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Observed 4:30 AM PDT at KSNA

Tustin, CA weather

Clear and 59°15°.

Today: low 57°14° (likely 54°12° to 60°16°), high 79°26° (likely 75°24° to 80°27°).

Mostly agree

Now 59°15°

Clear

Wind
Calm
Up to 10 mph16 km/h through 4 PM
Dew point
55°13°
A little sticky
UV index
0Low
Moderate 11 AM–4 PM · peak 5
Air today
44Good
EPA forecast · PM2.5 (fine particles)
Pressure
29.91 inHg1013 hPa
Rising slowly · +0.02 inHg+0.6 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Low 57°14° today at 7 AM
  • Above 70°21° today by 11 AM
  • High 78°26° today at 2 PM
  • Below 70°21° tonight after 8 PM
  1. TonightNear 58°14° · Clear
  2. This morningUp to 73°23° by 11 AM · Clear
  3. This afternoonNear 77°25° · Clear
  4. TonightDown to 59°15° by 5 AM · Clear
  5. Tomorrow morningUp to 75°24° by 11 AM · Clear
  6. Tomorrow afternoonNear 79°26° · Partly cloudy
  7. Tomorrow nightDown to 66°19° by 2 AM · Partly cloudy
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 4aClear58°14° (likely 55°13° to 60°16°)58°14°0%0 mph0 km/h, gusts 3 mph5 km/h95%9%0
Sat 5aClear58°14° (likely 54°12° to 60°16°)58°14°0%0 mph0 km/h, gusts 4 mph7 km/h96%10%0
Sat 6aClear58°14° (likely 54°12° to 60°16°)58°14°0%0 mph0 km/h, gusts 4 mph7 km/h94%9%0
Sat 7aSunny57°14° (likely 54°12° to 60°16°)57°14°0%0 mph0 km/h, gusts 5 mph9 km/h95%9%0
Sat 8aSunny59°15° (likely 55°13° to 61°16°)59°15°0%0 mph0 km/h, gusts 5 mph8 km/h93%9%0
Sat 9aSunny65°18° (likely 62°17° to 66°19°)65°18°0%0 mph0 km/h, gusts 3 mph5 km/h81%0%1
Sat 10aSunny69°21° (likely 67°19° to 69°21°)69°21°0%0 mph0 km/h, gusts 4 mph6 km/h70%0%2
Sat 11aSunny73°23° (likely 70°21° to 73°23°)73°23°0%0 mph0 km/h, gusts 8 mph13 km/h60%0%4
Sat 12pSunny76°24° (likely 72°22° to 77°25°)76°24°0%0 mph0 km/h, gusts 9 mph14 km/h55%0%5
Sat 1pSunny77°25° (likely 74°23° to 80°27°)77°25°0%5 mph8 km/h from W, gusts 8 mph12 km/h51%1%5
Sat 2pSunny78°26° (likely 75°24° to 80°27°)78°26°0%5 mph8 km/h from W, gusts 9 mph14 km/h50%1%5
Sat 3pSunny78°26° (likely 74°23° to 80°27°)79°26°0%10 mph16 km/h from W, gusts 11 mph17 km/h50%1%3
Sat 4pSunny78°26° (likely 73°23° to 78°26°)78°26°0%10 mph16 km/h from W, gusts 10 mph17 km/h50%0%2
Sat 5pSunny77°25° (likely 71°22° to 77°25°)77°25°0%5 mph8 km/h from SW, gusts 10 mph16 km/h52%0%2
Sat 6pClear74°23° (likely 68°20° to 74°23°)74°23°0%5 mph8 km/h from SW, gusts 8 mph12 km/h58%0%0
Sat 7pClear70°21° (likely 65°18° to 70°21°)70°21°0%5 mph8 km/h from S, gusts 5 mph8 km/h66%0%0
Sat 8pClear68°20° (likely 63°17° to 68°20°)68°20°0%0 mph0 km/h, gusts 5 mph8 km/h73%0%0
Sat 9pClear67°19° (likely 61°16° to 67°19°)67°19°0%5 mph8 km/h from SE, gusts 6 mph10 km/h76%0%0
Sat 10pClear66°19° (likely 61°16° to 66°19°)66°19°0%5 mph8 km/h from SE, gusts 6 mph10 km/h78%0%0
Sat 11pClear65°18° (likely 61°16° to 65°18°)65°18°0%0 mph0 km/h, gusts 6 mph10 km/h77%0%0
Sun 12aClear64°18° (likely 59°15° to 64°18°)64°18°0%0 mph0 km/h, gusts 7 mph11 km/h79%0%0
