Weather Forecast for Carlsbad

California, United States of America

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Cloudy

Current Weather - Carlsbad: 21°C

California, United States of America

Cloudy

Feels like 21°C

Wind

14 km/h SW

Humidity

64%

Pressure

1014 mb

UV Index

9

Visibility

16 km

Overcast

Overcast

Sunday, May 10, 2026

High

19°C

Low

15°C

Rain Chance

0%

Hourly Forecast

Overcast 16°C
23:00
May 11

Day Statistics

Maximum Wind

15 km/h

Humidity

88%

Precipitation

0 mm

UV Index

9

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

05:54 AM

Sunset

07:39 PM

Moonrise

02:07 AM

Moonset

01:18 PM

Moon Phase

Waning Crescent

Moon Illumination

49%

Air Quality

PM2.5

20.1

μg/m³

PM10

21.9

μg/m³

NO₂

28.9

μg/m³

O₃

77.2

μg/m³

SO₂

4.6

μg/m³

CO

197.8

μg/m³

US EPA Index: 2 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

974.16

Diffuse Radiation

127.1

DNI

0

GTI

132.63

Weather Alerts

Extreme Heat Warning issued May 10 at 3:05AM PDT until May 11 at 8:00PM PDT by NWS San Diego CA

Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning May 10, 03:05 AM - May 10, 02:15 PM
Severity: Severe Urgency: Expected

* WHAT...Dangerously hot conditions with temperatures 104 to 109 degrees possible. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM this morning to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hottest conditions expected on Monday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Event: Extreme Heat Warning Certainty: Likely Category: Met

Extreme Heat Warning issued May 10 at 11:25AM PDT until May 11 at 8:00PM PDT by NWS San Diego CA

Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning May 10, 11:25 AM - May 10, 10:15 PM
Severity: Severe Urgency: Expected

* WHAT...Dangerously hot conditions with temperatures 104 to 110 degrees possible. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hottest conditions expected on Monday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Event: Extreme Heat Warning Certainty: Likely Category: Met

When to visit Carlsbad?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
19°C
💧
11 Days of rain
❄️
No snowfall

February

☀️
19°C
💧
14 Days of rain
❄️
No snowfall
🌧 Wettest month,

March

☀️
20°C
💧
9 Days of rain
❄️
No snowfall

April

☀️
21°C
💧
5 Days of rain
❄️
No snowfall

May

☀️
23°C
💧
2 Days of rain
❄️
No snowfall

June

☀️
25°C
💧
1 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
28°C
💧
0 Days of rain
❄️
No snowfall
Best time to visit

August

☀️
29°C
💧
0 Days of rain
❄️
No snowfall
Best time to visit
🔥 Hottest month
🌵 Driest month

September

☀️
29°C
💧
1 Days of rain
❄️
No snowfall

October

☀️
26°C
💧
3 Days of rain
❄️
No snowfall

November

☀️
22°C
💧
4 Days of rain
❄️
No snowfall

December

☀️
19°C
💧
8 Days of rain
❄️
No snowfall
🥶 Coldest month