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Fullerton Weather Forecast

Temperature, wind, rain and more for Fullerton

California, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 12
May		13:00

SSW
SSW

 12 / 14 mph 73 / 76°F 49% 1013 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 12 / 14 mph 72 / 76°F 48% 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
19:00

WSW
WSW

 11 / 13 mph 68 / 66°F 57% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 18%
Most Significant Cloud Type: high
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WSW
WSW

 10 / 12 mph 63 / 63°F 59% 1013 mb
Low level cloud: 28%
Mid level cloud: 0%
High level cloud: 87%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 13
May		01:00

SW
SW

 11 / 12 mph 60 / 60°F 61% 1014 mb
Low level cloud: 67%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 5 / 6 mph 60 / 60°F 58% 1014 mb
Low level cloud: 38%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

 6 / 7 mph 63 / 61°F 58% 1014 mb
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 9 / 10 mph 68 / 66°F 49% 1015 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
13:00

SW
SW

 12 / 14 mph 70 / 69°F 44% 1014 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
16:00

WSW
WSW

 13 / 14 mph 70 / 69°F 44% 1013 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 9 / 11 mph 70 / 69°F 53% 1013 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 6 / 8 mph 65 / 65°F 62% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Fullerton:

The outlook for Fullerton in the week ahead shows the average daytime maximum temperature will be around 22°C, with a high for the week of 23°C expected on the afternoon of Wednesday 14th. The mean minimum temperature will be 16°C, dipping to its lowest on the morning of Monday 19th at 14°C. Expect the next week to remain predominantly dry. 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