Current Weather Forecast for Rancho Cucamonga

CA 91730  |   2:24am

Weather Conditions

59°

Feels Like 59°

Clear

55° 84°

0

UV Index

Moderate

Air Quality

W 4 mph

Wind

0 in

rain

Tonight

Thu 5/7

57°

Lowest Temperature

2%

Partly cloudy skies. Low 57F. Winds light and variable.

Tomorrow

Fri 5/8

84°

Highest Temperature

2%

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 84F. Winds SW at 10 to 15 mph.

Tomorrow night

Fri 5/8

59°

Lowest Temperature

4%

A mostly clear sky. Warmer. Low 59F. Winds W at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Rancho Cucamonga

Hourly Weather Forecast & Temperature

3AM

2%

59°

Feels Like 59°

Clear

W 3 mph

Wind

1015 mb

Pressure

86%

Humidity

0

UV Index

10mi

Visibility

6%

Cloud Cover

4AM

2%

58°

Feels Like 58°

Clear

WSW 3 mph

Wind

1015 mb

Pressure

88%

Humidity

0

UV Index

9mi

Visibility

8%

Cloud Cover

5AM

2%

58°

Feels Like 58°

Partly Cloudy

W 3 mph

Wind

1015 mb

Pressure

89%

Humidity

0

UV Index

9mi

Visibility

31%

Cloud Cover

6AM

2%

58°

Feels Like 58°

Partly Cloudy

W 2 mph

Wind

1016 mb

Pressure

87%

Humidity

0

UV Index

4mi

Visibility

34%

Cloud Cover

7AM

2%

59°

Feels Like 59°

Partly Cloudy

SW 2 mph

Wind

1016 mb

Pressure

87%

Humidity

0

UV Index

5mi

Visibility

48%

Cloud Cover

8AM

2%

63°

Feels Like 63°

Partly Cloudy

SSW 2 mph

Wind

1016 mb

Pressure

79%

Humidity

1

UV Index

7mi

Visibility

40%

Cloud Cover

9AM

1%

65°

Feels Like 65°

Mostly Sunny

SSW 3 mph

Wind

1016 mb

Pressure

74%

Humidity

3

UV Index

9mi

Visibility

29%

Cloud Cover

10AM

1%

67°

Feels Like 67°

Sunny

SW 3 mph

Wind

1015 mb

Pressure

68%

Humidity

5

UV Index

10mi

Visibility

4%

Cloud Cover

11AM

71°

Feels Like 71°

Sunny

SW 4 mph

Wind

1015 mb

Pressure

59%

Humidity

7

UV Index

10mi

Visibility

0%

Cloud Cover

12PM

75°

Feels Like 75°

Sunny

SW 5 mph

Wind

1014 mb

Pressure

49%

Humidity

9

UV Index

10mi

Visibility

0%

Cloud Cover

1PM

78°

Feels Like 79°

Sunny

SW 7 mph

Wind

1013 mb

Pressure

44%

Humidity

9

UV Index

10mi

Visibility

2%

Cloud Cover

2PM

81°

Feels Like 81°

Sunny

WSW 9 mph

Wind

1013 mb

Pressure

39%

Humidity

8

UV Index

10mi

Visibility

2%

Cloud Cover

Thu 5/7

Thu

2%

55°

84°

Partly cloudy. Lows overnight in the upper 50s.

57°

Feels Like

W 4 mph

Wind

87%

Humidity

0

UV Index

5:54 AM

Sunrise

7:38 PM

Sunset

Fri 5/8

Fri

2%

57°

83°

Partly cloudy. Highs in the mid 80s and lows in the upper 50s.

84°

Feels Like

SW 12 mph

Wind

55%

Humidity

9

UV Index

5:54 AM

Sunrise

7:39 PM

Sunset

Sat 5/9

Sat

3%

59°

87°

Abundant sunshine. Highs in the upper 80s and lows in the low 60s.

87°

Feels Like

SW 12 mph

Wind

44%

Humidity

10

UV Index

5:53 AM

Sunrise

7:40 PM

Sunset

Sun 5/10

Sun

2%

60°

91°

Mainly sunny. Highs in the low 90s and lows in the mid 60s.

91°

Feels Like

SW 12 mph

Wind

37%

Humidity

10

UV Index

5:52 AM

Sunrise

7:41 PM

Sunset

Mon 5/11

Mon

65°

94°

Sunshine. Highs in the mid 90s and lows in the mid 60s.

94°

Feels Like

WSW 12 mph

Wind

28%

Humidity

10

UV Index

5:51 AM

Sunrise

7:42 PM

Sunset

Tue 5/12

Tue

1%

62°

84°

Plenty of sun. Highs in the mid 80s and lows in the upper 50s.

84°

Feels Like

SW 12 mph

Wind

45%

Humidity

10

UV Index

5:50 AM

Sunrise

7:42 PM

Sunset

Wed 5/13

Wed

7%

58°

83°

Morning clouds followed by afternoon sun. Highs in the low 80s and lows in the upper 50s.

83°

Feels Like

SW 12 mph

Wind

46%

Humidity

10

UV Index

5:49 AM

Sunrise

7:43 PM

Sunset

Thu 5/14

Thu

2%

58°

83°

Abundant sunshine. Highs in the low 80s and lows in the upper 50s.

83°

Feels Like

SW 12 mph

Wind

43%

Humidity

10

UV Index

5:49 AM

Sunrise

7:44 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from California

Watch: Strong winds send hot air balloon into California casino, power line before remarkable safe landing

A frightening hot air balloon accident ended remarkably well April 27, after strong winds triggered an unplanned launch at Sky River Casino, sending the aircraft into the side of the building before a safe landing.

What is an ash devil? Rare phenomenon forms during wildfire in California

A rare phenomenon was captured on camera as a wildfire scorched several acres in San Bernardino County in California. It occurs when intense heat from a wildfire causes air to rise and spin, pulling ash, embers and debris into a rotating column – almost mimicking a small tornado.

Names announced for 2026 Friends of Big Bear Valley bald eagle babies out of 63,000 entries

The two eaglets born from viral bald eagle couple Jackie and Shadow in Big Bear Valley, officially have names.

Massive sea lion named Chonkers is capturing hearts in this coastal city

A sea lion named Chonkers is capturing hearts and making waves on social media. Laying amid the dozens of sea lions on Pier 39 in San Francisco, Chonkers stands out in the crowd because of his - you guessed it - chunkiness.

Load More Stories