United States · 1991–2020 normal

Lake San Marcos in
August.

Typical August weather in Lake San Marcos: 24.3°C by day, 18.6°C at night, 1 mm of rain over 0.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high24.3°C
Typical low18.6°C
Rain1 mm
Wet days0.2

Comfort score 93 this month (October leads the year at 97). Daylight is calculated as 13 h 22 from latitude 33.13°. Open-water sea temperature is 21.4°C (16 km from the place centre).

Event window

Warm sea in August

The nearest open-water NOAA OISST 1991–2020 cell averages 21.4°C in August. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5364663
NOAA station
USW00003177 · CARLSBAD MCCLELLAN PALOMAR AP
Station distance
6.3 km from the place centre
Coverage
Good coverage · 23 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.