Rain in the forecast for New Year's in San Diego County
A chance for rain and mountain snow is in the forecast in San Diego County beginning New Year’s Eve and continuing through next weekend, but not before warmer temperatures with Santa Ana winds at the beginning of the week.
The offshore flow will likely be strongest on Tuesday, producing gusty Santa Ana winds in the mountains and lower elevations west of the mountains, with northeast to east winds of 35 to 45 mph and local gusts of 55 to 60 mph possible, according to the National Weather Service. Wind Advisory is in effect until 1 p.m. Tuesday for the mountains and valleys.
Now that we had a quiet weather day, let's look ahead to what the next week's weather has in store:
?️Santa Ana Winds Sunday-Tuesday
☔️Rain Chances Return for New Year's pic.twitter.com/fFAifR5fTP— NWS San Diego (@NWSSanDiego) December 28, 2025
“Tuesday will be the warmest day, with high temperatures in the 70s west of the mountains and most areas seeing temperatures near or above seasonal averages,” the NWS said. “Coastal and valley areas could be as much as nine degrees above average, while the mountains and deserts will be near or just a few degrees above.”
Relative humidity could fall into the teens for some inland areas Monday and Tuesday afternoons, but the recent rains will mitigate fire weather concerns, according to the NWS.
A few showers move into the county overnight Tuesday, but most of the rain will be tomorrow morning and midday, meteorologist Sheena Parveen said. More rain is expected to move in on New Year’s Day, accompanied by chances for thunderstorms.
The preliminary forecast shows rain falling over San Diego County from Wednesday through Saturday. Rainfall estimates are for totals of 0.6 to 1.2 inches in the coastal areas, 0.7 to 0.8 of an inch in the inland valleys, 0.04 to 0.5 of an inch in the low deserts, and .55 to 1.6 inches in the San Diego County mountains.
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