Long Beach, CA Weather
Long Beach hourly forecast: next 24 hours
Today's high of 74°F (23°C) is about 6°F (3°C) below the typical September high of 80°F (27°C).
Current conditions in detail
Long Beach weather tomorrow (Wednesday, September 16)
Tomorrow in Long Beach looks sunny, with a high of 73° and an overnight low of 68°. Rain is unlikely (7% chance). Winds top out near 10 mph, and the UV index reaches 8 (very high).
Long Beach 14-day forecast
About the weather in Long Beach
Long Beach 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 2.8 inches (72 mm). Highs range from 64°F (18°C) to 80°F (27°C).
Long Beach weather: quick facts
- Hottest month: August - highs near 80°F (27°C)
- Coldest month: January - highs near 64°F (18°C)
- Decade extremes (2015-2024): 107°F (41°C) high · 35°F (2°C) low
- Wettest month: January (6 rainy days) · Sunniest: July (13.0 h sun/day)
- Climate type: semi-arid
- Annual swing: 9°C between the average warmest and coolest month · day to night: 9°C
- Average humidity: 72%
Temperatures through the year
8 months average under 20 mm of rain, the longest unbroken stretch running April through November. January is the coolest month, with highs of 64°F (18°C) and lows near 47°F (8°C). Warmth peaks in August: highs of 80°F (27°C), lows of 65°F (18°C). Between the average August and the average January lie 9°C, a narrower spread than about 77% of the cities we track.
Rain, sun and snow
The wettest month is January (2.8 inches (72 mm) across 6 days) and the driest July. The gridded 2015-2024 daily record for this location tops out at 107°F (41°C) and bottoms at 35°F (2°C) - decade extremes, not all-time station records.
Season by season
Spring (March through May)
Spring is mild and warm here - highs near 68°F (20°C), nights near 54°F (12°C), and rain comes on about 10 days over the three months. Daylight is generous - around 11.2 hours of sun a day.
Summer (June through August)
Summer settles into easy warmth here - highs near 78°F (26°C), nights near 63°F (17°C), and precipitation is sparse, near 12 mm (0.5 in) for the season. Daylight is generous - around 12.5 hours of sun a day.
Fall (September through November)
Fall in Long Beach is mild and warm, with daytime highs averaging 76°F (24°C) and nights around 58°F (15°C); precipitation is sparse, near 1.6 inches (40 mm) for the season. Daylight is generous - around 10.2 hours of sun a day.
Winter (December through February)
Through winter, Long Beach stays on the cool side of mild: 65°F (18°C) by day, 47°F (8°C) after dark, and rain comes on about 15 days over the three months.
Average temperatures in Long Beach by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 64° | 47° | 6 | 2.8 in | 8.4 h/day | 75% |
| February | 65° | 48° | 4 | 2.3 in | 9.2 h/day | 69% |
| March | 66° | 51° | 6 | 2.1 in | 10.4 h/day | 73% |
| April | 70° | 54° | 2 | 0.5 in | 11.4 h/day | 70% |
| May | 69° | 57° | 2 | 0.3 in | 11.8 h/day | 74% |
| June | 75° | 60° | 0 | 0.1 in | 12.4 h/day | 74% |
| July | 79° | 64° | 0 | 0.1 in | 13.0 h/day | 75% |
| August | 80° | 65° | 1 | 0.3 in | 12.1 h/day | 76% |
| September | 80° | 64° | 1 | 0.5 in | 11.2 h/day | 75% |
| October | 77° | 59° | 2 | 0.3 in | 10.0 h/day | 72% |
| November | 71° | 52° | 2 | 0.7 in | 9.3 h/day | 65% |
| December | 65° | 47° | 5 | 2.3 in | 8.1 h/day | 70% |