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Observed 8:55 AM PDT at KSLI

Rossmoor, CA weather

Sunny and 65°18°.

Today: low 59°15° (likely 53°12° to 59°15°), high 76°24° (likely 75°24° to 77°25°).

Mostly agree

Now 65°18°

Sunny

Wind
Calm
Up to 10 mph16 km/h through 9 PM
Dew point
56°13°
A little sticky
UV index
3Moderate
Moderate 10 AM–5 PM · peak 5
Air quality
39Good
Main pollutant: PM2.5 (fine particles)
Pressure
29.92 inHg1013 hPa
Rising slowly · +0.03 inHg+0.9 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • High 75°24° today at 1 PM
  • Below 70°21° tonight after 8 PM
  • Low 59°15° tomorrow at 7 AM
  • Above 70°21° tomorrow by 10 AM
  1. This morningUp to 72°22° by 11 AM · Clear
  2. This afternoonNear 75°24° · Clear
  3. TonightDown to 60°16° by 4 AM · Clear
  4. Tomorrow morningUp to 75°24° by 11 AM · Clear
  5. Tomorrow afternoonNear 78°26° · Partly cloudy
  6. Tomorrow nightDown to 64°18° by 5 AM · Partly cloudy
  7. Monday morningUp to 65°18° by 8 AM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 9aSunny65°18° (likely 60°16° to 65°18°)65°18°0%0 mph0 km/h, gusts 3 mph5 km/h79%2%1
Sat 10aSunny69°21° (likely 66°19° to 71°22°)69°21°0%0 mph0 km/h, gusts 6 mph9 km/h69%3%3
Sat 11aSunny72°22° (likely 70°21° to 73°23°)72°22°0%5 mph8 km/h from SW, gusts 5 mph7 km/h61%2%4
Sat 12pSunny74°23° (likely 72°22° to 75°24°)74°23°0%5 mph8 km/h from SW, gusts 7 mph12 km/h58%0%5
Sat 1pSunny75°24° (likely 74°23° to 76°24°)75°24°0%5 mph8 km/h from SW, gusts 9 mph14 km/h55%0%5
Sat 2pSunny75°24° (likely 75°24° to 77°25°)75°24°0%10 mph16 km/h from SW, gusts 10 mph16 km/h55%0%5
Sat 3pSunny75°24° (likely 75°24° to 77°25°)75°24°0%10 mph16 km/h from SW, gusts 11 mph18 km/h56%0%4
Sat 4pSunny75°24° (likely 75°24° to 77°25°)75°24°0%10 mph16 km/h from SW, gusts 12 mph19 km/h55%1%3
Sat 5pSunny75°24° (likely 73°23° to 76°24°)75°24°0%10 mph16 km/h from SW, gusts 13 mph20 km/h54%1%2
Sat 6pClear73°23° (likely 71°22° to 73°23°)73°23°0%5 mph8 km/h from SW, gusts 11 mph17 km/h60%0%0
Sat 7pClear71°22° (likely 67°19° to 71°22°)71°22°0%5 mph8 km/h from W, gusts 9 mph14 km/h63%0%0
Sat 8pClear69°21° (likely 64°18° to 70°21°)69°21°0%0 mph0 km/h, gusts 8 mph12 km/h67%0%0
Sat 9pClear68°20° (likely 61°16° to 69°21°)68°20°0%0 mph0 km/h, gusts 4 mph7 km/h71%0%0
Sat 10pClear67°19° (likely 59°15° to 68°20°)67°19°0%0 mph0 km/h, gusts 4 mph7 km/h72%0%0
Sat 11pClear66°19° (likely 58°14° to 67°19°)66°19°0%0 mph0 km/h, gusts 5 mph8 km/h75%0%0
Sun 12aClear65°18° (likely 57°14° to 66°19°)65°18°0%5 mph8 km/h from E, gusts 5 mph8 km/h80%0%0
Sun 1aClear64°18° (likely 56°13° to 65°18°)64°18°0%5 mph8 km/h from E, gusts 5 mph8 km/h82%1%0
Sun 2aClear62°17° (likely 56°13° to 63°17°)62°17°0%5 mph8 km/h from E, gusts 5 mph8 km/h86%3%0
Sun 3aClear61°16° (likely 55°13° to 62°17°)61°16°0%5 mph8 km/h from E, gusts 6 mph10 km/h88%3%0
Sun 4aClear60°16° (likely 55°13° to 62°17°)61°16°0%5 mph8 km/h from E, gusts 8 mph12 km/h87%6%0
Sun 5aClear60°16° (likely 54°12° to 61°16°)60°16°0%5 mph8 km/h from E, gusts 8 mph13 km/h87%3%0
