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Downey, CA 90242 Weather
Current conditions
Observed at WHITTIER HILLS · 1 hr ago
Forecast
10-day-
Tonight
Mostly cloudy, with a low around 59. South southeast wind around 5 mph.
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Wednesday
Rain after 11am. Mostly cloudy, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
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Wednesday Night
Rain before 11pm, then rain and a slight chance of thunderstorms. Cloudy, with a low around 57. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
National Weather Service forecast updated 7 hrs ago.
Hourly
Hourly forecast- Now69°
- 9 PM68°
- 10 PM66°
- 11 PM66°
- Wed12 AM65°
- 1 AM63°
- 2 AM63°
- 3 AM61°
- 4 AM60°
- 5 AM60°
- 6 AM59°
- 7 AM59°
- 8 AM61°
- 9 AM63°
- 10 AM67°
- 11 AM69°58%
- 12 PM70°58%
- 1 PM72°58%
- 2 PM72°58%
- 3 PM71°58%
- 4 PM73°58%
- 5 PM70°77%
- 6 PM69°77%
- 7 PM68°77%
10-day forecast
Details- TonightOct 20Mostly Cloudy59°
- WedOct 21Rain97%57°75°
- ThuOct 22Rain95%58°70°
- FriOct 23Sunny58°74°
- SatOct 24Sunny60°79°
- SunOct 25Sunny61°82°
- MonOct 26Sunny61°83°
- TueOct 27Mostly Sunny83°
- WedOct 28Cloudy66°91°
- 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 Downey
More weather news-
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Air quality
Forecast
- TueModerate (53)
- WedGood (50)
Southeast LA CO, CA reporting area. 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 17 km
- Long Beach 18 km
- Anaheim 23 km
- Santa Ana 32 km
- Irvine 41 km
- Huntington Beach 32 km
- Glendale 27 km
- Garden Grove 25 km
- Rancho Cucamonga 54 km
- Ontario 48 km
- Corona 53 km
- Pomona 39 km
Forecasters' discussion
From the National Weather Service office in LOX, issued 6 hrs ago
Synopsis
20/1221 PM.
It will be cooler today. Widespread rain will develop Wednesday and continue into Thursday with a chance of thunderstorms. A weak Santa Ana will develop in the storms wake.
Long Term (sat-tue)
20/129 PM.
A weak to low end moderate Santa Ana event is expected this weekend but much weaker than the last event. Temperatures should warm up quickly into the upper 70s and 80s most everywhere except for the mountains and deserts. Latest models are indicating peak winds between 30 and 50 mph, strongest in the LA/Ventura mountains.
Aviation
20/2049Z.
At 20Z at KLAX, there was no marine layer or inversion.
High confidence in VFR TAFs at KBUR, KVNY, KPMD, and KWJF.
Moderate confidence in IFR-MVFR conds at KSMX, KSMO, KLAX, & KLGB. Timing may be off +/- 3 hours with CIG height +/- 200 ft of TAF. There is a 25% chance for no low clouds.
Good confidence in TAFs for KSBP, KSBA, KOXR, and KCMA. There is a 15% chance for brief IFR-MVFR conds 20/12Z-17Z.
SHRA is expected for overspread most TAF sites between 12Z-22Z, earliest along the Central Coast to KSBA. There is a 10-20 percent chance of TSRA KSBA and north starting around 18Z.
Marine
20/216 AM.
Relatively quiet conditions are expected across the waters today, then a storm system will move into the coastal waters as early as late this evening. This system will impact the area through Thursday. While at this point it doesn't appear as though it will bring significant winds, there will likely be some enhanced southerly flow Wednesday, which may require SCAs to be issued (including nearshore). In addition to the enhanced southerly flow, boaters can expect rain and a chance of thunderstorms and isolated waterspouts. With any thunderstorm there is the threat of lightning, gusty and erratic winds, small hail, and choppy seas. As the system leaves the area Thursday, fairly widespread west to northwest SCA winds will impact much of the coastal waters, creating steep, choppy wind waves.
Then a weak to locally moderate Santa Ana Wind event is likely this weekend, with some localized SCA level gusts possible nearshore in favored areas nearshore adjacent to Ventura and LA Counties.
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 4Search index and reflects what the press published. Terms of use.