Huntington Beach, California Weather
Ceanothus blooms again. Day 93 of summer. Read this microseason across nine climate regions →
Huntington Beach weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 7:27 AM PDT · Open-Meteo
- TodaySep 21Overcast——75°68°—
- TuesdaySep 22Overcast——74°63°-1°
- WednesdaySep 23Clear——75°62°+1°
- ThursdaySep 24Clear——75°71°0°
- FridaySep 25Overcast——77°72°+2°
- SaturdaySep 26Overcast——78°73°+1°
- SundaySep 27Mostly Clear——76°71°-2°
Air quality now AQI 50 · Good
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.6 µg/m³ (AQI 56) with a 0.69 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 0.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6.
- Present
- AQI 38
- UV peak
- 0.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 11.6 µg/m³ (AQI 56) with a 0.69 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.69
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:10 PM
- Moonset
- 1:37 AM
- In sign
- ♑︎ Capricorn
Ceanothus blooms again
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Huntington Beach at a glance
- Today vs. normal: Today averages 72°F (high 75°F, low 68°F), about the 71°F normal for Sep 21
- Last frost: None — no 32°F night in 1991–2020 (NOAA station 13 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant lettuce, peas, spinach, radishes, beans, squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Huntington Beach
- Mon75°68°3%
- Tue74°63°0%
- Wed75°62°0%
- Thu75°71°1%
- Fri77°72°1%
- Sat78°73°1%
- Sun76°71°1%
- Mon80°70°6%
- Tue81°73°4%
- Wed87°76°6%
- Thu86°77°1%
- Fri84°76°6%
- Sat82°75°10%
- Sun82°75°9%
- Mon83°76°3%
- Tue81°75°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Huntington Beach
Interactive wind and temperature map centered on Huntington Beach — it loads in your browser. Open the full weather map.
Right now in the garden
Year-round growing
As of September 21, sowing here runs through the year. Freezes are uncommon, so there is no frost date to plan around; heat and rainfall set the calendar instead. This city's planting calendar for September: plant lettuce, peas, spinach, radishes, beans, and squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Huntington Beach
Huntington Beach sits in Orange County, where the year’s longest day runs 14h 24m of daylight and its shortest just 9h 55m — a swing of +4h 29m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Los Angeles, the state’s largest city, lies about 37 miles to the NW. The nearest town Huntington Beach tracks is Garden Grove, roughly 6 miles to the NNE.
Air quality in Huntington Beach
Air quality in Huntington Beach’s county has held roughly steady since 2020; its cleanest year on record was 2023 (median AQI 52). See the full air-quality history for Huntington Beach.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| February | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| March | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, summer squash |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash |
| July | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| August | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| September | lettuce, peas, spinach, radishes, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| October | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| November | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| December | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
A year in weather
In Huntington Beach, August runs warmest near 73°F and January coldest around 54°F, while February is the wettest month (2.5 inches) and August the driest (0.0 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 54° | 2.3″ |
| February | 56° | 2.5″ |
| March | 58° | 2.0″ |
| April | 61° | 0.9″ |
| May | 64° | 0.3″ |
| June | 68° | 0.0″ |
| July | 72° | 0.1″ |
| August | 73° | 0.0″ |
| September | 72° | 0.0″ |
| October | 68° | 0.3″ |
| November | 60° | 1.1″ |
| December | 54° | 1.8″ |
Regional context
Similar climates Fountain Valley, CA, Midway City, CA, Westminster, CA
Huntington Beach's climate, from modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), pairs 54°F Januarys with 72°F Julys — an 18°F swing. About 11.3 inches of precipitation falls each year.
Cool-season fronts carry Huntington Beach's rain: February logs 2.5 inches, against August's 0.0 inches — winter does the heavy lifting in Huntington Beach. It is a winter-storm rhythm Huntington Beach shares with places like Fountain Valley, CA, Midway City, CA and Westminster, CA.
Huntington Beach rarely sees a hard freeze — its coldest month sits near 54°F — so planting spans most of the calendar. Heat peaks in August around 73°F, which confines cool-season crops to the shoulders of summer. Huntington Beach's rare cold nights chill open ground first.
Similar climates: Fountain Valley, CA, Midway City, CA, Westminster, CA, Costa Mesa, CA, Seal Beach, CA.
Frequently asked
- When does it freeze in Huntington Beach?
- Freezes don't happen in Huntington Beach in a normal year — no 32°F night at the nearest NOAA station across 1991–2020, with Huntington Beach's coldest month near 54°F.
- What is the rainy season in Huntington Beach?
- Rainfall in Huntington Beach peaks in February near 2.5 inches, out of about 11 inches annually.
- What is the warmest month in Huntington Beach?
- Huntington Beach peaks in August, when the mean runs near 73°F.
- What is the coldest month in Huntington Beach?
- January is Huntington Beach's coldest month, averaging about 54°F.
- When can I start a vegetable garden in Huntington Beach?
- Huntington Beach has no frost date to wait for, so sowing runs year-round; lettuce and greens do best when Huntington Beach's coldest month settles near 54°F.
- What hardiness zone is Huntington Beach?
- With January around 54°F, Huntington Beach's zone reflects that minimum — the USDA ZIP map confirms Huntington Beach's band.
- What is the 10-day forecast for Huntington Beach?
- Huntington 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 Huntington Beach?
- See this week's day-by-day rain chances for Huntington Beach in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Huntington Beach?
- Current conditions for Huntington 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 Huntington Beach forecast updated?
- The Huntington 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 Huntington Beach?
- Today's sunrise and sunset times for Huntington 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 Huntington Beach?
- The next few days in Huntington Beach's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Huntington Beach sits at 33.7°N; its climate zone is hot-summer Mediterranean (Köppen approximation).
ZIP codes in Huntington Beach
- 90742
- 92605
- 92615
- 92646
- 92647
- 92648
- 92649