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Hourly Forecast
Daylight Hours
06:38
Sunrise
18:49
Sunset
Moon
Waxing Crescent
11:11
Moonrise
20:45
Moonset
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Weather in Carlsbad today, September 15, 2026
Carlsbad looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The first half of the day looks overcast, as cloud amounts reach about 100% around 00:00. Brighter weather, if it comes, waits until later.
Temperatures climb from an overnight low near 20°C toward a daytime high of about 24°C. The air stays humid, with relative humidity between 67% and 92% and the peak around 04:00. Winds stay light, near 6.5 km/h by 15:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 13:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.6 km on average, though it can drop toward 13.1 km in thicker cloud or showers. Daylight runs from 06:38 to 18:49, lasting 12 hours 11 minutes of sunlight today.
Overall, Carlsbad on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 24°C.
Frequently asked questions about weather in Carlsbad
How warm does it get in Carlsbad?
The warmest month in Carlsbad is August, with average high temperatures of 29°C. The average temperature during this period is around 23°C.
How cold does it get in Carlsbad?
The coldest month in Carlsbad is January, with average low temperatures of 9°C. The average temperature during this period is around 13°C.
What is the wettest time of year in Carlsbad?
The wettest month in Carlsbad is January, with an average of 83mm of precipitation.
What is the driest time of year in Carlsbad?
The driest month in Carlsbad is July, with an average of 2mm of precipitation.
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