Temperatures are expected to dip about 15 degrees on Thursday after a high pressure system fades from Northern California.
A change in the weather after Wednesday’s 90 degrees in Sacramento is in the offing. Overnight readings in the valley and foothills were in the mid-50s and low 60s.
The National Weather Service notes that a low pressure area to the southwest of San Diego is primed to nudge the upper high pressure ridge over Northern California further north and east. That action will spell a few showers late Thursday and overnight, mostly in the Sierra Nevada south of Interstate 80.
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The changes will mark the start of a cooling trend for Sacramento as the Delta breeze picks up. Rainfall is also in the cards with amounts of up to two inches in the mountains and about a quarter inch in the valley forecast over a three-day period starting Friday.
Temperatures are normally around 70 degrees in the first week of April in Sacramento. Today’s high is predicted to come in at 76, but daily maximums decrease Friday through Sunday.
The detailed, 7-day forecast for the Sacramento region from the NWS:
Thursday: Partly sunny, with a high near 76. South southwest wind 5 to 13 mph.
Tonight: Mostly cloudy, with a low around 53. Southwest wind 6 to 13 mph becoming south southeast in the evening. Winds could gust as high as 18 mph.
Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 70. Calm wind becoming west southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday night: A 50 percent chance of showers. Mostly cloudy, with a low around 55. South wind 7 to 9 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday: A 50 percent chance of showers. Cloudy, with a high near 66. South wind 3 to 5 mph.
Saturday night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 66.
Sunday night: A chance of showers. Mostly cloudy, with a low around 50.
Monday: Mostly cloudy, with a high near 68.
Monday night: Mostly cloudy, with a low around 47.
Tuesday: Partly sunny, with a high near 68.
Tuesday night: A slight chance of showers. Mostly cloudy, with a low around 47.
Wednesday: A chance of showers. Mostly cloudy, with a high near 65.