Sun 6aClear60°16° (likely 54°12° to 61°16°)60°16°0%5 mph8 km/h from E, gusts 8 mph13 km/h86%1%0
Sun 7aSunny59°15° (likely 53°12° to 60°16°)59°15°0%5 mph8 km/h from NE, gusts 8 mph12 km/h87%0%0
Sun 8aSunny62°17° (likely 55°13° to 62°17°)62°17°0%0 mph0 km/h, gusts 7 mph12 km/h80%0%0
Sun 9aSunny67°19° (likely 62°17° to 67°19°)67°19°0%0 mph0 km/h, gusts 6 mph9 km/h68%1%1
Sun 10aSunny71°22° (likely 69°21° to 72°22°)71°22°0%0 mph0 km/h, gusts 4 mph7 km/h59%4%3
Sun 11aSunny75°24° (likely 72°22° to 75°24°)75°24°0%0 mph0 km/h, gusts 3 mph6 km/h52%35%4
Sun 12pSunny77°25° (likely 75°24° to 78°26°)77°25°0%0 mph0 km/h, gusts 5 mph9 km/h49%40%5
Sun 1pSunny78°26° (likely 76°24° to 79°26°)78°26°0%5 mph8 km/h from SW, gusts 6 mph10 km/h48%40%5
Sun 2pSunny78°26° (likely 77°25° to 80°27°)78°26°0%5 mph8 km/h from SW, gusts 10 mph16 km/h48%40%5
Sun 3pSunny78°26° (likely 77°25° to 80°27°)79°26°0%5 mph8 km/h from SW, gusts 12 mph19 km/h47%40%4
Sun 4pSunny79°26° (likely 76°24° to 79°26°)79°26°0%5 mph8 km/h from SW, gusts 12 mph20 km/h46%40%3
Sun 5pSunny79°26° (likely 75°24° to 79°26°)79°26°0%5 mph8 km/h from SW, gusts 12 mph19 km/h46%40%1
Sun 6pPartly cloudy76°24° (likely 72°22° to 76°24°)77°25°0%0 mph0 km/h, gusts 12 mph19 km/h50%59%0
Sun 7pPartly cloudy76°24° (likely 67°19° to 76°24°)76°24°0%0 mph0 km/h, gusts 10 mph16 km/h52%74%0
Sun 8pCloudy72°22° (likely 64°18° to 72°22°)72°22°0%0 mph0 km/h, gusts 9 mph14 km/h60%80%0
Sun 9pCloudy74°23° (likely 62°17° to 74°23°)74°23°0%0 mph0 km/h, gusts 10 mph16 km/h56%80%0
Sun 10pPartly cloudy74°23° (likely 60°16° to 74°23°)74°23°0%0 mph0 km/h, gusts 10 mph15 km/h57%69%0
Sun 11pCloudy70°21° (likely 58°14° to 70°21°)70°21°0%0 mph0 km/h, gusts 8 mph13 km/h65%75%0
Mon 12aMostly clear72°22° (likely 57°14° to 72°22°)72°22°0%0 mph0 km/h, gusts 4 mph6 km/h60%57%0
Mon 1aMostly clear72°22° (likely 56°13° to 72°22°)72°22°0%0 mph0 km/h, gusts 3 mph5 km/h61%50%0
Mon 2aMostly clear67°19° (likely 55°13° to 67°19°)67°19°0%0 mph0 km/h, gusts 4 mph6 km/h73%53%0
Mon 3aClear71°22° (likely 52°11° to 71°22°)71°22°0%0 mph0 km/h, gusts 3 mph5 km/h60%7%0
Mon 4aMostly clear71°22° (likely 51°11° to 71°22°)71°22°0%0 mph0 km/h, gusts 3 mph5 km/h59%12%0
Mon 5aClear64°18° (likely 50°10° to 64°18°)64°18°0%0 mph0 km/h, gusts 3 mph5 km/h71%12%0
Mon 6aMostly clear61°16° (likely 45°7° to 69°21°)61°16°0%5 mph8 km/h from N, gusts 3 mph5 km/h78%10%0
Mon 7aMostly sunny62°17° (likely 44°7° to 69°21°)62°17°0%5 mph8 km/h from N, gusts 3 mph5 km/h74%10%0
Mon 8aMostly sunny65°18° (likely 46°8° to 70°21°)65°18°0%5 mph8 km/h from N, gusts 3 mph5 km/h66%9%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Sunny. High 76°24°, low 59°15°. Typical 77°25° / 57°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 72°22°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 75°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 69°21°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 60°16°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 76. Southwest wind 0 to 10 mph.