Sun 1aClear63°17° (likely 58°14° to 63°17°)63°17°0%5 mph8 km/h from SE, gusts 7 mph11 km/h79%0%0
Sun 2aClear62°17° (likely 58°14° to 62°17°)62°17°0%5 mph8 km/h from E, gusts 7 mph11 km/h82%0%0
Sun 3aClear60°16° (likely 57°14° to 61°16°)61°16°0%5 mph8 km/h from E, gusts 7 mph11 km/h84%0%0
Sun 4aClear60°16° (likely 57°14° to 60°16°)60°16°0%0 mph0 km/h, gusts 6 mph10 km/h85%0%0
Sun 5aClear59°15° (likely 56°13° to 60°16°)59°15°0%0 mph0 km/h, gusts 5 mph8 km/h85%0%0
Sun 6aClear59°15° (likely 56°13° to 60°16°)59°15°0%0 mph0 km/h, gusts 4 mph6 km/h82%0%0
Sun 7aSunny59°15° (likely 56°13° to 60°16°)59°15°0%0 mph0 km/h, gusts 5 mph7 km/h84%0%0
Sun 8aSunny61°16° (likely 58°14° to 62°17°)61°16°0%0 mph0 km/h, gusts 6 mph10 km/h81%0%0
Sun 9aSunny67°19° (likely 65°18° to 68°20°)67°19°0%0 mph0 km/h, gusts 6 mph10 km/h67%1%1
Sun 10aSunny71°22° (likely 70°21° to 73°23°)71°22°0%0 mph0 km/h, gusts 3 mph6 km/h60%2%3
Sun 11aSunny75°24° (likely 73°23° to 75°24°)75°24°0%0 mph0 km/h, gusts 4 mph6 km/h53%1%4
Sun 12pSunny78°26° (likely 75°24° to 78°26°)78°26°0%0 mph0 km/h, gusts 5 mph7 km/h48%0%5
Sun 1pSunny79°26° (likely 76°24° to 80°27°)80°27°0%0 mph0 km/h, gusts 6 mph10 km/h45%0%5
Sun 2pSunny80°27° (likely 76°24° to 81°27°)80°27°0%5 mph8 km/h from SW, gusts 9 mph15 km/h44%40%5
Sun 3pSunny81°27° (likely 76°24° to 81°27°)81°27°0%5 mph8 km/h from SW, gusts 10 mph16 km/h43%40%4
Sun 4pSunny80°27° (likely 75°24° to 80°27°)80°27°0%5 mph8 km/h from SW, gusts 10 mph17 km/h44%42%3
Sun 5pSunny80°27° (likely 74°23° to 80°27°)80°27°0%5 mph8 km/h from SW, gusts 10 mph16 km/h46%43%1
Sun 6pClear77°25° (likely 71°22° to 77°25°)77°25°0%0 mph0 km/h, gusts 8 mph12 km/h51%42%0
Sun 7pMostly clear76°24° (likely 66°19° to 76°24°)76°24°0%0 mph0 km/h, gusts 3 mph5 km/h54%47%0
Sun 8pMostly clear72°22° (likely 64°18° to 72°22°)72°22°0%0 mph0 km/h, gusts 2 mph4 km/h62%57%0
Sun 9pMostly clear75°24° (likely 62°17° to 75°24°)75°24°0%0 mph0 km/h, gusts 3 mph5 km/h56%59%0
Sun 10pMostly clear74°23° (likely 61°16° to 74°23°)74°23°0%0 mph0 km/h, gusts 3 mph5 km/h55%68%0
Sun 11pMostly clear69°21° (likely 59°15° to 69°21°)69°21°0%0 mph0 km/h, gusts 4 mph6 km/h64%58%0
Mon 12aMostly clear73°23° (likely 56°13° to 73°23°)73°23°0%0 mph0 km/h, gusts 4 mph7 km/h55%65%0
Mon 1aMostly clear72°22° (likely 56°13° to 72°22°)72°22°0%0 mph0 km/h, gusts 4 mph7 km/h55%12%0
Mon 2aClear66°19° (likely 55°13° to 69°21°)66°19°0%0 mph0 km/h, gusts 4 mph7 km/h65%4%0
Mon 3aClear72°22° (likely 55°13° to 72°22°)72°22°0%0 mph0 km/h, gusts 4 mph7 km/h53%3%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Sunny. High 79°26°, low 57°14°. Typical 78°26° / 58°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 78°26°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 68°20°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 59°15°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 79. Southwest wind 0 to 10 mph.

