Current Weather Forecast for Rancho Cucamonga

CA 91730  |   12:37pm

Weather Conditions

55°

Feels Like 53°

Rain Shower

49° 58° FLOOD WATCH

FLOOD WATCH

1

UV Index

Good

Air Quality

ENE 6 mph

Wind

0.03 in

rain

Today

Fri 12/26

56°

Highest Temperature

99%

Rain. High 56F. Winds SW at 5 to 10 mph. Chance of rain 100%. Rainfall around a half an inch. Locally heavy rainfall possible.

Tonight

Fri 12/26

45°

Lowest Temperature

82%

Cloudy. Periods of rain early. Low near 45F. Winds SW at 5 to 10 mph. Chance of rain 80%.

Tomorrow

Sat 12/27

60°

Highest Temperature

20%

Partly cloudy. High around 60F. Winds light and variable.

Precipitation For Rancho Cucamonga

Intermittent rain for the next hour.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Rancho Cucamonga

Hourly Weather Forecast & Temperature

1PM

87%

55°

Feels Like 54°

FLOOD WATCH

Rain

NNW 6 mph

Wind

1016 mb

Pressure

88%

Humidity

0

UV Index

2.6mi

Visibility

100%

Cloud Cover

2PM

84%

56°

Feels Like 54°

FLOOD WATCH

Rain

SW 7 mph

Wind

1016 mb

Pressure

89%

Humidity

0

UV Index

2.8mi

Visibility

100%

Cloud Cover

3PM

99%

56°

Feels Like 54°

FLOOD WATCH

Rain

SW 7 mph

Wind

1015 mb

Pressure

87%

Humidity

0

UV Index

2mi

Visibility

100%

Cloud Cover

4PM

99%

56°

Feels Like 55°

FLOOD WATCH

Rain

WSW 6 mph

Wind

1015 mb

Pressure

87%

Humidity

0

UV Index

2mi

Visibility

100%

Cloud Cover

5PM

75%

55°

Feels Like 54°

Showers

W 6 mph

Wind

1015 mb

Pressure

89%

Humidity

0

UV Index

2.4mi

Visibility

100%

Cloud Cover

6PM

73%

55°

Feels Like 53°

Light Rain

WSW 5 mph

Wind

1016 mb

Pressure

90%

Humidity

0

UV Index

4mi

Visibility

95%

Cloud Cover

7PM

85%

54°

Feels Like 52°

Rain

WSW 6 mph

Wind

1016 mb

Pressure

89%

Humidity

0

UV Index

4mi

Visibility

100%

Cloud Cover

8PM

62%

53°

Feels Like 51°

Light Rain

SW 6 mph

Wind

1016 mb

Pressure

92%

Humidity

0

UV Index

4mi

Visibility

99%

Cloud Cover

9PM

40%

53°

Feels Like 51°

Showers

WSW 6 mph

Wind

1017 mb

Pressure

90%

Humidity

0

UV Index

2.8mi

Visibility

95%

Cloud Cover

10PM

24%

52°

Feels Like 51°

Cloudy

SW 4 mph

Wind

1017 mb

Pressure

90%

Humidity

0

UV Index

9mi

Visibility

82%

Cloud Cover

11PM

17%

51°

Feels Like 50°

Cloudy

WSW 4 mph

Wind

1017 mb

Pressure

91%

Humidity

0

UV Index

9mi

Visibility

92%

Cloud Cover

12AM

14%

50°

Feels Like 50°

Mostly Cloudy

SW 3 mph

Wind

1017 mb

Pressure

94%

Humidity

0

UV Index

10mi

Visibility

79%

Cloud Cover

Fri 12/26

Fri

99%

49°

58°

FLOOD WATCH

Cloudy with rain. Highs in the mid 50s and lows in the mid 40s.

53°

Feels Like

SW 8 mph

Wind

89%

Humidity

1

UV Index

6:54 AM

Sunrise

4:47 PM

Sunset

Sat 12/27

Sat

20%

45°

60°

Partly cloudy. Highs in the low 60s and lows in the low 40s.

46°

Feels Like

S 5 mph

Wind

72%

Humidity

3

UV Index

6:54 AM

Sunrise

4:48 PM

Sunset

Sun 12/28

Sun

5%

42°

66°

Plenty of sun. Highs in the mid 60s and lows in the mid 40s.

66°

Feels Like

NNE 12 mph

Wind

44%

Humidity

3

UV Index

6:54 AM

Sunrise

4:48 PM

Sunset

Mon 12/29

Mon

46°

69°

Abundant sunshine. Highs in the upper 60s and lows in the upper 40s.

69°

Feels Like

NNE 16 mph

Wind

29%

Humidity

3

UV Index

6:55 AM

Sunrise

4:49 PM

Sunset

Tue 12/30

Tue

47°

73°

Partly cloudy. Highs in the low 70s and lows in the low 50s.

73°

Feels Like

NNE 8 mph

Wind

34%

Humidity

3

UV Index

6:55 AM

Sunrise

4:50 PM

Sunset

Wed 12/31

Wed

42%

50°

66°

Chance of afternoon showers. Highs in the mid 60s and lows in the low 50s.

66°

Feels Like

NNE 6 mph

Wind

54%

Humidity

2

UV Index

6:55 AM

Sunrise

4:51 PM

Sunset

Thu 1/1

Thu

76%

51°

61°

Mainly cloudy and rainy. Highs in the low 60s and lows in the low 50s.

51°

Feels Like

NE 6 mph

Wind

84%

Humidity

1

UV Index

6:55 AM

Sunrise

4:51 PM

Sunset

Fri 1/2

Fri

59%

53°

61°

Chance of showers. Highs in the low 60s and lows in the low 50s.

53°

Feels Like

SSW 9 mph

Wind

88%

Humidity

2

UV Index

6:56 AM

Sunrise

4:52 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

State of Emergency declared across Los Angeles metro amid 'High Risk' flooding, heavy rain

Widespread Flash Flood Warnings were issued across the Los Angeles metro area and other parts of Southern California Wednesday, as a powerful Christmas Eve storm triggered mudslides and emergency evacuations across the region

Year in review: Shocking satellite images of extreme weather seen from space

As 2025 comes to an end, it’s time to look back at a year that was defined by nature’s extremes. Here are five of the most significant weather events of 2025 that satellites were able to capture in action.

NWS: 'Dangerous scenario is unfolding,' Los Angeles braces for rare 'High Risk' flood threat through Christmas

The Los Angeles area is forecast to see excessive rainfall with a high risk of flooding into Christmas Eve.

Christmas weather outlook: Millions to see 'nice' forecast with a touch of 'naughty' across nation

Naughty or nice, how will the weather be in your region on Christmas Day?

Load More Stories