    Tonight: Mostly clear, with a low around 59. Southeast wind 0 to 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    75°24°–77°25°
    Low, likely
    53°12°–59°15°
    Typical high / low
    77°25° / 57°14°
    Wind
    10 mph15 km/h
    UV peak
    5
  2. Tomorrow, Oct 25. Cloudy. High 79°26°, low 61°16°. Typical 77°25° / 57°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 62°17°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 72°22°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 64°18°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 79. Southeast wind 0 to 5 mph.

    Night: Partly cloudy, with a low around 61. Northwest wind around 0 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    77°25°–80°27°
    Low, likely
    53°12°–61°16°
    Typical high / low
    77°25° / 57°14°
    Wind
    9 mph15 km/h, gusts 16 mph26 km/h
    UV peak
    5
  3. Monday, Oct 26. Mostly sunny. High 80°27°, low 60°16°. Typical 76°24° / 57°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 65°18°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 79°26°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 67°20°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 58°15°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 80. Northwest wind 0 to 10 mph.

    Night: Mostly clear, with a low around 60.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    77°25°–81°27°
    Low, likely
    50°10°–60°16°
    Typical high / low
    76°24° / 57°14°
    Wind
    11 mph18 km/h, gusts 18 mph29 km/h
    UV peak
    5
  4. Tuesday, Oct 27. Mostly sunny. High 77°25°, low 59°15°. Typical 76°24° / 57°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 74°24°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 66°19°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 60°16°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 77.

    Night: Partly cloudy, with a low around 59.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    72°22°–77°25°
    Low, likely
    50°10°–64°18°
    Typical high / low
    76°24° / 57°14°
    Wind
    10 mph16 km/h, gusts 16 mph25 km/h
    UV peak
    5
  5. Wednesday, Oct 28. Mostly cloudy. High 76°24°, low 61°16°. Typical 76°24° / 56°13°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 60°15°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 72°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 66°19°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 63°17°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 76.

    Night: Mostly cloudy, with a low around 61.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    71°22°–76°24°
    Low, likely
    56°13°–63°17°
    Typical high / low
    76°24° / 56°13°
    Wind
    8 mph13 km/h, gusts 15 mph24 km/h
    UV peak
    5
  6. Thursday, Oct 29. Cloudy. High 72°22°, low 60°16°. Typical 76°24° / 56°13°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 63°17°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 67°19°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 63°17°

      20% chance · 0.02 in0.6 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers after 5pm. Partly sunny, with a high near 72.

    Night: A chance of rain showers. Mostly cloudy, with a low around 60.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    70°21°–72°22°
    Low, likely
    59°15°–65°18°
    Typical high / low
    76°24° / 56°13°
    Wind
    9 mph14 km/h, gusts 19 mph30 km/h
    UV peak
    4
  7. Friday, Oct 30. Showers. High 70°21°, low 58°14°. Typical 76°24° / 56°13°. Rain 0.05 in1.3 mm, 30% chance. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 63°17°

      Dry

    2. Afternoon

      noon–6 PM

      Drizzle, 69°21°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 65°18°

      20% chance

    4. Overnight

      midnight–6 AM

      Drizzle, 61°16°

      30% chance · 0.02 in0.6 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers. Partly sunny, with a high near 70.

