Palmdale, California Weather
Ceanothus blooms again. Day 93 of summer. Read this microseason across nine climate regions →
Palmdale weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:24 AM PDT · Open-Meteo
- TodaySep 21Clear——80°56°—
- TuesdaySep 22Clear——85°59°+5°
- WednesdaySep 23Clear——89°68°+4°
- ThursdaySep 24Clear——91°71°+2°
- FridaySep 25Overcast——91°71°0°
- SaturdaySep 26Overcast——91°72°0°
- SundaySep 27Overcast——90°70°-1°
Air quality now AQI 62 · Moderate
AQI 62 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 18.2 µg/m³ (AQI 68) with a 0.88 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 18.2 µg/m³ (AQI 68) with a 0.88 fine-to-coarse ratio and 2 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
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
- 4:13 PM
- Moonset
- 1:35 AM
- In sign
- ♑︎ Capricorn
Ceanothus blooms again
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Palmdale at a glance
- Today vs. normal: Today averages 68°F (high 80°F, low 56°F), 6°F below the 74°F normal for Sep 21
- Last frost: March 10 (1991–2020 median, NOAA station 1 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest peppers, beans, summer squash, winter squash
15-Day Forecast — Palmdale
- Mon80°56°1%
- Tue85°59°0%
- Wed89°68°0%
- Thu91°71°2%
- Fri91°71°1%
- Sat91°72°0%
- Sun90°70°2%
- Mon92°72°4%
- Tue93°76°13%
- Wed79°73°10%
- Thu73°67°8%
- Fri87°68°9%
- Sat89°72°6%
- Sun89°70°5%
- Mon77°63°3%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Palmdale
Interactive wind and temperature map centered on Palmdale — it loads in your browser. Open the full weather map.
Right now in the garden
Late season
As of September 21, the first frost (around November 19) is about 8 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest peppers, beans, summer squash, and winter squash.
Sun & seasons in Palmdale
Palmdale sits in Los Angeles County, where the year’s longest day runs 14h 28m of daylight and its shortest just 9h 50m — a swing of +4h 38m 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 SSW. The nearest town Palmdale tracks is Lancaster, roughly 8 miles to the NNW.
Air quality in Palmdale
Air quality in Palmdale’s county has trended cleaner since 2020; its cleanest year on record was 2023 (median AQI 67). See the full air-quality history for Palmdale.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes | spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, garlic |
| June | beans, squash | peas, beans, summer squash, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | tomatoes, peppers, summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
In Palmdale, July runs warmest near 82°F and December coldest around 47°F, while February is the wettest month (2.5 inches) and June the driest (0.1 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 47° | 2.1″ |
| February | 50° | 2.5″ |
| March | 53° | 2.1″ |
| April | 60° | 1.0″ |
| May | 68° | 0.3″ |
| June | 75° | 0.1″ |
| July | 82° | 0.3″ |
| August | 81° | 0.5″ |
| September | 76° | 0.3″ |
| October | 67° | 0.3″ |
| November | 55° | 1.0″ |
| December | 47° | 1.8″ |
Regional context
Similar climates Desert View Highlands, CA, Quartz Hill, CA, Lancaster, CA
Palmdale swings from 47°F in January to 82°F in July (34°F) per modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo); precipitation in Palmdale runs about 12.3 inches.
Palmdale's moisture rides winter storm tracks: February brings 2.5 inches, while June sees only 0.1 inches in the dry warm season. That cool-season-wet pattern aligns Palmdale with places like Desert View Highlands, CA, Quartz Hill, CA and Lancaster, CA.
Once Palmdale passes March 10, freezes fade and Palmdale's beds take lettuce, chard, arugula, and mustard greens. Palmdale's heat-lovers — tomatoes, peppers, squash — hold off until Palmdale's frost risk clears, 10-14 days on. Frost returns to Palmdale near November 19, ending the tender-crop season. That date is a median: Palmdale freezes sooner in half of years.
Similar climates: Desert View Highlands, CA, Quartz Hill, CA, Lancaster, CA, Acton, CA, Littlerock, CA.
Frequently asked
- When does it freeze in Palmdale?
- In Palmdale, expect the last spring frost near March 10; Palmdale's first autumn frost comes around November 19.
- What is the rainy season in Palmdale?
- February is the wettest month in Palmdale, about 2.5 inches on average; the year totals roughly 12 inches.
- What is the warmest month in Palmdale?
- July is Palmdale's warmest month, averaging about 82°F.
- What is the coldest month in Palmdale?
- Palmdale bottoms out in December, with a mean near 47°F.
- When can I start a vegetable garden in Palmdale?
- Frost-hardy sowings begin at March 10 in Palmdale; warm-season starts follow two weeks on.
- What hardiness zone is Palmdale?
- Palmdale sits in the USDA zone set by December lows near 47°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Palmdale?
- Palmdale'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 Palmdale?
- See this week's day-by-day rain chances for Palmdale in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Palmdale?
- Current conditions for Palmdale and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Palmdale forecast updated?
- The Palmdale forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Palmdale?
- Today's sunrise and sunset times for Palmdale 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 Palmdale?
- The next few days in Palmdale's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Palmdale sits at 34.6°N; its climate zone is hot-summer Mediterranean (Köppen approximation).
ZIP codes in Palmdale
- 93550
- 93551
- 93552
- 93590
- 93591
- 93599