10-Day Weather Forecast for Ontario, California - The Weather Channel | weather.com
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10 Day Weather-

As of 4:09 pm PDT
alertLevel3

Heat Advisory

Tonight

Clear Night Clear
--/67°
Rain drop 0%
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Night

67°
Clear Night
NW 10 mph

Clear skies. Low 67F. WNW winds shifting to NNE at 10 to 15 mph.

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Highs In The 80s, 90s This Weekend


  • Humidity
    Humidity35%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:08 am
  • Moonset
    Moonset8:07 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Sunny Sunny
99°/65°
Rain drop 0%
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Day

99°
Sunny
WSW 12 mph

Mainly sunny. High 99F. ENE winds shifting to WSW at 10 to 15 mph.

  • Humidity
    Humidity25%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:54 am
  • Sunset
    Sunset7:02 pm

Night

65°
Mostly Clear Night
Rain drop
1%
NNW 10 mph

Partly cloudy. Low near 65F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:38 am
  • Moonset
    Moonset9:16 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Mostly Cloudy Day Mostly Cloudy
90°/61°
Rain drop 0%
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Day

90°
Mostly Cloudy Day
WSW 12 mph

Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. Near record high temperatures. High near 90F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity30%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:03 pm

Night

61°
Cloudy
Rain drop
1%
WNW 10 mph

Cloudy skies. Low 61F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:12 am
  • Moonset
    Moonset10:29 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
89°/63°
Rain drop 1%
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Day

89°
Partly Cloudy Day
Rain drop
1%
WSW 10 mph

Partly cloudy. Continued hot. High 89F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:51 am
  • Sunset
    Sunset7:03 pm

Night

63°
Partly Cloudy Night
Rain drop
1%
WNW 8 mph

Some clouds early will give way to generally clear conditions overnight. Low 63F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:50 am
  • Moonset
    Moonset11:42 pm
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Sunny Sunny
90°/63°
Rain drop 1%
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Day

90°
Sunny
Rain drop
1%
WSW 10 mph

A mainly sunny sky. Record high temperatures expected. High around 90F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:50 am
  • Sunset
    Sunset7:04 pm

Night

63°
Clear Night
Rain drop
1%
NW 9 mph

A mostly clear sky. Low 63F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:37 am
  • Moonset
    Moonset--
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Sunny Sunny
90°/63°
Rain drop 1%
Add

Day

90°
Sunny
Rain drop
1%
WSW 11 mph

A mainly sunny sky. Near record high temperatures. High around 90F. NNW winds shifting to WSW at 10 to 15 mph.

  • Humidity
    Humidity37%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:48 am
  • Sunset
    Sunset7:05 pm

Night

63°
Mostly Clear Night
Rain drop
1%
NW 9 mph

Mostly clear. Low 63F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:32 am
  • Moonset
    Moonset12:54 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Mostly Clear Day Mostly Sunny
89°/63°
Rain drop 1%
Add

Day

89°
Mostly Clear Day
Rain drop
1%
W 11 mph

Mostly sunny skies. Near record high temperatures. High 89F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity37%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:06 pm

Night

63°
Mostly Clear Night
Rain drop
1%
NW 9 mph

A few clouds from time to time. Low 63F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:35 am
  • Moonset
    Moonset2:00 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Mostly Clear Day Mostly Sunny
91°/64°
Rain drop 0%
Add

Day

91°
Mostly Clear Day
W 10 mph

Except for a few afternoon clouds, mainly sunny. High 91F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity30%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:46 am
  • Sunset
    Sunset7:06 pm

Night

64°
Partly Cloudy Night
Rain drop
1%
NNW 8 mph

A few clouds. Low 64F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:44 pm
  • Moonset
    Moonset2:56 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Partly Cloudy Day Partly Cloudy
92°/66°
Rain drop 0%
Add

Day

92°
Partly Cloudy Day
WSW 10 mph

Sunshine and clouds mixed. High 92F. N winds shifting to WSW at 10 to 15 mph.

  • Humidity
    Humidity26%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:44 am
  • Sunset
    Sunset7:07 pm

Night

66°
Partly Cloudy Night
Rain drop
1%
NNW 9 mph

A few clouds. Low 66F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:53 pm
  • Moonset
    Moonset3:43 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
92°/63°
Rain drop 0%
Add

Day

92°
Partly Cloudy Day
WSW 11 mph

Intervals of clouds and sunshine in the morning with more clouds for later in the day. High 92F. NNW winds shifting to WSW at 10 to 15 mph.

  • Humidity
    Humidity26%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:08 pm

Night

63°
Mostly Cloudy Night
Rain drop
1%
NW 9 mph

Considerable cloudiness. Low 63F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity46%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:02 pm
  • Moonset
    Moonset4:22 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Partly Cloudy Day Partly Cloudy
87°/62°
Rain drop 1%
Add

Day

87°
Partly Cloudy Day
Rain drop
1%
WSW 11 mph

Mostly cloudy skies early, then partly cloudy in the afternoon. High 87F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity34%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:42 am
  • Sunset
    Sunset7:09 pm

Night

62°
Partly Cloudy Night
Rain drop
2%
WNW 9 mph

A few clouds from time to time. Low 62F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:07 pm
  • Moonset
    Moonset4:55 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Partly Cloudy Day Partly Cloudy
83°/58°
Rain drop 1%
Add

Day

83°
Partly Cloudy Day
Rain drop
1%
WSW 12 mph

Sunshine and clouds mixed. High 83F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity37%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:40 am
  • Sunset
    Sunset7:09 pm

Night

58°
Partly Cloudy Night
Rain drop
9%
W 10 mph

Partly cloudy. Low 58F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:10 pm
  • Moonset
    Moonset5:23 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Partly Cloudy Day Partly Cloudy
78°/56°
Rain drop 2%
Add

Day

78°
Partly Cloudy Day
Rain drop
2%
WSW 13 mph

Intervals of clouds and sunshine. High 78F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:39 am
  • Sunset
    Sunset7:10 pm

Night

56°
Partly Cloudy Night
Rain drop
8%
WNW 11 mph

Partly cloudy. Low 56F. WSW winds shifting to N at 10 to 15 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:11 pm
  • Moonset
    Moonset5:50 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Partly Cloudy Day Partly Cloudy
76°/54°
Rain drop 6%
Add

Day

76°
Partly Cloudy Day
Rain drop
6%
WSW 12 mph

Partly cloudy. High 76F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity41%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise6:37 am
  • Sunset
    Sunset7:11 pm

Night

54°
Partly Cloudy Night
Rain drop
10%
NNW 10 mph

A few clouds from time to time. Low 54F. WSW winds shifting to NE at 10 to 15 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:11 pm
  • Moonset
    Moonset6:15 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Partly Cloudy Day Partly Cloudy
74°/54°
Rain drop 8%
Add

Day

74°
Partly Cloudy Day
Rain drop
8%
WSW 12 mph

Sunshine and clouds mixed. High 74F. ENE winds shifting to WSW at 10 to 15 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:36 am
  • Sunset
    Sunset7:12 pm

Night

54°
Partly Cloudy Night
Rain drop
22%
NW 10 mph

Partly cloudy skies. Low 54F. WSW winds shifting to N at 10 to 15 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:11 pm
  • Moonset
    Moonset6:41 am
  • Moon Phase - Day 15 Full Moon
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