San Mateo 2026-08-23

14 dry days in a row could start 2026-08-23. A dry day here means 1mm of rain or less; the important number is the length of the run. Crops in flowering or fruit-set windows are most exposed.

6 days in a row could stay below 15°C, starting 2026-08-28. Longer than this region usually sees at this time of year. Crops in flowering, livestock, and rooftop venues may be exposed.

Daily highs may average around 28.5°C over the next week — above the 23.1°C typical for this time of year. Outdoor work, livestock, and crops in flowering can come under stress.