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Polar vortex to unleash 3 blasts of Arctic air into mid-December. See the forecast. Chevron right

Ontario, CA

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Ontario, CA Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast® Monthly Air Quality Health & Activities

December 3 - January 16

Wed 12/3

67° /45°
7%
Partly sunny; breezy this afternoon

RealFeel®68°

RealFeel Shade™66°

Max UV Index3.0 (Moderate)

WindN 9 mph

Thu 12/4

70° /45°
0%
Breezy in the morning; otherwise, mostly sunny

RealFeel®73°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindSSW 8 mph

Fri 12/5

72° /43°
1%
Sunshine

RealFeel®72°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindNNW 7 mph

Sat 12/6

70° /47°
2%
Nice with plenty of sunshine

RealFeel®73°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindS 2 mph

Sun 12/7

74° /49°
3%
Mostly sunny and nice

RealFeel®77°

RealFeel Shade™73°

Max UV Index3.0 (Moderate)

WindNNW 1 mph

Mon 12/8

80° /51°
4%
Mostly sunny and very warm

RealFeel®83°

RealFeel Shade™79°

Max UV Index3.0 (Moderate)

WindNE 1 mph

Tue 12/9

82° /49°
3%
Sunny and very warm

RealFeel®84°

RealFeel Shade™81°

Max UV Index3.0 (Moderate)

WindNE 1 mph

Wed 12/10

81° /48°
0%
Very warm with plenty of sunshine

RealFeel®84°

RealFeel Shade™80°

Max UV Index3.0 (Moderate)

WindS 1 mph

Thu 12/11

78° /47°
0%
Remaining warm with plenty of sunshine

RealFeel®81°

RealFeel Shade™77°

Max UV Index3.0 (Moderate)

WindS 1 mph

Fri 12/12

76° /51°
0%
Plenty of sunshine

RealFeel®79°

RealFeel Shade™74°

Max UV Index3.0 (Moderate)

WindSW 1 mph

Sat 12/13

70° /47°
56%
Cloudy with a bit of rain in the afternoon

RealFeel®69°

RealFeel Shade™67°

Max UV Index3.0 (Moderate)

WindSW 8 mph

Sun 12/14

67° /47°
55%
Partly sunny with a shower in places

RealFeel®70°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindSW 4 mph

Mon 12/15

67° /46°
0%
Sunshine and a few clouds

RealFeel®72°

RealFeel Shade™67°

Max UV Index3.0 (Moderate)

WindESE 1 mph

Tue 12/16

66° /41°
20%
Partial sunshine

RealFeel®67°

RealFeel Shade™65°

Max UV Index2.0 (Low)

WindNNE 5 mph

Wed 12/17

59° /44°
63%
Cooler with rain

RealFeel®60°

RealFeel Shade™60°

Max UV Index1.0 (Low)

WindS 5 mph

Thu 12/18

60° /42°
59%
Occasional rain

RealFeel®59°

RealFeel Shade™59°

Max UV Index1.0 (Low)

WindE 5 mph

Fri 12/19

60° /40°
10%
Mostly sunny

RealFeel®63°

RealFeel Shade™59°

Max UV Index3.0 (Moderate)

WindNE 5 mph

Sat 12/20

61° /44°
25%
Mostly cloudy

RealFeel®61°

RealFeel Shade™61°

Max UV Index1.0 (Low)

WindNNE 6 mph

Sun 12/21

61° /45°
60%
Periods of rain

RealFeel®61°

RealFeel Shade™61°

Max UV Index1.0 (Low)

WindSSE 2 mph

Mon 12/22

62° /41°
25%
Mostly cloudy

RealFeel®64°

RealFeel Shade™64°

Max UV Index1.0 (Low)

WindENE 2 mph

Tue 12/23

60° /38°
5%
Abundant sunshine

RealFeel®64°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindNNE 5 mph

Wed 12/24

61° /40°
25%
Clouds and sun

RealFeel®61°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindNNE 4 mph

Thu 12/25

63° /37°
20%
Intervals of clouds and sun

RealFeel®63°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindNNE 7 mph

Fri 12/26

59° /38°
25%
Rather cloudy

RealFeel®58°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindNNE 7 mph

Sat 12/27

59° /37°
58%
Intervals of clouds and sunshine with a passing shower in the afternoon

RealFeel®63°

RealFeel Shade™58°

Max UV Index3.0 (Moderate)

WindNNE 5 mph

Sun 12/28

60° /37°
56%
Considerable cloudiness with occasional rain in the afternoon

RealFeel®59°

RealFeel Shade™59°

Max UV Index2.0 (Low)

WindNNE 4 mph

Mon 12/29

59° /38°
25%
Intervals of clouds and sunshine

RealFeel®61°

RealFeel Shade™61°

Max UV Index1.0 (Low)

WindNE 4 mph

Tue 12/30

60° /41°
25%
Mostly cloudy

RealFeel®63°

RealFeel Shade™63°

Max UV Index1.0 (Low)

WindESE 1 mph

Wed 12/31

61° /39°
20%
Sunny to partly cloudy

RealFeel®65°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindNNE 4 mph

Thu 1/1

60° /38°
25%
Times of clouds and sun

RealFeel®61°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindNNE 5 mph

Fri 1/2

61° /38°
25%
Mostly cloudy

RealFeel®64°

RealFeel Shade™63°

Max UV Index1.0 (Low)

WindNE 1 mph

Sat 1/3

62° /39°
20%
Partly sunny

RealFeel®64°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindNNE 6 mph

Sun 1/4

62° /38°
20%
Plenty of sunshine

RealFeel®67°

RealFeel Shade™62°

Max UV Index3.0 (Moderate)

WindNNE 4 mph

Mon 1/5

63° /38°
10%
Mostly sunny

RealFeel®66°

RealFeel Shade™62°

Max UV Index3.0 (Moderate)

WindNNE 6 mph

Tue 1/6

61° /37°
20%
Plenty of sunshine

RealFeel®63°

RealFeel Shade™59°

Max UV Index3.0 (Moderate)

WindNNE 6 mph

Wed 1/7

61° /38°
20%
Plenty of sun

RealFeel®64°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindNNE 6 mph

Thu 1/8

62° /38°
20%
Plenty of sun

RealFeel®65°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindNNE 6 mph

Fri 1/9

63° /40°
20%
Plenty of sun

RealFeel®64°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindNNE 7 mph

Sat 1/10

65° /42°
20%
Plenty of sunshine

RealFeel®66°

RealFeel Shade™63°

Max UV Index3.0 (Moderate)

WindNNE 7 mph

Sun 1/11

66° /41°
20%
Plenty of sunshine

RealFeel®67°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindNNE 7 mph

Mon 1/12

67° /40°
25%
Mostly cloudy

RealFeel®66°

RealFeel Shade™66°

Max UV Index1.0 (Low)

WindNNE 7 mph

Tue 1/13

67° /41°
25%
Cloudy

RealFeel®66°

RealFeel Shade™66°

Max UV Index1.0 (Low)

WindNNE 6 mph

Wed 1/14

68° /45°
25%
Mostly cloudy

RealFeel®67°

RealFeel Shade™67°

Max UV Index1.0 (Low)

WindNNE 6 mph

Thu 1/15

67° /46°
25%
Cloudy

RealFeel®65°

RealFeel Shade™65°

Max UV Index1.0 (Low)

WindNNE 6 mph

Fri 1/16

65° /39°
1%
Partly sunny

RealFeel®67°

RealFeel Shade™63°

Max UV Index3.0 (Moderate)

WindWNW 6 mph

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