph
16h
99°F
Sky clear
The air is dry : relative air humidity is 23 %.
pressure is 30inHg
Wind direction from South West 10mph with gusts at 9mph
19h
97°F
Few clouds
The air is dry : relative air humidity is 25 %.
pressure is 30inHg
Wind direction from South West 11mph with gusts at 11mph
22h
91°F
Broken clouds
The air is a little humid : relative air humidity is 32 %.
pressure is 30inHg
Wind direction from South West 6mph with gusts at 6mph
Wednesday, September 9, 2026
Sky will be clear all night long and the day will be sunny.
the temperature will range from 82°F to 97°F
wind speed up to 11mph
high heat alert with 97°F at Ontario
1h
87°F
Scattered clouds
The air is a little humid : relative air humidity is 39 %.
pressure is 30inHg
Wind direction from West 3mph with gusts at 2mph
4h
84°F
Sky clear
The air is moderately humid : relative air humidity is 45 %.
pressure is 30inHg
Wind direction from West 3mph with gusts at 3mph
7h
82°F
Sky clear
The air is moderately humid : relative air humidity is 48 %.
pressure is 30inHg
Wind direction from West 3mph with gusts at 3mph
10h
83°F
Sky clear
The air is moderately humid : relative air humidity is 45 %.
pressure is 30inHg
Wind direction from North West 1mph with gusts at 2mph
13h
92°F
Sky clear
The air is a little humid : relative air humidity is 32 %.
pressure is 30inHg
Wind direction from South West 4mph with gusts at 3mph
16h
97°F
Sky clear
The air is dry : relative air humidity is 27 %.
pressure is 30inHg
Wind direction from South West 10mph with gusts at 8mph
19h
93°F
Sky clear
The air is a little humid : relative air humidity is 31 %.
pressure is 30inHg
Wind direction from South West 11mph with gusts at 11mph
22h
86°F
Sky clear
The air is a little humid : relative air humidity is 39 %.
pressure is 30inHg
Wind direction from West 6mph with gusts at 6mph
Thursday, September 10, 2026
Sky will be clear all night long and the day will be sunny.
the temperature will range from 79°F to 91°F
wind speed up to 12mph
1h
85°F
Sky clear
The air is moderately humid : relative air humidity is 41 %.
pressure is 30inHg
Wind direction from South West 3mph with gusts at 3mph
4h
82°F
Sky clear
The air is moderately humid : relative air humidity is 47 %.
pressure is 30inHg
Wind direction from West 4mph with gusts at 4mph
7h
79°F
Sky clear
The air is humid : relative air humidity is 54 %.
pressure is 30inHg
Wind direction from West 3mph with gusts at 3mph
10h
80°F
Sky clear
The air is humid : relative air humidity is 54 %.
pressure is 30inHg
Wind direction from South West 3mph with gusts at 3mph
13h
88°F
Sky clear
The air is moderately humid : relative air humidity is 40 %.
pressure is 30inHg
Wind direction from South West 5mph with gusts at 4mph
16h
92°F
Sky clear
The air is a little humid : relative air humidity is 33 %.
pressure is 30inHg
Wind direction from South West 12mph with gusts at 11mph
19h
88°F
Sky clear
The air is a little humid : relative air humidity is 37 %.
pressure is 30inHg
Wind direction from South West 11mph with gusts at 12mph
22h
83°F
Sky clear
The air is moderately humid : relative air humidity is 45 %.
pressure is 30inHg
Wind direction from South West 7mph with gusts at 7mph
Friday, September 11, 2026
Sky will be clear all night long and the day will be cloudy from morning to evening.
the temperature will range from 75°F to 79°F
wind speed up to 6mph
1h
78°F
Sky clear
The air is humid : relative air humidity is 54 %.
pressure is 30inHg
Wind direction from West 6mph with gusts at 6mph
4h
76°F
Sky clear
The air is humid : relative air humidity is 58 %.
pressure is 30inHg
Wind direction from West 5mph with gusts at 4mph
7h
75°F
Sky clear
The air is very humid : relative air humidity is 60 %.
pressure is 30inHg
Wind direction from West 4mph with gusts at 4mph
Weather observation and forecast provided by OpenWeatherMap under CC BY-SA 4.0 license amended by aviation weather data.
near
- Hotels in Ontario
- Renaissance Philadelphia Downtown Hotel (Philadelphia) at 2358mi↑
- MoMA (New York) at 2416mi↑
- Théâtre Mogador (Paris) at 5624mi↑
- Palais Garnier (Paris) at 5624mi↑
- Le Matissia (Paris) at 5624mi↑
- Théâtre de La Porte Saint-Martin (Paris) at 5625mi↑
- Paris at 5625mi↑
- for San Antonio Regional Hospital airport at 3mi↑
- for Ontario International airport at 3mi↑
- for Cable airport at 4mi↑
Weather news
Tuesday, February 10, 2026
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Storm Nils is arriving in the Hautes-Pyrénées
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Saturday, May 8, 2021
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Weather alert for thunderstorms and strong winds in the southwest
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Le vent a commencé à souffler sur la façade ouest avec des vents à près de 200 km/h. Ce n'est que le début et Météo France a émis un bulletin d'alerte orange pour vent violent sur les…
Monday, October 19, 2020
news
La tempête Barbara souffle à plus de 150 km/h sur les Hautes-Pyrénées
Le vent a commencé à souffler sur la façade ouest avec des vents à près de 200 km/h. Ce n'est que le début et Météo France a émis un bulletin d'alerte orange pour vent violent sur les…