 Use your KTGO three-day forecast from weatherology.com. Overcast skies overnight with a chance for scattered storms. Low level off around 54. West winds 5 to 10 miles per hour. Partly cloudy skies Sunday. Slight chance for scattered thunderstorms. High temperatures reach up to 75. Mainly clear Sunday night. Slight chance for isolated thunderstorms. Low level off around 54. From the Flag Weather Center, I'm meteorologist Laurel Lockwood. Right now, 57.