California · NWS SGX office

Lemon Grove, CA weather

It is 59°F at EW3680 Lemon Grove as of Oct 28, 2:00 AM PDT. Overnight: Mostly Cloudy, low near 57°F. Forecast from the National Weather Service, issued Oct 28, 12:03 AM PDT.

Updated Oct 28, 2:26 AM PDT (snapshot)

Current conditions

Temperature

59°F

Mostly Cloudy

Wind

Calm

Humidity 88% · dew point 55°F

Pressure · visibility

29.94 inHg

Visibility —

Observed at EW3680 Lemon Grove (E3680), Oct 28, 2:00 AM PDT. Station readings can lag or be missing.

Alerts for this area

Coastal Flood Warning Severe Expected

Coastal Flood Warning issued October 28 at 1:09AM PDT until October 29 at 1:00PM PDT by NWS San Diego CA

Area
San Diego County Coastal Areas; Orange County Coastal
In effect
Oct 28, 1:09 AM PDT
Until
Oct 29, 1:00 PM PDT
Issued by
NWS San Diego CA
Full text

* WHAT...Significant coastal flooding expected. * WHERE...San Diego County coastal areas and Orange County Coastal Areas. * WHEN...Until 1 PM PDT Thursday during high tides in the late mornings. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur in the late mornings. * ADDITIONAL DETAILS...Coastal residents and managers of infrastructure in the warned area should prepare for rising water and take appropriate action to protect life and property. High tides each day will occur in the late morning. Observed high tides are 1.4 to 1.6 feet above astronomical tide predictions.

What to do: Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.

Around the NWS SGX forecast area

1 active alert covers zones served by the SGX office near Lemon Grove:

  • Coastal Flood Warning

From the alert snapshot of Oct 28, 2026, 5:12 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 Lemon Grove (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM58°FMostly Cloudy0%NE 5 mph
Wed 5 AM57°FMostly Cloudy0%E 5 mph
Wed 6 AM57°FPartly Sunny0%NE 5 mph
Wed 7 AM57°FPartly Sunny0%E 5 mph
Wed 8 AM58°FMostly Sunny0%E 5 mph
Wed 9 AM62°FMostly Sunny0%E 5 mph
Wed 10 AM65°FMostly Sunny0% 0 mph
Wed 11 AM71°FSunny0% 0 mph
Wed 12 PM72°FSunny0%W 5 mph
Wed 1 PM73°FSunny0%SW 5 mph
Wed 2 PM74°FMostly Sunny0%SW 5 mph
Wed 3 PM73°FMostly Sunny0%W 10 mph
Wed 4 PM72°FMostly Sunny0%W 10 mph
Wed 5 PM71°FPartly Sunny0%W 5 mph
Wed 6 PM68°FMostly Cloudy0%W 5 mph
Wed 7 PM66°FMostly Cloudy0%W 5 mph
Wed 8 PM64°FPartly Cloudy0%W 5 mph
Wed 9 PM64°FPartly Cloudy0%W 5 mph
Wed 10 PM63°FPartly Cloudy0% 0 mph
Wed 11 PM62°FMostly Cloudy0% 0 mph
Thu 12 AM62°FMostly Cloudy0% 0 mph
Thu 1 AM61°FMostly Cloudy0% 0 mph
Thu 2 AM61°FMostly Cloudy0% 0 mph
Thu 3 AM60°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 Lemon Grove can differ.

7-day forecast

Overnight

Low 57°F

Mostly cloudy, with a low around 57. East wind around 5 mph.

Wednesday

High 74°F·Low 59°F

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

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

Thursday

High 72°F·Low 62°F

Mostly sunny, with a high near 72. Southwest wind 0 to 10 mph.

Thursday Night: A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 62. 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 59°F

Partly sunny, with a high near 70.

Friday Night: Mostly cloudy, with a low around 59.

Saturday

High 71°F·Low 59°F

Rain showers likely after 11am. Cloudy, with a high near 71.

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
Lemon Grove is served by the National Weather Service SGX forecast office, forecast zone CAZ043, county zone CAC073.
Location used
The Census Bureau's internal point for Lemon Grove (32.7331, -117.0344), in San Diego County. Population: 27,867 (2024 estimate), number 253 of the 296 California cities on this site.
Radar
Nearest NWS radar: KNKX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/32.7331,-117.0344 (forecast issued Oct 28, 12:03 AM 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.

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