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Rancho Cucamonga Weather Forecast

Temperature, wind, rain and more for Rancho Cucamonga

California, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 12
May		01:00

SW
SW

 4 / 6 mph 65 / 65°F 47% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

 4 / 4 mph 65 / 65°F 56% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 6 / 6 mph 68 / 66°F 62% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 8 / 9 mph 76 / 76°F 44% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: high
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 13 / 15 mph 78 / 77°F 33% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 37%
Most Significant Cloud Type: high
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 14 / 16 mph 75 / 75°F 33% 1011 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 11 / 13 mph 66 / 65°F 54% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 10 / 11 mph 60 / 60°F 73% 1013 mb
Low level cloud: 29%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 13
May		16:00

SW
SW

 13 / 15 mph 71 / 69°F 44% 1012 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 1%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 8 / 9 mph 67 / 65°F 54% 1013 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 3 / 4 mph 63 / 63°F 58% 1015 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Rancho Cucamonga:

For Rancho Cucamonga in the coming week the average daytime maximum temperature will be around 24°C, with a high for the week of 32°C expected on the afternoon of Tuesday 20th. The mean minimum temperature will be 13°C, dipping to its lowest on the morning of Sunday 18th at 12°C. The week ahead will have mostly dry days although Saturday is likely to see a little rain. Predictions are Saturday 18th will have the most precipitation with an accumulation of around 1.0mm. On the whole winds are likely to be moderate.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure