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San Jacinto Forecast Summary
Currently in San Jacinto
Temperature, Humidity, Wind & Pressure
Sunrise & Sunset
Extreme Temperatures
Precipitation
Data captured from a Davis Instruments Vantage Pro 2
Local Weather Roundup
San Jacinto:
41°F
39°F
42°F
N/A*
44°F
45°F
N/A*
* Weather report not
current
San Jacinto Forecast
Wednesday, February 18, 2026
 Today's forecast is coming soon
Current Outlook: This afternoon in San Jacinto, expect partly sunny skies with a high temperature near 52 degrees. Southwest winds are noticeable at around 15 mph, with gusts reaching up to 30 mph. As we transition into the evening, clouds will thicken, and temperatures will gradually decrease to a low around 34 degrees. Winds will become light and variable, with a slight chance of rain showers developing after 4 AM. The chance of precipitation tonight stands at 20%. The Week Ahead: Thursday will bring rain showers before 4 PM, followed by the possibility of showers and thunderstorms into the afternoon. It will be a cloudy day with a high near 51 degrees and south winds at 0 to 20 mph, gusting as high as 30 mph. The chance of precipitation is significant at 80%. Thursday night may see continued chances of showers and thunderstorms before 10 PM, then transitioning to areas of frost with a low around 31 degrees. Looking forward, Friday will offer a reprieve with areas of frost in the morning giving way to mostly sunny skies and a high near 55 degrees. The weekend outlook is favorable with mostly sunny conditions and a warming trend, leading to a high near 63 degrees on Saturday and near 69 degrees by Sunday. Today: Partly sunny after morning clouds partially clear , high near 52°F . Pollen level is rated "medium-high". Predicted air quality is good, AQI: 43 (courtesy of the SCAQMD). Tonight: Partly to mostly cloudy with a very slight chance of a light rain shower, low around 37°F. Thursday: Showers, mainly after 10am. Windy, high of about 48°F. Thursday night:Mostly cloudy with a chance of showers before 10pm with decreasing showers and a chance for frost after 4am, low near 35°F. Friday: Patchy frost before 9am. Mostly sunny, high around 54°F. Friday night: Patchy frost after 2am. Mostly clear and cold, low of about 36°F. Saturday: Patchy frost before 9am. Mostly sunny and cool, high near 62°F. Saturday night: Mostly cloudy, low around 43°F. Sunday: Sunny and a little warmer, high of about 68°F. Sunday night: Partly cloudy, low near 47°F. Monday: Mostly sunny with increasing clouds after noon. Slight chance of showers, high around 71°F. Monday night: Mostly cloudy with a chance for showers, low of about 50°F. Tuesday: Partly cloudy with a chance of showers, high near 69°F. San Jacinto forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
San Jacinto
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San Jacinto
Featured Photos
Full moon: The evening moon rises above Mountain View High School in San Jacinto. Photo courtesy of Denise Leonard.
San Jacinto
Weather News
Powerful overnight storm produces damaging winds, heavy rain
A potent shortwave trough swept across Southern California overnight Tuesda ... Posted February 18, 2026, 11:57 PM
Preliminary Storm Totals: February 16th-17th, 2026; More storms to follow
The first in a series of winter storms rolled through the state this week, ... Posted February 17, 2026, 1:39 PM
Storm Totals: February 10th-12th, 2026
A low pressure system over the Pacific brought showers to much of the regio ... Posted February 12, 2026, 7:07 PMOther Weather Information
National Weather Service
Other San Jacinto Weather Forecasts
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