Long Beach, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Long Beach weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——83°63°—
- MondayJul 6Overcast——83°61°0°
- TuesdayJul 7Clear——82°62°-1°
- WednesdayJul 8Clear——84°67°+2°
- ThursdayJul 9Clear——76°68°-8°
- FridayJul 10Overcast——76°67°0°
- SaturdayJul 11Overcast——75°67°-1°
AQI 35 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.5 µg/m³, PM10 at 12.7 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 9.5 µg/m³, PM10 at 12.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:08 PM
- Moonset
- 11:11 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Long Beach at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 90802, 90803, 90804, 90805, 90806, 90807, 90808, 90810 +6 more
16-Day Forecast — Long Beach
- Sun83°63°0%
- Mon83°61°0%
- Tue82°62°0%
- Wed84°67°0%
- Thu76°68°0%
- Fri76°67°0%
- Sat75°67°1%
- Sun80°68°2%
- Mon79°70°6%
- Tue78°70°8%
- Wed89°72°3%
- Thu90°72°10%
- Fri97°80°10%
- Sat94°75°10%
- Sun80°73°19%
- Mon81°72°19%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Long Beach
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Microseason · July 1–5
Summer heat deepens across the valleys
Inland temperatures exceed 95°F regularly; fire danger reaches moderate to high across most of the region.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
Long Beach's warmest month is August (~73°F mean) and its coldest is January (~54°F). Rainfall peaks in February (2.3 inches) and bottoms out in August (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 54° | 2.2″ | 9 |
| February | 55° | 2.3″ | 8 |
| March | 57° | 1.8″ | 9 |
| April | 61° | 0.8″ | 7 |
| May | 64° | 0.2″ | 4 |
| June | 67° | 0.0″ | 2 |
| July | 72° | 0.1″ | 1 |
| August | 73° | 0.0″ | 0 |
| September | 71° | 0.0″ | 1 |
| October | 67° | 0.3″ | 3 |
| November | 60° | 1.0″ | 6 |
| December | 54° | 1.7″ | 7 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Long Beach sees 54°F Januarys and 72°F Julys, a 18°F range, plus around 10.6 inches of precipitation across 57 days.
Precipitation in Long Beach peaks in the cool season: February averages 2.3 inches across 7.6 storm-fed days, while August bottoms out at 0.0 inches over just 0.2 rainy days. It is a winter-storm rhythm Long Beach shares with places like Signal Hill, CA, Lakewood, CA and Rossmoor, CA.
Freezes are uncommon in Long Beach, where the coldest month averages 54°F; cool-season crops grow fall through spring. Summer heat in August (about 73°F) is the binding constraint, not cold. Across Long Beach, elevation and tree cover drive a 4-7°F spread in Long Beach's overnight lows.
Similar climates: Signal Hill, CA, Lakewood, CA, Rossmoor, CA, Carson, CA, Hawaiian Gardens, CA.
Naturalist notes
California poppies begin their peak bloom period in late March, carpeting coastal hills with brilliant orange flowers.
Allen's hummingbirds return from their southern wintering grounds in February, their metallic calls marking the approach of spring.
Frequently asked
- When does it freeze in Long Beach?
- Frost typically leaves Long Beach by mid-March and returns to Long Beach near mid-December.
- What is the rainy season in Long Beach?
- Long Beach sees its heaviest rain in February (around 2.3 inches), part of roughly 11 inches a year.
- What is the warmest month in Long Beach?
- On average August tops the year in Long Beach at about 73°F.
- What is the coldest month in Long Beach?
- The coldest stretch in Long Beach falls in January, around 54°F on average.
- When can I start a vegetable garden in Long Beach?
- In Long Beach, sow peas and hardy greens around mid-March; Long Beach's tomatoes and peppers wait two weeks more.
- How many rainy days does Long Beach get?
- Long Beach averages about 57 days with measurable rain or snow each year.
- What hardiness zone is Long Beach?
- Since January in Long Beach averages 54°F, Long Beach's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Long Beach?
- Long Beach's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Long Beach?
- See this week's day-by-day rain chances for Long Beach in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Long Beach?
- Current conditions for Long Beach and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Long Beach forecast updated?
- The Long Beach forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Long Beach?
- Today's sunrise and sunset times for Long Beach are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Long Beach?
- The next few days in Long Beach's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Long Beach, California, the hot-summer Mediterranean climate runs from about 54°F in January to 72°F in July, a 18°F seasonal range.
Long Beach sees close to 11 inches of precipitation annually, falling across some 57 wet days.
Long Beach's 18°F range, set by its 33.8°N position, drives frost timing and what thrives in Long Beach.
ZIP codes in Long Beach
- 90822
- 90804
- 90805
- 90806
- 90807
- 90802
- 90803
- 90808
- 90831
- 90814
- 90813
- 90810
- 90815
- 90840
- 90801
- 90809
- 90832
- 90833
- 90842
- 90844
- 90846
- 90847
- 90848
- 90853