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Weather in La Mesa, United States 🇺🇸

Current Weather in La Mesa

Coastal Flood Advisory issued September 3 at 8:46PM PDT until September 8 at 11:00PM PDT by NWS San Diego CA
Clear
16°C
Feels like 16°C. Clear.
🌬️ 4 km/h WSW
💧 87% Humidity
🧭 1012 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 13°C
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:09 PM
Map Overlays:

Right now La Mesa is 16°C with clear, feeling like 16°C. Relative humidity is 87%, with winds around 4 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in La Mesa from about 15°C to 28°C. ⚠️ Coastal Flood Advisory issued September 3 at 8:46PM PDT until September 8 at 11:00PM PDT by NWS San Diego CA

Hourly Forecast for La Mesa

05:00
Clear
15°
13%
06:00
Partly Cloudy
15°
18%
07:00
Mist
16°
17%
08:00
Sunny
18°
12%
09:00
Partly Cloudy
20°
9%
10:00
Sunny
23°
2%
11:00
Sunny
24°
1%
12:00
Sunny
26°
1%
13:00
Sunny
26°
1%
14:00
Sunny
27°
1%
15:00
Sunny
26°
1%
16:00
Sunny
26°
1%
17:00
Sunny
26°
1%
18:00
Sunny
25°
1%
19:00
Sunny
24°
2%
20:00
Clear
23°
3%
21:00
Clear
22°
3%
22:00
Clear
22°
4%
23:00
Clear
22°
4%
00:00
Clear
21°
4%
01:00
Clear
21°
4%
02:00
Clear
21°
4%
03:00
Clear
21°
4%
04:00
Clear
21°
4%

14-Day Forecast for La Mesa

Fri, Sep 04
Sunny Sunny
27° / 15°
Sat, Sep 05
Sunny Sunny
28° / 21°
Sun, Sep 06
Overcast Overcast
24° / 21°
Mon, Sep 07
Sunny Sunny
30° / 21°
Tue, Sep 08
Sunny Sunny
28° / 21°
Wed, Sep 09
Sunny Sunny
25° / 20°
Thu, Sep 10
Sunny Sunny
22° / 18°
Fri, Sep 11
Sunny Sunny
24° / 19°
Sat, Sep 12
Sunny Sunny
23° / 19°
Sun, Sep 13
Sunny Sunny
25° / 18°
Mon, Sep 14
Sunny Sunny
26° / 20°
Tue, Sep 15
Sunny Sunny
25° / 19°
Wed, Sep 16
Sunny Sunny
23° / 19°
Thu, Sep 17
Sunny Sunny
27° / 18°

Additional Forecasts for La Mesa

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 177.0 μg/m³
O₃ (Ozone) 6.0 μg/m³
NO₂ (Nitrogen Dioxide) 44.9 μg/m³
SO₂ (Sulphur Dioxide) 1.4 μg/m³
PM2.5 (Fine particles) 20.3 μg/m³
PM10 (Coarse particles) 23.2 μg/m³

Historical Weather

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Best Time to Be Outside in La Mesa Today

The most comfortable window in La Mesa today looks like 17:00 to 20:00, when it is around 25°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in La Mesa

What is the temperature in La Mesa right now?

The current temperature in La Mesa is 16°C (60°F), clear (feels like 16°C).

What's the weather like in La Mesa right now?

Right now La Mesa has Clear, humidity 87%, wind 4 km/h WSW.

What is today's forecast for La Mesa?

Today in La Mesa: high 27°C, low 15°C, sunny. Chance of rain: 4%.

What is the 7-day weather forecast for La Mesa?

Daily highs and lows for La Mesa:

  • 2026-09-04: 27°C / 15°C
  • 2026-09-05: 28°C / 21°C
  • 2026-09-06: 24°C / 21°C
  • 2026-09-07: 30°C / 21°C
  • 2026-09-08: 28°C / 21°C
  • 2026-09-09: 25°C / 20°C
  • 2026-09-10: 22°C / 18°C
Is it going to rain in La Mesa today?

There is a 4% chance of rain in La Mesa today.

What is the wind speed in La Mesa right now?

Wind in La Mesa is currently 4 km/h (2 mph) from the WSW.

What is the UV index in La Mesa right now?

The UV index in La Mesa is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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