Los Angeles, CA Weather
Los Angeles hourly forecast: next 24 hours
Today's high of 78°F (26°C) is about 10°F (6°C) below the typical September high of 88°F (31°C).
Current conditions in detail
Los Angeles weather tomorrow (Thursday, September 17)
Tomorrow in Los Angeles looks sunny, with a high of 78° and an overnight low of 68°. Rain is unlikely (5% chance). Winds top out near 12 mph, and the UV index reaches 8 (high).
Los Angeles 14-day forecast
About the weather in Los Angeles
Los Angeles runs on a dry-summer rhythm: the warmest months are also the driest. July averages 2 mm (0.1 in) while the wet season peaks in January at 3.5 inches (90 mm). Highs range from 66°F (19°C) to 90°F (32°C).
Los Angeles weather: quick facts
- Hottest month: August - highs near 90°F (32°C)
- Coldest month: January - highs near 66°F (19°C)
- Decade extremes (2015-2024): 114°F (46°C) high · 32°F (0°C) low
- Wettest month: January (6 rainy days) · Sunniest: July (13.1 h sun/day)
- Climate type: semi-arid
- Annual swing: 11°C between the average warmest and coolest month · day to night: 12°C
- Months averaging 30°C or hotter: 3
- Average humidity: 61%
Temperatures through the year
Seven of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is November through May. January is the coolest month, with highs of 66°F (19°C) and lows near 46°F (8°C). At its warmest, in August, Los Angeles runs to 90°F (32°C) in the afternoon and back to 65°F (18°C) by dawn. Relative humidity averages 61% across the year, drier than about 84% of the cities we track.
Rain, sun and snow
Days and nights are about 12°C apart on average - wider than 93% of the 3496 cities in our dataset. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 114°F (46°C) and the lowest daily minimum 32°F (0°C).
Season by season
Spring (March through May)
Spring is pleasantly warm here - highs near 74°F (23°C), nights near 52°F (11°C), and rain comes on about 13 days over the three months. Daylight is generous - around 10.9 hours of sun a day.
Summer (June through August)
Summer in Los Angeles is hot, with daytime highs averaging 87°F (31°C) and nights around 63°F (17°C); precipitation is sparse, near 17 mm (0.7 in) for the season. Daylight is generous - around 12.5 hours of sun a day.
Fall (September through November)
Through fall, Los Angeles runs hot: 82°F (28°C) by day, 58°F (15°C) after dark, and precipitation is sparse, near 1.7 inches (42 mm) for the season. Daylight is generous - around 10.1 hours of sun a day.
Winter (December through February)
Winter stays on the cool side of mild here - highs near 67°F (20°C), nights near 47°F (8°C), and rain comes on about 16 days over the three months.
Average temperatures in Los Angeles by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 66° | 46° | 6 | 3.5 in | 8.3 h/day | 65% |
| February | 69° | 47° | 5 | 2.9 in | 9.0 h/day | 58% |
| March | 70° | 49° | 8 | 2.9 in | 10.2 h/day | 65% |
| April | 76° | 53° | 2 | 0.6 in | 11.1 h/day | 61% |
| May | 76° | 55° | 3 | 0.4 in | 11.4 h/day | 67% |
| June | 83° | 60° | 1 | 0.2 in | 12.3 h/day | 65% |
| July | 88° | 64° | 1 | 0.1 in | 13.1 h/day | 64% |
| August | 90° | 65° | 1 | 0.4 in | 12.2 h/day | 63% |
| September | 88° | 64° | 1 | 0.4 in | 11.0 h/day | 63% |
| October | 83° | 59° | 2 | 0.4 in | 10.1 h/day | 57% |
| November | 75° | 52° | 2 | 0.8 in | 9.3 h/day | 50% |
| December | 67° | 47° | 5 | 3.1 in | 8.2 h/day | 58% |