San Marcos CA Weather

Today...Areas of early morning low clouds and fog in the western valleys with local visibility one quarter mile or less at Times... Otherwise mostly sunny. Highs 77 to 82 in the western valleys to 88 to 93 near the foothills. Light winds becoming west 15 mph in the afternoon.
Tonight...Mostly clear in the evening...Becoming partly cloudy. Lows 58 to 63. Winds west 15 mph in the evening becoming light.
Sunday...Partly cloudy in the morning...Becoming mostly sunny. Highs 77 to 82 in the western valleys to 88 to 93 near the foothills. Light winds becoming west 15 mph in the afternoon.
Sunday Night...Mostly clear in the evening then patchy low clouds and fog. Lows 58 to 63. Winds west 15 mph in the evening becoming light.
Monday...Patchy low clouds and fog in the morning then mostly sunny. Highs 77 to 82 in the western valleys to 88 to 93 near the foothills. Light winds.
Monday Night...Mostly clear in the evening then patchy low clouds and fog. Lows 56 to 61.
Tuesday...Patchy low clouds and fog in the morning then mostly sunny. Highs 76 to 81 in the western valleys to 86 to 91 near the foothills.
Tuesday Night...Mostly clear in the evening then patchy low clouds and fog. Lows 56 to 61.
Wednesday...Patchy low clouds and fog in the morning then mostly sunny. Highs 75 to 80 in the western valleys to 84 to 89 near the foothills.
Wednesday Night...Mostly clear in the evening then patchy low clouds and fog. Lows 56 to 61.
Thursday...Patchy low clouds and fog in the morning then mostly sunny. Highs 75 to 80 in the western valleys to 83 to 88 near the foothills.
Thursday Night...Mostly clear in the evening then patchy low clouds and fog. Lows 56 to 61.
Friday...Partly cloudy in the morning...Becoming mostly sunny. Highs 76 to 81 in the western valleys to 86 to 91 near the foothills.