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Weather Extremes
| Past 24 Hours |
| USA High Temp |
| 133°F at San Jose Reid Hillview Ap, CA |
| USA Low Temp |
| -12°F at Mount Washington, NH |
| USA Most Rain |
| 0.89in at Hoquiam Bowerman Ap, WA |
| Date of USA Report |
| Wednesday, March 18, 2026 |
| CA High Temp |
| 133°F at San Jose Reid Hillview Ap, CA |
| CA Low Temp |
| 27°F at Bridgeport Sonora Junction, CA 27°F at Mammoth Lakes Mammoth Yosemite Ap, CA |
| CA Most Rain |
| none |
| Date of CA Report |
| Wednesday, March 18, 2026 |
| Data from National Weather Service |
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| Radar/Satellite images courtesy of NOAA/NWS and Weather Underground. | |
| Updated: @ 20-Mar-2026 4:18am - next update at 4:20am | |||||||||||||||||||||||||||||||||||||||
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| NWS Weather Forecast - Outlook: Overnight & Friday | ||||||
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| Countdown to Spring | ||
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| WEATHER STORY Los Angeles/Oxnard Weather Forecast Office |
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HIGH RISK FOR HEAT ILLNESS Extremely Rare Heat for March
Suggestion Actions:
ADJUST PLANS to limit strenuous outdoor activities to just the early morning hours.
Seek air conditioned spaces.
Drink plenty of fluids.
Check in on elderly neighbors and loved ones.
Always CHECK THE BACK SEAT for children & animals.
Key Details:
Temperatures are 25-35 degrees above normal
Many daily records will be shattered.
Warm overnight conditions will add to the heat risk, especially foothills and lower mountains.
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Data Courtesy of Los Angeles/Oxnard Weather Forecast Office