    Night: A chance of rain showers. Mostly cloudy, with a low around 58.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    68°20°–70°21°
    Low, likely
    58°14°–65°18°
    Typical high / low
    76°24° / 56°13°
    Wind
    10 mph17 km/h
    UV peak
    3
  8. Saturday, Oct 31. Drizzle. High 69°21°, low 60°16°. Typical 76°24° / 56°13°. Rain 0.08 in2 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 61°16°

      30% chance · 0.01 in0.3 mm

    2. Afternoon

      noon–6 PM

      Cloudy, 69°21°

      30% chance

    3. Evening

      6 PM–midnight

      Clear, 65°18°

      30% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 59°15°

      40% chance

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    68°20°–72°22°
    Low, likely
    56°13°–64°18°
    Typical high / low
    76°24° / 56°13°
    Wind
    8 mph13 km/h, gusts 19 mph31 km/h
    UV peak
    4
  9. Sunday, Nov 1. Cloudy. High 74°23°, low 57°14°. Typical 76°24° / 56°13°. Rain 0.07 in1.8 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 60°15°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 75°24°

      30% chance · 0.02 in0.5 mm

    3. Evening

      6 PM–midnight

      Cloudy, 67°20°

      30% chance

    4. Overnight

      midnight–6 AM

      Clear, 58°15°

      30% chance · 0.12 in2.9 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    68°20°–80°27°
    Low, likely
    50°10°–65°18°
    Typical high / low
    76°24° / 56°13°
    Wind
    9 mph15 km/h, gusts 20 mph32 km/h
    UV peak
    4
  10. Monday, Nov 2. Showers. High 70°21°, low 58°14°. Typical 76°24° / 55°13°. Rain 0.54 in14 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 62°16°

      30% chance · 0.31 in7.8 mm

    2. Afternoon

      noon–6 PM

      Showers, 71°22°

      20% chance · 0.06 in1.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 63°17°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    64°18°–75°24°
    Low, likely
    55°13°–63°17°
    Typical high / low
    76°24° / 55°13°
    Wind
    17 mph27 km/h, gusts 24 mph39 km/h
    UV peak
    1

The outlook

  1. Today

    Dry, high 76°, low 59°.

  2. Tomorrow

    Dry, high 79°, low 61°, warming up.

  3. Monday

    Dry, high 80°, low 60°.

  4. Rest of week

    Mostly dry, highs 69–77°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SGX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Los Angeles River below Wardlow Road

7.5 mi
Level
0.4 ft

Reading from Sat 8 AM · NWS gauge page

Santa Ana River at Santa Ana

10 mi
Below flood stage
Level
1.9 ft
Flow
37 cfs

Reading from Sat 8:45 AM · NWS gauge page

Compton Creek at Greenleaf

11 mi
Level
14.7 ft

Reading from Sat 8:30 AM · NWS gauge page

Los Angeles River at Firestone

12 mi
Below flood stage
Level
2.0 ft

Reading from Sat 8:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Cooling this week

About 13% more cooling than a typical week.

This week 11Typical 10

Cooling degree days, base 65°F

Comfort

Comfortable, non-humid air (dew point 56°F).

Open the windows?

Today, 10:00 AM–6:00 AM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Long Beach Daugherty Airport · official normals 1991–2020 · records 1958–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Normal high / low
77°25° / 57°14°
Forecast high / low
76°24° / 59°15°
Record high
105°41° in 2017
Record low
47°8° in 1968

Last 7 days vs normal

On average 3°1° warmer than normal (daily mean temperature).

  1. +6°+3°SunOct 18
  2. +6°+3°MonOct 19
  3. +4°+2°TueOct 20
  4. +3°+1°WedOct 21
  5. −1°ThuOct 22
  6. −1°FriOct 23
  7. —SatOct 24

Rossmoor weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:04 AM, sunset 6:07 PM.

Daylight
11 h 3 min
Losing 1 min 53 s a day; shortest Dec 21, 1 h 9 min less
Golden hour
5:33–6:23 PM
Morning 6:49–7:39 AM
Blue hour
6:23–6:33 PM
Morning 6:39–6:49 AM; first light 6:39 AM

Stars tonight? Fair

Clear 6:33 PM–6:40 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:27 AM · rises 5:06 PM
Full moon
Oct 25
New moon
Nov 8
Looking northeast from Rossmoor. The highest point on the skyline is about 11,400 ft, 76 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.