Antioch, California Weather:
Monday, May 18, 2026
Partly Sunny with Showers
Day 75°
Night 55°
Precipitation 0 %
Wind 9 mph
Weather Forecast History
Last Year's Weather on This Day (May 18, 2025)
Sunny Weather

Day

82°

Night

57°

Wind

12 mph

UV Index

10

Precipitation

0 %