    Tonight: Clear, with a low around 57. East wind around 0 mph.

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

    High, likely
    75°24°–80°27°
    Low, likely
    54°12°–60°16°
    Typical high / low
    78°26° / 58°14°
    Wind
    9 mph14 km/h
    UV peak
    6
  2. Tomorrow, Oct 25. Cloudy. High 81°27°, low 61°16°. Typical 78°26° / 58°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 61°16°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 81°27°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 72°22°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 60°16°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 81. South wind 0 to 5 mph.

    Night: Mostly clear, with a low around 61. South wind around 0 mph.

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

    High, likely
    76°24°–81°27°
    Low, likely
    56°13°–61°16°
    Typical high / low
    78°26° / 58°14°
    Wind
    8 mph13 km/h, gusts 15 mph24 km/h
    UV peak
    5
  3. Monday, Oct 26. Mostly sunny. High 82°28°, low 58°14°. Typical 78°26° / 58°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 62°16°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 80°27°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 67°19°

      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 82.

    Night: Mostly clear, with a low around 58.

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

    High, likely
    77°25°–82°28°
    Low, likely
    54°12°–65°18°
    Typical high / low
    78°26° / 58°14°
    Wind
    10 mph16 km/h, gusts 15 mph25 km/h
    UV peak
    5
  4. Tuesday, Oct 27. Mostly sunny. High 81°27°, low 58°14°. Typical 78°26° / 57°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 77°25°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 65°18°

      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 81.

    Night: Partly cloudy, with a low around 58.

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

    High, likely
    74°23°–81°27°
    Low, likely
    52°11°–63°17°
    Typical high / low
    78°26° / 57°14°
    Wind
    10 mph16 km/h
    UV peak
    5
  5. Wednesday, Oct 28. Mostly cloudy. High 79°26°, low 59°15°. Typical 78°26° / 57°14°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 76°24°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 64°18°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 60°16°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 79.

    Night: Mostly cloudy, with a low around 59.

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

    High, likely
    72°22°–79°26°
    Low, likely
    54°12°–62°17°
    Typical high / low
    78°26° / 57°14°
    Wind
    8 mph13 km/h, gusts 13 mph21 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly cloudy. High 75°24°, low 59°15°. Typical 78°26° / 57°14°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 61°16°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 65°18°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 61°16°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 75.

    Night: A chance of rain showers after 11pm. Mostly cloudy, with a low around 59.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    70°21°–75°24°
    Low, likely
    57°14°–63°17°
    Typical high / low
    78°26° / 57°14°
    Wind
    8 mph13 km/h, gusts 18 mph29 km/h
    UV peak
    4
  7. Friday, Oct 30. Showers. High 73°23°, low 60°16°. Typical 78°26° / 57°14°. Rain 0.08 in2 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 61°16°

      30% chance · 0.02 in0.4 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 69°20°

      30% chance · 0.02 in0.4 mm

    3. Evening

      6 PM–midnight

      Cloudy, 64°18°

      20% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 60°16°

      20% chance · 0.05 in1.1 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 73.

