Forecast Details for Rancho Cucamonga, CA

Recent Locations: San Antonio, TX   Plano, TX   Rancho Cucamonga, CA  
Overnight: Clear, with a low around 55. West wind around 5 mph becoming calm.
Sunday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph.
Sunday Night: Mostly clear, with a low around 55. North wind around 5 mph becoming calm.
Monday: Mostly sunny, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 53. West wind around 5 mph becoming calm in the evening.
Tuesday: A slight chance of showers after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. Chance of precipitation is 20%.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Wednesday: A slight chance of showers. Partly sunny, with a high near 66.
Wednesday Night: A slight chance of showers before 4am. Partly cloudy, with a low around 47.
Thursday: A slight chance of showers after 10am. Mostly sunny, with a high near 69.
Thursday Night: A slight chance of showers. Mostly clear, with a low around 46.
Friday: Sunny, with a high near 69.
Friday Night: Partly cloudy, with a low around 47.
Saturday: A chance of showers. Mostly sunny, with a high near 65.

Want more detail? Get the Complete 7 Day and Night Detailed Forecast!

Want to Receive our Free Daily Forecast Emails in your inbox by 5 a.m.?
There are no ads! Learn More
We respect your privacy and will not share or sell your email with anyone.

Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

Weather Topic: What are Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Current conditions powered by WeatherAPI.com