San Diego, December 30, 2025
As New Year’s Eve approaches, San Diego County is bracing for significant weather changes from warm temperatures to rain and possible mountain snow. The National Weather Service forecasts wet conditions beginning Wednesday and continuing through Saturday, with snow levels expected to drop to around 6,500 feet. Residents are advised to prepare for the transition, monitoring updates and securing outdoor items as necessary.
San Diego County Faces Rain and Mountain Snow This New Year
Residents should prepare for changing weather as the new year approaches with rain and potential mountain snow expected.
San Diego, CA is gearing up for a significant weather change this New Year’s Eve, transitioning from warm temperatures and gusty Santa Ana winds to rain and possible mountain snow. The National Weather Service has indicated that this wet weather is projected to begin on Wednesday and continue through Saturday, with snowfall levels anticipated to drop to around 6,500 feet by Sunday. As the community prepares for this shift, staying informed about weather conditions becomes crucial for residents.
Earlier this week, the county experienced warm temperatures and strong winds; a wind advisory was in effect until Tuesday afternoon, with gusts reaching up to 60 mph in mountain and valley areas. Such conditions posed elevated fire risks due to low humidity. Thankfully, the expected rainfall will help mitigate these concerns and contribute to the overall well-being of our local ecosystem.
Upcoming Weather Patterns
The forecast indicates a notable cooling trend, with temperatures expected to drop near or slightly below average starting Thursday and into New Year’s Day. The first storm is anticipated to deliver widespread rainfall beginning Wednesday night into Thursday morning, with the heaviest rainfall concentrated late Wednesday night.
Maintaining Safety and Preparedness
Residents are encouraged to monitor local weather updates and prepare for possible conditions, including heightened precipitation and mountain snow. Taking proactive measures like securing outdoor items, checking drainage systems, and staying informed about road conditions is advisable to ensure safety during this transition.
What to Expect in Detail
The following table summarizes the weather forecast for San Diego County leading into New Year’s Day:
| Day | Weather | High Temperature | Low Temperature | Precipitation |
|---|---|---|---|---|
| Tuesday, December 30, 2025 | Warm with gusty Santa Ana winds | 76°F (24°C) | 56°F (13°C) | 0% chance of rain |
| Wednesday, December 31, 2025 | Cloudy with increasing chances of rain | 74°F (23°C) | 55°F (13°C) | 30% chance of rain |
| Thursday, January 1, 2026 | Rainy with cooler temperatures | 68°F (20°C) | 52°F (11°C) | 60% chance of rain |
| Friday, January 2, 2026 | Showers tapering off | 70°F (21°C) | 54°F (12°C) | 40% chance of rain |
| Saturday, January 3, 2026 | Partly cloudy with lingering showers | 72°F (22°C) | 56°F (13°C) | 20% chance of rain |
FAQ Section
What weather conditions are expected in San Diego County for New Year’s Eve?
San Diego County is expected to experience rain and potential mountain snow starting New Year’s Eve, continuing through Saturday. Snow levels are forecasted to drop to around 6,500 feet by Sunday.
What were the weather conditions earlier in the week?
Earlier in the week, San Diego County experienced warm temperatures and strong Santa Ana winds. A wind advisory was in effect until 1 p.m. Tuesday, with gusts reaching up to 60 mph in mountain and valley areas. These conditions led to elevated fire risks due to low humidity levels.
How will the upcoming rain affect fire risks?
The upcoming rain is expected to mitigate fire risks by increasing humidity levels and reducing the likelihood of wildfires.
When is the heaviest rainfall expected?
The heaviest rainfall is predicted to occur late Wednesday night into Thursday morning.
What should residents do to prepare for the changing weather?
Residents are encouraged to monitor local weather updates and take necessary precautions, such as securing outdoor items, ensuring proper drainage to prevent flooding, and staying informed about road conditions due to potential snow in higher elevations.
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Author: STAFF HERE SAN DIEGO WRITER
The SAN DIEGO STAFF WRITER represents the experienced team at HERESanDiego.com, your go-to source for actionable local news and information in San Diego, San Diego County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Comic-Con International, San Diego County Fair, and San Diego Pride Festival. Our coverage extends to key organizations like the San Diego Regional Chamber of Commerce and United Way of San Diego County, plus leading businesses in biotechnology, healthcare, and technology that power the local economy such as Qualcomm, Illumina, and Scripps Health. As part of the broader HERE network, including HEREAnaheim.com, HEREBeverlyHills.com, HERECostaMesa.com, HERECoronado.com, HEREHollywood.com, HEREHuntingtonBeach.com, HERELongBeach.com, HERELosAngeles.com, HEREMissionViejo.com, and HERESantaAna.com, we provide comprehensive, credible insights into California's dynamic landscape.
