Anaheim, California Weather
Ceanothus blooms again. Day 93 of summer. Read this microseason across nine climate regions →
Anaheim weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 12:40 AM PDT · Open-Meteo
- TodaySep 21Overcast later——80°66°—
- TuesdaySep 22Overcast——80°64°0°
- WednesdaySep 23Clear——84°69°+4°
- ThursdaySep 24Clear——84°70°0°
- FridaySep 25Mostly Clear——88°71°+4°
- SaturdaySep 26Overcast——90°74°+2°
- SundaySep 27Overcast——91°75°+1°
Air quality now AQI 67 · Moderate
AQI 67 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 16.1 µg/m³ (AQI 64) with a 0.86 fine-to-coarse ratio and 2 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 16.1 µg/m³ (AQI 64) with a 0.86 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.86
- 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
- 1:36 AM
- In sign
- ♑︎ Capricorn
Ceanothus blooms again
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Anaheim at a glance
- Today vs. normal: Today averages 73°F (high 80°F, low 66°F), 2°F below the 75°F normal for Sep 21
- Last frost: None in most years — 32°F in 1% of 1991–2020 years (NOAA station 3 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
15-Day Forecast — Anaheim
- Mon79°66°0%
- Tue80°64°0%
- Wed84°69°0%
- Thu84°70°1%
- Fri88°71°0%
- Sat90°74°0%
- Sun91°75°3%
- Mon96°76°6%
- Tue92°83°11%
- Wed93°73°12%
- Thu78°71°3%
- Fri88°72°6%
- Sat89°77°7%
- Sun96°78°5%
- Mon84°80°3%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Anaheim
Interactive wind and temperature map centered on Anaheim — 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 Anaheim
Anaheim 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 37 miles to the WNW. The nearest town Anaheim tracks is Orange, roughly 3 miles to the SE.
Air quality in Anaheim
Air quality in Anaheim’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 Anaheim.
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 Anaheim, 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 Placentia, CA, Villa Park, CA, Orange, CA
Anaheim's climate, from NOAA NCEI 1991-2020 station normals, pairs 60°F Januarys with 76°F Julys — a 16°F swing. About 13.5 inches of precipitation falls over roughly 23 days a year.
Precipitation in Anaheim peaks in the cool season: January averages 3.2 inches across 4.5 storm-fed days, while August bottoms out at 0.0 inches over just 0.0 rainy days. That cool-season-wet pattern aligns Anaheim with places like Placentia, CA, Villa Park, CA and Orange, CA.
Freezes are uncommon in Anaheim, where the coldest month averages 59°F; cool-season crops grow fall through spring. Summer heat in August (about 77°F) is the binding constraint, not cold. Anaheim beds by a wall stay warmer at night.
Similar climates: Placentia, CA, Villa Park, CA, Orange, CA, Fullerton, CA, Brea, CA.
Frequently asked
- When does it freeze in Anaheim?
- A freeze is the exception in Anaheim: the nearest NOAA station hit 32°F in 1% of 1991–2020 years, too few for a frost date in Anaheim.
- What is the rainy season in Anaheim?
- Rainfall in Anaheim peaks in January near 3.2 inches, out of about 14 inches annually.
- What is the warmest month in Anaheim?
- Anaheim peaks in August, when the mean runs near 77°F.
- What is the coldest month in Anaheim?
- December is Anaheim's coldest month, averaging about 59°F.
- When can I start a vegetable garden in Anaheim?
- Any season works in Anaheim: without a reliable freeze, Anaheim's heat, not frost, decides when greens and tomatoes do best.
- How many rainy days does Anaheim get?
- Expect roughly 23 wet days a year in Anaheim.
- What hardiness zone is Anaheim?
- With December around 59°F, Anaheim's zone reflects that minimum — the USDA ZIP map confirms Anaheim's band.
- What is the 10-day forecast for Anaheim?
- Anaheim'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 Anaheim?
- See this week's day-by-day rain chances for Anaheim in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Anaheim?
- Current conditions for Anaheim and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Anaheim forecast updated?
- The Anaheim forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Anaheim?
- Today's sunrise and sunset times for Anaheim 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 Anaheim?
- The next few days in Anaheim's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Anaheim sits at 33.8°N; its climate zone is hot-summer Mediterranean (Köppen approximation).
ZIP codes in Anaheim
- 92801
- 92802
- 92803
- 92804
- 92805
- 92806
- 92807
- 92808
- 92809
- 92812
- 92815
- 92816
- 92817
- 92825
- 92899