A freeze warning is in place for Friday night to Saturday morning for much of the San Joaquin Valley, according to the National Weather Service in Hanford.
Temperatures are expected to drop to a chilly 28 to 32 degrees across much of the San Joaquin Valley. Lows down to 25 degrees are possible in the coldest rural locations, the weather service said.
The cold should last three to six hours, the NWS said.
The weather service had a freeze watch in place for Fresno County for overnight Thursday-Friday night but canceled it Thursday afternoon. The overnight temperature dropped to 37 degrees around 3:14 a.m. Friday, a degree warmer than the predicted low, the weather service said.