What is today's weather forecast for Fullerton, CA?

Today's forecast for Fullerton shows a high of 67 degrees and a low of 60 degrees Fahrenheit. Showers, with thunderstorms also possible after 4pm.

What is the 7-day weather forecast for Fullerton, CA?

The 7-day forecast for Fullerton shows highs from 63 to 67 degrees and lows from 51 to 60 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Fullerton, CA this week?

Yes, rain is possible in Fullerton this week. Precipitation chances: Friday (100% chance), Saturday (100% chance), Sunday (60% chance), Monday (60% chance), Tuesday (50% chance), Thursday (50% chance).

How accurate is the Fullerton weather forecast?

WeatherForYou provides highly accurate Fullerton forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Fullerton, CA Weather Forecast and Current Conditions

WEATHER ALERTS - Flood Watch

Current Conditions From Nearby Local Station

Switch to Metric Units

63°F
Feels Like 63°F

Humidity 99% Dew Point 63°F Wind Calm Barometer 29.92 in.760 mm

Solar Rad 52 w/m²

Report from a personal weather station 1.5 miles WNW of central Fullerton
at 1:33 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

90%

SatNov 15

100%

SunNov 16

50%

MonNov 17

60%

TueNov 18

50%

WedNov 19

ThuNov 20

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 63°F to 67°F. Unsettled weather expected with rain likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for November. Normal highs for this period are around 72°F with lows around 50°F.

This Date in Weather History

1987 - The first major snowstorm of the season hit the Southern and Central Rockies, producing 12 inches at the Brian Head ski resort in Utah overnight. Strong and gusty winds associated with the storm reached 52 mph at Ruidoso NM. In the eastern U.S., the temperature at Washington D.C. soared to 68 degrees, just three days after being buried under more than a foot of snow.

Fullerton, CA 7 Day Weather Forecast Details

Friday Nov 14

Day: Showers, with thunderstorms also possible after 4pm. High near 67. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Night: Showers and possibly a thunderstorm. Low around 60. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Nov 15

Day: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 65. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Night: Showers and possibly a thunderstorm. Low around 54. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Nov 16

Day: A chance of showers, mainly before 4pm. Cloudy, with a high near 63. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Night: Showers likely, mainly after 4am. The rain could be heavy at times. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

Monday Nov 17

Day: Showers likely, mainly before 10am. The rain could be heavy at times. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

Night: A chance of showers. Mostly cloudy, with a low around 52.

Tuesday Nov 18

Day: A chance of showers, mainly before 10am. Partly sunny, with a high near 63.

Night: A chance of showers, mainly after 10pm. Partly cloudy, with a low around 51.

Wednesday Nov 19

Day: Mostly sunny, with a high near 66.

Night: Partly cloudy, with a low around 52.

Thursday Nov 20

Day: A slight chance of showers. Partly sunny, with a high near 64.

About Fullerton, CA

Fullerton ( FULL-er-tun) is a city in northern Orange County, California, United States. As of the 2020 census, the city had a total population of 143,617. Fullerton was founded in 1887. It secured the land on behalf of the Atchison, Topeka and Santa Fe Railway. Historically it was a center of agriculture, notably groves of Valencia oranges and other citrus crops; petroleum extraction; transportation; and manufacturing. It is home to numerous higher educational institutions, particularly California State University, Fullerton and Fullerton College. From the mid-1940s through the late 1990s, Fullerton was home to a large industrial base made up of aerospace contractors, canneries, paper products manufacturers, and is considered to be the birthplace of the electric guitar, due in large part to Leo Fender. The headquarters of Vons, which is owned by Albertsons, is located in Fullerton near the Fullerton–Anaheim line.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

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