Local weather forecast

Weather in La Mesa, CA

Updated 2026-08-11 10:30 local time · ZIP codes 91941, 91942

Partly cloudy
Now75°F

Partly cloudy

High / Low91° / 67°
Rain chance7%
Wind4 mph
Weather alerts

Active alerts

1
Coastal Flood Advisory issued August 11 at 1:37AM PDT until August 12 at 11:00PM PDT by NWS San Diego CA

* WHAT...Minor coastal flooding expected during the evening high tides. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...From 6 PM Monday to 11 PM PDT Wednesday. * IMPACTS...Flooding of low lying parking lots, parks, and roads. * ADDITIONAL DETAILS...High tides of 7.2 to 7.5 will peak each evening between 7:30PM-10PM due to astronomical high tides.

Safety instructions

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Hourly

Next hours

NowPartly cloudy75°4% rain
11 AMSunny90°2% rain
12 PMSunny91°3% rain
1 PMSunny90°4% rain
2 PMSunny90°4% rain
3 PMSunny88°4% rain
4 PMSunny87°4% rain
5 PMSunny85°3% rain
6 PMSunny82°4% rain
7 PMSunny79°6% rain
8 PMPartly Cloudy72°12% rain
9 PMClear71°13% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
91° 67°Sunny
Rain 7%Gust 10 mph
Tomorrow2026-08-12
Sunny
83° 72°Sunny
Rain 4%Gust 10 mph
Thursday2026-08-13
Partly Cloudy
78° 70°Partly Cloudy
Rain 8%Gust 9 mph
Conditions

Weather details

Feels like78°F
Humidity74%
Pressure30.03 inHg
Visibility10 mi
Wind4 mph W
Wind gusts5 mph
Precipitation0.00 in
UV index5
Daylight

Sunrise, sunset and moon

Sunrise06:08 AM
Sunset07:37 PM
Moonrise04:25 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 13%).

Light layers should work

It feels like 78°F with winds near 4 mph.

Best window: 7 PM

79°F, 6% rain chance and 8 mph wind.

Driving conditions look generally normal

Visibility is around 10 mi; gusts may reach 11 mph.

Good conditions for an easy run

Current temperature is 75°F, wind 4 mph, rain chance up to 13%.

Moderate UV protection recommended

UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.

La Mesa weather today

Partly cloudy and 75°F in La Mesa, CA. Today's high is 91°F with a 7% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 74%, pressure is 30.03 inHg, and visibility is about 10 miles.

Tonight and tomorrow in La Mesa

Sunrise is at 06:08 AM and sunset is at 07:37 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 72°F. The maximum rain chance is 4%.

Nearby

Weather near La Mesa

California

Popular cities in California

View state page →