San Marcos, California Weather:
Saturday, October 31, 2026
Rainy Weather
Day 72°
Night 63°
Precipitation 59 %
Wind 6 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (October 31, 2025)
Night

Day

72°

Night

48°

Wind

4 mph

Precipitation

0 %