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Fullerton, CA 92837 Weather
Current conditions
Observed at Fullerton, Fullerton Municipal Airport · 39 min ago
Forecast
10-day-
Overnight
Mostly cloudy, with a low around 63. East wind 0 to 5 mph.
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Wednesday
Rain showers likely between 11am and 2pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 74. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
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Wednesday Night
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 62. Southeast wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
National Weather Service forecast updated 2 hrs ago.
Hourly
Hourly forecast- Now63°
- 6 AM63°
- 7 AM63°
- 8 AM63°
- 9 AM67°
- 10 AM70°
- 11 AM72°56%
- 12 PM73°56%
- 1 PM73°56%
- 2 PM73°56%
- 3 PM72°56%
- 4 PM71°56%
- 5 PM70°92%
- 6 PM68°92%
- 7 PM67°92%
- 8 PM66°92%
- 9 PM66°92%
- 10 PM65°92%
- 11 PM65°76%
- Thu12 AM64°76%
- 1 AM64°76%
- 2 AM63°76%
- 3 AM63°76%
- 4 AM62°76%
10-day forecast
Details- TonightOct 20Mostly Cloudy63°
- TodayOct 21Showers And Thunderstorms92%62°74°
- ThuOct 22Showers And Thunderstorms82%58°71°
- FriOct 23Sunny57°72°
- SatOct 24Sunny59°78°
- SunOct 25Sunny60°81°
- MonOct 26Sunny60°83°
- TueOct 27Mostly Sunny81°
- WedOct 28Cloudy69°92°
- ThuOct 29Cloudy66°87°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Fullerton
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- WedGood (44)
Central Orange, CA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyLong Beach Area, records since 1958. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Los Angeles 33 km
- Long Beach 24 km
- Anaheim 6 km
- Riverside 53 km
- Santa Ana 16 km
- Irvine 26 km
- Fontana 54 km
- Huntington Beach 24 km
- Glendale 41 km
- Garden Grove 11 km
- Rancho Cucamonga 43 km
- Ontario 36 km
Forecasters' discussion
From the National Weather Service office in SGX, issued 1 hr ago
Synopsis
A low pressure system moving southward off the California coast will bring general cooling through Thursday. It is also expected to produce showers and a slight chance of thunderstorms for late Wednesday through Thursday is it moves inland through California into Nevada. Warmer and drier for next weekend. Offshore flow on Saturday could produce gusty northeast to east winds in and below mountain passes and canyons as well as the Inland Empire corridor between the Cajon Pass and the Santa Ana Mountains. The offshore flow weakens for Sunday into early next week.
Aviation
210530Z... Coast/Valleys...Areas of low clouds based around 1800-2200 feet MSL will increase through 10Z, then decrease after 12Z.
Region-wide...A band of -SHRA/RA will move through the region from west to east 21-06Z Wednesday afternoon and evening. A few hours of cigs 2000-3000 feet and intermittent MVFR vis expected for each TAF site in the coastal basin. A few embedded heavier showers may produce local IFR conditions, mainly north of SD County. Winds shift from south to southwest as the precip band passes through.
Marine
A storm system will move through the coastal waters late today through Thursday. Southerly winds today will shift to southwesterly tonight, then westerly Thursday, with occasional wind gusts exceeding 20 knots. There is a 10-20% chance of TSRA tonight through Thursday. No additional hazardous marine conditions are expected Thursday night through Sunday.
Skywarn
Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.