Unusual Weather Pattern Brings Rain, Potential Frost to San Jose Area
San Jose, CA – A volatile weather pattern is impacting the region, bringing a mix of rain, wind, and even the possibility of frost to the South Bay. While snow is rare in the area, recent conditions have been unusual enough to prompt discussion about the potential for wintry precipitation.
As of 5:52 PM PST on , the area is experiencing rain with a 100% chance of precipitation. The National Weather Service reports that rainfall could reach nearly half an inch tonight, accompanied by winds from the south-southeast at 10 to 20 mph. The low temperature is forecast to be 42°F.
The unsettled weather is expected to continue through . While the rain is expected to end early on Thursday, breaks of sun are anticipated in the afternoon. However, the potential for heavy rainfall remains. Friday will be mostly cloudy with a high of 56°F and a minimal chance of rain at 6%.
Looking ahead to , the forecast calls for partly cloudy skies with a high around 60°F. Winds will be coming from the south-southeast at 10 to 15 mph. There is a slight chance of rain, around 5%, overnight.
A local resident of Cambrian reported that the temperature at their home was 38°F at midnight. This observation underscores the unusually cold conditions and raises the question of whether snow might be possible in San Jose.
While significant snowfall is uncommon in San Jose, historical records indicate that it has occurred. According to a Facebook post from November 27, 2024, the most recent substantial snowfall that remained on the ground was on .
The National Weather Service has issued a Flood Advisory until , 7:00 PM PST, and a Cold Weather Advisory was in effect from , 12:00 AM PST until 9:00 AM PST. Current conditions at San Jose International Airport (KSJC) as of 5:35 PM PST on , show overcast skies and a temperature of 48°F. The wind chill is 46°F, with south winds at 5 mph.
The forecast for later this week includes a 20 percent chance of rain before 10 PM on Thursday, followed by areas of fog and patchy frost after 1 AM on . Friday’s high is expected to be 54°F with areas of frost and fog, becoming partly sunny. The low Friday night is forecast at 36°F, with patchy frost.
Residents are advised to stay informed about the changing weather conditions and to take necessary precautions, particularly regarding potential flooding, and frost. The National Weather Service provides detailed forecasts and updates on their website.
While a significant snowfall event like that of 1976 appears unlikely in the immediate forecast, the current weather pattern demonstrates the potential for unusual and potentially hazardous conditions in the San Jose area.
