Weather StoryAlmanac, microseasons, and the day's weather story.

Lomita, California Weather

Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →

Lomita weather forecast — hour by hour, 7-day outlook, NOAA radar

Lomita, CA
Sunday, July 5 at 11:05 AM
78
°
Clear
Feels like
85°
Humidity
60%
Wind
2 mph
Sunrise
10:48 PM
Sunset
1:07 PM
Lomita, CA
Hour by hour · 24h
24-Hour ForecastLomita, CA: 24-hour forecast. Temperatures range from 59 to 80 degrees Fahrenheit.
L 59°H 80°
Lomita, CA
7-day forecast
  1. Today
    Jul 5
    Foggy
    80°62°
  2. Monday
    Jul 6
    Overcast
    80°59°
  3. Tuesday
    Jul 7
    Mostly Clear
    76°61°-4°
  4. Wednesday
    Jul 8
    Clear
    77°68°+1°
  5. Thursday
    Jul 9
    Clear
    79°68°+2°
  6. Friday
    Jul 10
    Overcast
    77°69°-2°
  7. Saturday
    Jul 11
    Overcast
    75°69°-2°
Lomita, CA
Anemometer · 24h winds · from true
NESW
From · True
ESE
120° · veering 145°
Direction
ESE
120°
Sustained
2
mph
Gust
3
mph
Peak 24h
20
avg 6
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 20 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 193SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Lomita, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.8
-0.3 mb in 3h · steady · 29.88 inHg
Now
1011.8
mb
3h
-0.3
mb
12h
-0.1
mb
24h
-1.4
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10111013
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.21010.61011.8
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Lomita, CA
Air quality
30
AQI
Good
-2 in 6h

AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.73 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
9.0μg/m³
PM 10Good
12μg/m³
NO₂Good
3μg/m³
OzoneModerate
64μg/m³
UV IndexVery high
9.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 30 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 44 around 1 PM.

Present
AQI 30
UV peak
11.0 at 1 PM
Sky at peak
clear
Projected peak
AQI 44

PM × Wind × Precip

PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.73 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.73
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Lomita, CA
Sky cover · visibility · 24h
Cloud cover
17%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
56.7mi
UNLIMITED
58 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
18:05 UTC · Lomita, CA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
18:05 UTC · Lomita, CA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Lomita, CA
Satellite · infrared · animated
Lomita, CA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Lomita, CA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:20 AM
Sunrise
10:48 PM
Daylight
14h 19m
Sunset
1:07 PM
Civil dusk
8:37 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Lomita, CA
The moon
Waning Gibbous
70% illuminated
Moonrise
11:09 PM
Moonset
11:12 AM
In sign
♓︎ Pisces
Lomita, CA
Microseason
Jul 1–5

Summer heat deepens across the valleys

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Lomita at a glance

  • Today vs. normal: 78°F — typical for the season
  • Last frost: March 10 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 90717

16-Day Forecast — Lomita

  1. Sun80°62°0%
  2. Mon80°59°0%
  3. Tue76°61°0%
  4. Wed77°68°0%
  5. Thu79°68°0%
  6. Fri77°69°0%
  7. Sat75°69°1%
  8. Sun79°69°2%
  9. Mon78°69°6%
  10. Tue84°71°6%
  11. Wed82°73°2%
  12. Thu82°75°10%
  13. Fri81°73°10%
  14. Sat81°72°7%
  15. Sun83°71°13%
  16. Mon82°72°13%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, 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.

