 Use your KTGO three-day forecast from weatherology.com. Overcast, fog and spots overnight with lows around 43. Winds out of the north, 8 to 15 miles per hour. High temperatures reach up to 63 with fog and spots early Saturday. Saturday night, lows dip down to about 45. Low 70s Sunday, mid-70s Monday with a chance of thunderstorms. From the Flag Weather Center, I'm meteorologist Laura Lockwood. Right now, it's 48 degrees.