An upper level ridge of high pressure and a weak offshore flow will combine to bring unseasonably warm temperatures to San Diego County this weekend, with highs in the valleys topping out in the 90s by Sunday, meteorologists said today.
"The most noticeable warm up will occur from the mountains westward, where daily temperatures over the weekend will run 12 to 20 degrees above normal," according to the National Weather Service.
Highs today are expected to range from 66 to 71 degrees in coastal areas, 73 to 78 in the valleys, 55 to 70 in the mountains, 71 to 74 in the high deserts and 85 to 87 in the low deserts.
On Saturday, the forecast calls for highs of 72 to 83 degrees in coastal areas, 80 to 88 in the valleys, 59 to 74 in the mountains, 75 to 78 in the high deserts and 87 to 89 in the low deserts.
By Sunday, it'll be 78 to 86 degrees in coastal areas, 85 to 90 in the valleys, 61 to 79 in the mountains, 78 to 82 in the high deserts and 86 to 88 in the low deserts, the NWS said.—City News Service