Historical weather data, all-time temperature records, and monthly climate averages for West Whittier-Los Nietos, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
There's a data gap here — no specific "today" date was provided to pull historical context from. Once a date is supplied, this section will highlight what's typically happened on this day in West Whittier-Los Nietos and any notable extremes.
West Whittier-Los Nietos plays no games when the heat arrives — the all-time high of 118° on July 6, 2018 ranks among the most punishing readings in Southern California history. On the other end, the mercury has dipped to 29° only once on record, back in January 2013, a reminder that hard freezes are rare but not impossible.
This corner of the LA Basin runs warm nearly year-round, with average highs never dropping below 67° even in the dead of winter. Peak heat lands in late August through early September, when typical highs push to 97°, making that window the one to plan around if you're heat-sensitive. Rain is essentially a January-through-March affair — summers are bone dry.