California · NWS SGX office

La Mesa, CA weather

It is 62°F at DW5256 La Mesa as of Oct 27, 10:35 PM PDT. Tonight: Mostly Cloudy, low near 56°F. Forecast from the National Weather Service, issued Oct 27, 11:13 PM PDT.

Updated Oct 27, 11:21 PM PDT (snapshot)

Current conditions

Temperature

62°F

Patchy Fog

Wind

Calm

Humidity 80% · dew point 56°F

Pressure · visibility

29.92 inHg

Visibility —

Observed at DW5256 La Mesa (D5256), Oct 27, 10:35 PM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the La Mesa forecast zone right now.

Around the NWS SGX forecast area

1 active alert covers zones served by the SGX office near La Mesa:

  • Coastal Flood Warning

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. California has 8 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for La Mesa (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM61°FPatchy Fog0%SE 5 mph
Wed 12 AM60°FPatchy Fog0%SE 5 mph
Wed 1 AM59°FPatchy Fog0%E 5 mph
Wed 2 AM59°FPatchy Fog0%E 5 mph
Wed 3 AM58°FPatchy Fog0%E 5 mph
Wed 4 AM57°FPatchy Fog0%E 5 mph
Wed 5 AM57°FPatchy Fog0%E 5 mph
Wed 6 AM56°FPatchy Fog0%E 5 mph
Wed 7 AM56°FPatchy Fog0%E 5 mph
Wed 8 AM57°FPatchy Fog0%E 5 mph
Wed 9 AM62°FPatchy Fog0%SE 5 mph
Wed 10 AM66°FPatchy Fog0%S 5 mph
Wed 11 AM70°FMostly Sunny0%SW 5 mph
Wed 12 PM72°FMostly Sunny0%SW 5 mph
Wed 1 PM73°FMostly Sunny0%SW 5 mph
Wed 2 PM73°FMostly Sunny0%SW 10 mph
Wed 3 PM73°FMostly Sunny0%SW 10 mph
Wed 4 PM72°FMostly Sunny0%SW 10 mph
Wed 5 PM70°FPartly Sunny0%SW 5 mph
Wed 6 PM68°FMostly Cloudy0%SW 5 mph
Wed 7 PM66°FMostly Cloudy0%SW 5 mph
Wed 8 PM64°FMostly Cloudy0% 0 mph
Wed 9 PM63°FMostly Cloudy0% 0 mph
Wed 10 PM63°FMostly Cloudy0% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in La Mesa can differ.

7-day forecast

Tonight

Low 56°F

Mostly cloudy, with a low around 56. East wind around 5 mph.

Wednesday

High 74°F·Low 59°F

Mostly sunny, with a high near 74. South wind 0 to 10 mph.

Wednesday Night: Mostly cloudy, with a low around 59. Northwest wind 0 to 5 mph.

Thursday

High 73°F·Low 61°F

Mostly sunny, with a high near 73. Southwest wind 0 to 10 mph.

Thursday Night: A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday

High 70°F·Low 58°F

Partly sunny, with a high near 70.

Friday Night: Mostly cloudy, with a low around 58.

Saturday

High 72°F·Low 59°F

A chance of rain showers after 11am. Mostly cloudy, with a high near 72.

Saturday Night: Rain showers likely. Cloudy, with a low around 59.

Sunday

High 69°F·Low 57°F

Rain showers likely. Mostly cloudy, with a high near 69.

Sunday Night: A chance of rain showers before 10pm. Partly cloudy, with a low around 57.

Monday

High 74°F·Low 57°F

Sunny, with a high near 74.

Monday Night: Mostly clear, with a low around 57.

Tuesday

High 75°F

Sunny, with a high near 75.

Nearby cities

Larger cities in the area

Other cities in San Diego County

See every city we cover in California, or check all active alerts.

About this forecast

Forecast office
La Mesa is served by the National Weather Service SGX forecast office, forecast zone CAZ050, county zone CAC073.
Location used
The Census Bureau's internal point for La Mesa (32.7695, -117.0219), in San Diego County. Population: 60,767 (2024 estimate), number 147 of the 296 California cities on this site.
Radar
Nearest NWS radar: KNKX. View it on radar.weather.gov.

On Amazon

Weather-ready picks

As an Amazon Associate I earn from qualifying purchases.

Home & kitchen LEVOIT Air Purifier An air purifier for smoky or high-pollen days indoors. View on Amazon → Men’s fashion Hanes Fleece Hooded Sweatshirt A warm hoodie for chilly mornings. View on Amazon → Fitness & outdoors Stanley Quencher H2.0 Tumbler A big tumbler for long commutes and outdoor days. View on Amazon → Fitness & outdoors LifeStraw Personal Water Filter A personal water filter worth adding to an emergency kit. View on Amazon →

Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/32.7695,-117.0219 (forecast issued Oct 27, 11:13 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

More California cities