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

    High, likely
    68°20°–73°23°
    Low, likely
    57°14°–63°17°
    Typical high / low
    78°26° / 57°14°
    Wind
    11 mph17 km/h
    UV peak
    3
  8. Saturday, Oct 31. Cloudy. High 69°21°, low 58°14°. Typical 78°26° / 56°13°. Rain 0.09 in2.3 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 61°16°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 70°21°

      30% chance

    3. Evening

      6 PM–midnight

      Cloudy, 62°17°

      40% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 57°14°

      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.

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

    High, likely
    66°19°–74°23°
    Low, likely
    55°13°–63°17°
    Typical high / low
    78°26° / 56°13°
    Wind
    8 mph13 km/h, gusts 19 mph30 km/h
    UV peak
    4
  9. Sunday, Nov 1. Cloudy. High 73°23°, low 56°13°. Typical 77°25° / 56°13°. Rain 0.07 in1.8 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 59°15°

      40% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 74°24°

      30% chance

    3. Evening

      6 PM–midnight

      Clear, 66°19°

      30% chance

    4. Overnight

      midnight–6 AM

      Clear, 58°14°

      30% chance · 0.11 in2.8 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
    66°19°–82°28°
    Low, likely
    51°11°–63°17°
    Typical high / low
    77°25° / 56°13°
    Wind
    10 mph16 km/h, gusts 23 mph37 km/h
    UV peak
    4
  10. Monday, Nov 2. Showers. High 70°21°, low 55°13°. Typical 77°25° / 56°13°. Rain 0.8 in20 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Rain, 62°17°

      30% chance · 0.49 in12 mm

    2. Afternoon

      noon–6 PM

      Showers, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Drizzle, 61°16°

      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
    63°17°–75°24°
    Low, likely
    50°10°–63°17°
    Typical high / low
    77°25° / 56°13°
    Wind
    10 mph16 km/h, gusts 15 mph25 km/h

The outlook

  1. Today

    Dry, high 79°, low 57°.

  2. Tomorrow

    Dry, high 81°, low 61°.

  3. Monday

    Dry, high 82°, low 58°.

  4. Rest of week

    Mostly dry, highs 69–81°.

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

Santa Ana River at Santa Ana

5.8 mi
Below flood stage
Level
2.7 ft
Flow
178 cfs

Reading from Sat 3:45 AM · NWS gauge page

Temescal Creek near Corona

18 mi
Level
2.2 ft

Reading from Sat 3:15 AM · NWS gauge page

Los Angeles River below Wardlow Road

24 mi
Level
0.4 ft

Reading from Sat 3 AM · NWS gauge page

Walnut Creek

24 mi
Level
0.1 ft

Reading from Sat 3:30 AM · NWS gauge page

For your home

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

Cooling this week

About 37% less cooling than a typical week.

This week 12Typical 19

Cooling degree days, base 65°F

Comfort

Comfortable, non-humid air (dew point 55°F).

Open the windows?

Today, 9:00 AM–4:00 AM

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

Is this typical?

SANTA ANA FIRE STATION · official normals 1991–2020 · records 1916–2026

Oct 24, today vs a typical year

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

Normal high / low
78°26° / 58°14°
Forecast high / low
79°26° / 57°14°
Record high
104°40° in 2017
Record low
36°2° in 1949

Last 7 days vs normal

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

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

Sun & moon

Sun

Sunrise 7:03 AM, sunset 6:06 PM.

Daylight
11 h 3 min
Losing 1 min 57 s a day; shortest Dec 21, 1 h 8 min less
Golden hour
5:32–6:22 PM
Morning 6:48–7:37 AM
Blue hour
6:22–6:32 PM
Morning 6:38–6:48 AM; first light 6:38 AM

Stars tonight? Fair

Clear 4:51–6:38 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today
sets 5:26 AM · rises 5:05 PM
Full moon
Oct 25
New moon
Nov 8
Looking northeast from Tustin. The highest point on the skyline is about 10,700 ft, 37 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.