Orange, California Weather
Ceanothus blooms again. Day 93 of summer. Read this microseason across nine climate regions →
Orange weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 7:23 AM PDT · Open-Meteo
- TodaySep 21Mostly Clear later——79°68°—
- TuesdaySep 22Overcast——79°65°0°
- WednesdaySep 23Clear——87°63°+8°
- ThursdaySep 24Clear——87°70°0°
- FridaySep 25Overcast——90°71°+3°
- SaturdaySep 26Overcast——91°72°+1°
- SundaySep 27Partly Cloudy——89°72°-2°
Air quality now AQI 66 · Moderate
AQI 66 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 27.3 µg/m³ (AQI 85) with a 0.88 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
PM × Wind × Precip
PM2.5 at 27.3 µg/m³ (AQI 85) with a 0.88 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
NO₂ × Time of day
NO₂ at AQI 27 during morning rush — well-ventilated, no traffic signature.
- Present
- AQI 27
- Phase
- morning rush
- Pattern
- low
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
- 1:36 AM
- In sign
- ♑︎ Capricorn
Ceanothus blooms again
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Orange at a glance
- Today vs. normal: Today averages 74°F (high 79°F, low 68°F), about the 75°F normal for Sep 21
- Last frost: None in most years — 32°F in 1% of 1991–2020 years (NOAA station 7 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Orange
- Mon79°68°2%
- Tue79°65°0%
- Wed87°63°0%
- Thu87°70°1%
- Fri90°71°2%
- Sat91°72°1%
- Sun89°72°2%
- Mon93°69°4%
- Tue96°73°4%
- Wed101°79°6%
- Thu103°83°3%
- Fri101°84°11%
- Sat98°81°10%
- Sun98°81°9%
- Mon98°83°7%
- Tue94°80°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Orange
Interactive wind and temperature map centered on Orange — 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, tomatoes, peppers, beans, and squash; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Orange
Orange sits in Orange County, where the year’s longest day runs 14h 24m of daylight and its shortest just 9h 54m — a swing of +4h 30m 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 40 miles to the WNW. The nearest town Orange tracks is Anaheim, roughly 3 miles to the NW.
Air quality in Orange
Air quality in Orange’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 Orange.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| February | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| May | lettuce, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| July | lettuce, peas, tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| September | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| October | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| November | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| December | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
A year in weather
In Orange, August runs warmest near 77°F and December coldest around 59°F, while January is the wettest month (3.2 inches) and August the driest (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 60° | 3.2″ | 5 |
| February | 60° | 3.0″ | 5 |
| March | 63° | 1.8″ | 3 |
| April | 65° | 0.7″ | 2 |
| May | 68° | 0.4″ | 1 |
| June | 72° | 0.1″ | 0 |
| July | 76° | 0.1″ | 0 |
| August | 77° | 0.0″ | 0 |
| September | 76° | 0.1″ | 0 |
| October | 71° | 0.6″ | 1 |
| November | 65° | 1.0″ | 2 |
| December | 59° | 2.4″ | 4 |
Regional context
Similar climates Villa Park, CA, Anaheim, CA, North Tustin, CA
Per NOAA NCEI 1991-2020 normals, Orange runs from a 60°F January mean to 76°F in July, a 16°F seasonal spread, with near 13.5 inches of precipitation across about 23 wet days.
Orange's moisture rides winter storm tracks: January brings 3.2 inches over 4.5 wet days, while August sees only 0.0 inches across 0.0 days in the dry warm season. That groups Orange with places like Villa Park, CA, Anaheim, CA and North Tustin, CA on the same cool-season storm track.
Hard freezes are rare in Orange: the coldest month averages 59°F, so Orange's growing window runs most of the year. August is the hottest stretch near 77°F, pushing cool-season crops to the milder shoulder months. Orange beds by a wall stay warmer at night.
Similar climates: Villa Park, CA, Anaheim, CA, North Tustin, CA, Tustin, CA, Placentia, CA.
Frequently asked
- When does it freeze in Orange?
- A freeze is the exception in Orange: the nearest NOAA station hit 32°F in 1% of 1991–2020 years, too few for a frost date in Orange.
- What is the rainy season in Orange?
- Rainfall in Orange peaks in January near 3.2 inches, out of about 14 inches annually.
- What is the warmest month in Orange?
- The warmest stretch in Orange comes in August, around 77°F on average.
- What is the coldest month in Orange?
- On average December is the chilliest month in Orange, about 59°F.
- When can I start a vegetable garden in Orange?
- Start whenever suits in Orange — freezes are too rare for a frost date — and save lettuce and peas for Orange's coolest stretch, near 59°F.
- How many rainy days does Orange get?
- Orange records around 23 days of measurable precipitation annually.
- What hardiness zone is Orange?
- Orange's hardiness zone tracks its winter low; with December near 59°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Orange?
- Orange'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 Orange?
- See this week's day-by-day rain chances for Orange in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Orange?
- Current conditions for Orange and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Orange forecast updated?
- The Orange forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Orange?
- Today's sunrise and sunset times for Orange 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 Orange?
- The next few days in Orange's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Orange sits at 33.8°N; its climate zone is hot-summer Mediterranean (Köppen approximation).
ZIP codes in Orange
- 92856
- 92857
- 92863
- 92864
- 92865
- 92866
- 92867
- 92868
- 92869