January 1–5: New year in coastal mist.January 6–10: Hills hold the winter cold.January 11–15: Light lengthens over wet earth.January 16–20: The green pulse quickens.January 21–25: Spring green spreads inland.January 26–31: Winter's grip releases.February 1–5: Fog lifts, flowers open.February 6–10: Blooms erupt across chaparral.February 11–15: Winter blooms at their peak.February 16–20: Rivers recede, flowers spread.February 21–25: Earth warms, flowers rush upslope.February 26–28: Spring advances on cool winds.March 1–5: Grass and trees bud and break.March 6–10: Insects wake and feed.March 11–15: Blossoms crown the hillsides.March 16–20: Monarch chrysalis emergence.March 21–25: Light overtakes dark at equinox.March 26–31: California poppy ablaze.April 1–5: Spring rain feeds the seedlings.April 6–10: Warblers flood the understory.April 11–15: Allen's hummingbirds in courtship dives.April 16–20: Coastal fog settles; sun breaks midday.April 21–25: Oak canopies full and green.April 26–30: Chaparral awakens after spring rains.May 1–5: Coastal wildflowers at their peak.May 6–10: Gray whales complete their migration north.May 11–15: Redwood coast in cool shade.May 16–20: Fog and sun in daily rhythm.May 21–25: Summer approaches; hills turn gold.May 26–31: Dry season begins; tule fog in valleys.June 1–5: Coastal fog thickens at dawn.June 6–10: California poppies fade as heat rises.June 11–15: Summer solstice light stretched thin.June 16–20: Bay laurel fragrance sweetens shade.June 21–25: Longest daylight, driest air.June 26–30: Fog banks mask the turning tide.July 1–5: Summer heat deepens across the valleys.July 6–10: Warm winds drive dryness inland.July 11–15: Pacific high settles in firmly.July 16–20: Young hawks take to the thermals.July 21–25: Peak fire season, peak heat.July 26–31: Chaparral poised for ignition.August 1–5: August begins in scorching stillness.August 6–10: Autumn's first cool breath arrives.August 11–15: Cool winds signal the turning year.August 16–20: Evening cicada chorus.August 21–25: Marine layer descent.August 26–31: Monarch staging begins.September 1–5: Fire season intensity.September 6–10: Dew on drying grasses.September 11–15: Raptor passage begins.September 16–20: Equinox descent.September 21–25: Ceanothus blooms again.September 26–30: Insects retreat below.October 1–5: Creeks begin to whisper.October 6–10: Santa Ana wind season.October 11–15: Wildflower anticipation.October 16–20: Chaparral embers glow.October 21–25: First atmospheric river looms.October 26–31: Rains return at last.November 1–5: Coast live oak leaves turn amber.November 6–10: California lilac blooms in winter light.November 11–15: First rain greens the chaparral.November 16–20: Coastal fog thickens as storms approach.November 21–25: Thanksgiving rains swell the valleys.November 26–30: Autumn's last breath yields to winter.December 1–5: December arrives, storms accelerate.December 6–10: Winter solstice season intensifies.December 11–15: Deep winter: rivers at flood stage.December 16–20: Winter salmon runs peak in northern rivers.December 21–25: Winter solstice: the sun turns.December 26–31: Year's end in wind and rain.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coastMay 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Summer heat deepens across the valleys

Inland temperatures exceed 95°F regularly; fire danger reaches moderate to high across most of the region.

Day 186 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January
February
Marchlettuce, peas, spinach, radishes
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, beans, summer squash
Augusttomatoes, beans, summer squash
Septembertomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
Novemberfall brassicas, garlic (overwinter), carrots
December

A year in weather

The year in Lomita tops out in August (~73°F) and dips lowest in January (~54°F), with February wettest at 2.3 inches and August driest at 0.0 inches.

MonthMean tempPrecipRainy days
January54°2.29
February55°2.38
March57°1.89
April61°0.87
May64°0.24
June67°0.02
July72°0.11
August73°0.00
September71°0.01
October67°0.33
November60°1.06
December54°1.77

Regional context

Lomita swings from 54°F in January to 72°F in July (18°F) per NOAA NCEI 1991-2020 normals; precipitation in Lomita runs about 10.6 inches on roughly 57 measurable days.

Lomita's moisture rides winter storm tracks: February brings 2.3 inches over 7.6 wet days, while August sees only 0.0 inches across 0.2 days in the dry warm season. That cool-season-wet pattern aligns Lomita with places like Rolling Hills Estates, CA, West Carson, CA and Rolling Hills, CA.

With a coldest-month mean of 54°F, Lomita stays mostly frost-free and grows year-round. The August peak near 73°F is Lomita's real limit, pushing cool-season vegetables to spring and fall. Lomita's coastal lots stay 4-7°F milder overnight than Lomita's inland parcels.

Similar climates: Rolling Hills Estates, CA, West Carson, CA, Rolling Hills, CA, Torrance, CA, Rancho Palos Verdes, CA.

Frequently asked

When does it freeze in Lomita?
In Lomita, expect the last spring frost near mid-March; Lomita's first autumn frost comes around mid-December.
What is the rainy season in Lomita?
Rainfall in Lomita peaks in February near 2.3 inches, out of about 11 inches annually.
What is the warmest month in Lomita?
August is Lomita's warmest month, averaging about 73°F.
What is the coldest month in Lomita?
Lomita bottoms out in January, with a mean near 54°F.
When can I start a vegetable garden in Lomita?
Time tomatoes in Lomita for two weeks after mid-March; peas and greens start at Lomita's frost line.
How many rainy days does Lomita get?
Expect roughly 57 wet days a year in Lomita.
What hardiness zone is Lomita?
Lomita sits in the USDA zone set by January lows near 54°F; the USDA ZIP tool gives the band.
What is the 10-day forecast for Lomita?
Lomita'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 Lomita?
See this week's day-by-day rain chances for Lomita in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Lomita?
Current conditions for Lomita and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Lomita forecast updated?
The Lomita forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Lomita?
Today's sunrise and sunset times for Lomita 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 Lomita?
The next few days in Lomita's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Lomita, California occupies a hot-summer Mediterranean zone, with January means near 54°F and July around 72°F — a 18°F swing.

In a typical year Lomita records about 11 inches of precipitation on around 57 days.

The 18°F gap between Lomita's summer and winter, at 33.8°N, shapes Lomita's frost calendar.

ZIP codes in Lomita

  • 90717

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.