Palmdale, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Palmdale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——95°68°—
- FridayJun 5Clear——93°69°-2°
- SaturdayJun 6Overcast——85°64°-8°
- SundayJun 7Clear——86°60°+1°
- MondayJun 8Clear——85°61°-1°
- TuesdayJun 9Mostly Clear——81°61°-4°
- WednesdayJun 10Clear——78°60°-3°
PM2.5/PM10 ratio 0.68 with 7 mph wind — characteristic of long-range haze transport rather than a local source. AQI down 54 over the last 6 hours — air quality is improving sharply.
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 37 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 16 by mid-afternoon.
- Present
- AQI 37
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5/PM10 ratio 0.68 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.68
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:07 AM
- Moonset
- 4:14 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
Palmdale at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: March 15 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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.
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
July brings Palmdale's peak heat with average temperatures around 83°F, while December delivers the coldest conditions at roughly 46°F. February sees the most rainfall at 1.8 inches, while June typically remains bone dry at 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 47° | 1.4″ | 3 |
| February | 50° | 1.8″ | 3 |
| March | 55° | 1.1″ | 3 |
| April | 61° | 0.4″ | 1 |
| May | 68° | 0.1″ | 0 |
| June | 76° | 0.0″ | 0 |
| July | 83° | 0.2″ | 0 |
| August | 82° | 0.0″ | 0 |
| September | 76° | 0.1″ | 0 |
| October | 66° | 0.4″ | 1 |
| November | 54° | 0.4″ | 1 |
| December | 46° | 1.3″ | 2 |
Regional context
Palmdale falls within the hot-summer Mediterranean climate region, sharing temperature ranges, seasonal rhythms, and growing conditions with other cities in this climate zone.
Similar climates: Los Angeles, CA, San Francisco, CA, San Diego, CA, Riverside, CA, Sacramento, CA.
Naturalist notes
Late May brings the peak blooming period for California poppies across the Antelope Valley.
Red-winged blackbirds establish territories in nearby wetlands during March as winter cold releases its grip.
Frequently asked
- When does it freeze in Palmdale?
- Spring's final frost in Palmdale typically occurs around mid-March, while the season's first frost returns around mid-December.
- What is the rainy season in Palmdale?
- February stands as the wettest month with approximately 1.8 inches of rain on average; annual totals reach roughly 7 inches.
- What is the warmest month in Palmdale?
- July typically brings the year's highest temperatures, averaging about 83°F.
- What is the coldest month in Palmdale?
- December usually delivers the coldest weather, averaging about 46°F.
- When can I start a vegetable garden in Palmdale?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-March; warm-season crops such as tomatoes and peppers should wait another 1–2 weeks.
- How many rainy days does Palmdale get?
- Palmdale sees rain on about 15 days per year on average.
- What hardiness zone is Palmdale?
- Palmdale's USDA hardiness zone depends on its lowest average winter temperature; the USDA's online lookup tool using the city ZIP code provides the current zone designation.
Climate
Palmdale, California experiences a hot-summer Mediterranean climate zone. Winter temperatures in January hover near 47°F while summer heat in July averages 83°F — creating a 35°F seasonal swing.
Annual precipitation totals about 7 inches across roughly 15 rainy days throughout the year.
Location at 34.6°N latitude, distance from large water bodies, and elevation combine to determine what grows here, when frost threatens, and how weather patterns unfold each day.