As of 01:12 PDT

Weather in Ontario, CA

77°Current weather

Ontario, Sunday, 9 August, 01:12

Clear. Feels like 77°. High 101°, low 72°.

Pressure29.88 inHg
Wind4 mph SW
Humidity56%
Visibility6.2 mi
Dew point59°

10-day forecast for Ontario, CA: 72° to 101°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

101°
Best day: Sunday, August 9
79°
Worst day: Saturday, August 15

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1097° / 72°0Mostly clear
MorningOvercast78°feels 78°
AfternoonPartly cloudy97°feels 95°
EveningClear85°feels 84°
OvernightClear74°feels 73°
97 °Mostly clear

Ontario, Monday, 10 August

Mostly clear. High 97°, low 72°.

Pressure29.91 inHg
Wind7.7 mph W
Humidity27%
Visibility6.2 mi
Dew point54°
Tue, 1193° / 77°0Mostly clear
MorningOvercast79°feels 79°
AfternoonPartly cloudy93°feels 90°
EveningClear84°feels 82°
OvernightClear79°feels 79°
93 °Mostly clear

Ontario, Tuesday, 11 August

Mostly clear. High 93°, low 77°.

Pressure29.94 inHg
Wind8.1 mph W
Humidity28%
Visibility6.2 mi
Dew point52°
Wed, 1290° / 76°0Partly cloudy
MorningPartly cloudy77°feels 76°
AfternoonOvercast90°feels 87°
EveningMostly clear80°feels 80°
OvernightClear78°feels 78°
90 °Partly cloudy

Ontario, Wednesday, 12 August

Partly cloudy. High 90°, low 76°.

Pressure29.88 inHg
Wind7.8 mph W
Humidity28%
Visibility6.2 mi
Dew point50°
Thu, 1387° / 73°0Mostly clear
MorningMostly clear75°feels 75°
AfternoonMostly clear82°feels 81°
EveningMostly clear82°feels 81°
OvernightMostly clear73°feels 73°
87 °Mostly clear

Ontario, Thursday, 13 August

Mostly clear. High 87°, low 73°.

Pressure29.91 inHg
Wind12.5 mph W
Humidity42%
Visibility
Dew point55°
Fri, 1485° / 72°0Overcast
MorningOvercast74°feels 74°
AfternoonOvercast80°feels 80°
EveningOvercast82°feels 82°
OvernightOvercast78°feels 77°
85 °Overcast

Ontario, Friday, 14 August

Overcast. High 85°, low 72°.

Pressure29.97 inHg
Wind10.7 mph W
Humidity43%
Visibility
Dew point54°
Sat, 1579° / 72°0.02Light rain
MorningLight rain74°feels 73°
AfternoonLight rain77°feels 77°
EveningLight rain78°feels 78°
OvernightLight rain74°feels 74°
79 °Light rain

Ontario, Saturday, 15 August

Light rain. High 79°, low 72°.

Pressure30.00 inHg
Wind7.7 mph W
Humidity46%
Visibility
Dew point54°
Sun, 1688° / 72°0Overcast
MorningOvercast75°feels 75°
AfternoonOvercast82°feels 82°
EveningOvercast85°feels 84°
OvernightOvercast76°feels 76°
88 °Overcast

Ontario, Sunday, 16 August

Overcast. High 88°, low 72°.

Pressure30.06 inHg
Wind12.1 mph W
Humidity45%
Visibility
Dew point57°
Mon, 1789° / 73°0Overcast
MorningOvercast76°feels 76°
AfternoonOvercast83°feels 82°
EveningOvercast86°feels 84°
OvernightOvercast77°feels 76°
89 °Overcast

Ontario, Monday, 17 August

Overcast. High 89°, low 73°.

Pressure30.06 inHg
Wind12.5 mph W
Humidity38%
Visibility
Dew point53°
Tue, 1891° / 74°0Overcast
MorningOvercast77°feels 76°
AfternoonOvercast85°feels 83°
EveningOvercast87°feels 85°
OvernightOvercast78°feels 78°
91 °Overcast

Ontario, Tuesday, 18 August

Overcast. High 91°, low 74°.

Pressure29.94 inHg
Wind10.3 mph SW
Humidity35%
Visibility
Dew point52°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Ontario, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.