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Observed 1:55 PM PDT at KONT

San Antonio Heights, CA weather

Sunny and 75°24°, 14°8° colder than a typical Oct 24.

Today: low 56°13° (likely 46°8° to 56°13°), high 69°21° (likely 66°19° to 71°22°).

Mostly agree

Now 75°24°

Sunny

Wind
3 mph5 km/h
From the west. 35–5 mph8 km/h through 2 AM
Dew point
46°8°
Comfortable
UV index
5Moderate
Was high 1–2 PM · peak 6
Air today
46Good
EPA forecast · Ozone
Pressure
29.94 inHg1014 hPa
Falling slowly · −0.02 inHg−0.8 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • High 69°21° today at 5 PM
  • Low 56°13° tonight at 1 AM
  1. This afternoonNear 68°20° · Clear
  2. TonightDown to 56°13° by 1 AM · Clear
  3. Tomorrow morningUp to 65°18° by 11 AM · Clear
  4. Tomorrow afternoonNear 69°21° · Partly cloudy
  5. Tomorrow nightDown to 58°14° by 3 AM · Partly cloudy
  6. Monday morningUp to 67°19° by 11 AM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 2pSunny67°19° (likely 66°19° to 70°21°)67°19°0%5 mph8 km/h from SW, gusts 7 mph11 km/h49%0%5
Sat 3pSunny68°20° (likely 66°19° to 70°21°)68°20°0%5 mph8 km/h from SW, gusts 8 mph13 km/h49%0%4
Sat 4pSunny68°20° (likely 65°18° to 70°21°)68°20°0%5 mph8 km/h from SW, gusts 8 mph13 km/h49%0%3
Sat 5pSunny69°21° (likely 63°17° to 69°21°)69°21°0%5 mph8 km/h from W, gusts 8 mph14 km/h50%0%2
Sat 6pClear66°19° (likely 59°15° to 66°19°)66°19°0%5 mph8 km/h from W, gusts 8 mph13 km/h56%0%0
Sat 7pClear63°17° (likely 55°13° to 63°17°)63°17°0%5 mph8 km/h from NW, gusts 10 mph15 km/h59%0%0
Sat 8pClear61°16° (likely 53°12° to 62°17°)61°16°0%5 mph8 km/h from NW, gusts 8 mph13 km/h59%0%0
Sat 9pClear58°14° (likely 52°11° to 61°16°)58°14°0%5 mph8 km/h from NW, gusts 9 mph14 km/h62%0%0
Sat 10pClear58°14° (likely 52°11° to 61°16°)58°14°0%5 mph8 km/h from NW, gusts 5 mph8 km/h60%0%0
Sat 11pClear58°14° (likely 52°11° to 59°15°)58°14°0%5 mph8 km/h from NE, gusts 8 mph13 km/h61%0%0
Sun 12aClear57°14° (likely 52°11° to 59°15°)57°14°0%5 mph8 km/h from NE, gusts 8 mph12 km/h59%0%0
Sun 1aClear56°13° (likely 51°11° to 59°15°)56°13°0%5 mph8 km/h from NE, gusts 8 mph12 km/h60%0%0
Sun 2aClear57°14° (likely 51°11° to 59°15°)57°14°0%5 mph8 km/h from N, gusts 8 mph13 km/h60%0%0
Sun 3aClear56°13° (likely 51°11° to 59°15°)56°13°0%0 mph0 km/h, gusts 8 mph12 km/h60%0%0
Sun 4aClear56°13° (likely 51°11° to 59°15°)56°13°0%0 mph0 km/h, gusts 7 mph11 km/h59%0%0
Sun 5aClear56°13° (likely 51°11° to 59°15°)56°13°0%5 mph8 km/h from N, gusts 5 mph9 km/h59%0%0
Sun 6aClear56°13° (likely 51°11° to 59°15°)56°13°0%0 mph0 km/h, gusts 5 mph8 km/h58%0%0
Sun 7aSunny56°13° (likely 52°11° to 59°15°)56°13°0%0 mph0 km/h, gusts 6 mph9 km/h58%0%0
Sun 8aSunny57°14° (likely 54°12° to 61°16°)57°14°0%0 mph0 km/h, gusts 5 mph8 km/h60%0%0
Sun 9aSunny60°16° (likely 60°16° to 66°19°)60°16°0%0 mph0 km/h, gusts 3 mph5 km/h60%0%1
Sun 10aSunny62°17° (likely 62°17° to 69°21°)62°17°0%0 mph0 km/h, gusts 5 mph8 km/h56%0%3
Sun 11aSunny65°18° (likely 65°18° to 70°21°)65°18°0%5 mph8 km/h from S, gusts 5 mph9 km/h50%0%4
Sun 12pSunny67°19° (likely 67°19° to 72°22°)67°19°0%5 mph8 km/h from S, gusts 6 mph9 km/h49%0%5
Sun 1pSunny68°20° (likely 68°20° to 72°22°)68°20°0%5 mph8 km/h from SW, gusts 6 mph10 km/h46%0%5
Sun 2pSunny69°21° (likely 69°21° to 73°23°)69°21°0%5 mph8 km/h from SW, gusts 7 mph11 km/h45%32%5
Sun 3pSunny70°21° (likely 68°20° to 74°23°)70°21°0%5 mph8 km/h from SW, gusts 8 mph12 km/h43%40%4
Sun 4pSunny70°21° (likely 67°19° to 74°23°)70°21°0%5 mph8 km/h from W, gusts 8 mph13 km/h44%40%3
Sun 5pSunny70°21° (likely 65°18° to 73°23°)70°21°0%5 mph8 km/h from W, gusts 9 mph14 km/h46%40%1
Sun 6pClear68°20° (likely 61°16° to 68°20°)68°20°0%5 mph8 km/h from W, gusts 11 mph18 km/h52%41%0
Sun 7pClear63°17° (likely 58°14° to 65°18°)63°17°0%5 mph8 km/h from NW, gusts 10 mph15 km/h60%42%0
Sun 8pCloudy61°16° (likely 56°13° to 64°18°)61°16°0%5 mph8 km/h from NW, gusts 8 mph13 km/h61%65%0
Sun 9pPartly cloudy61°16° (likely 56°13° to 63°17°)61°16°0%5 mph8 km/h from NW, gusts 6 mph10 km/h61%71%0
Sun 10pCloudy60°16° (likely 56°13° to 63°17°)61°16°0%0 mph0 km/h, gusts 5 mph9 km/h60%79%0
Sun 11pCloudy60°16° (likely 56°13° to 62°17°)60°16°0%5 mph8 km/h from N, gusts 5 mph7 km/h60%79%0
Mon 12aPartly cloudy59°15° (likely 56°13° to 62°17°)59°15°0%5 mph8 km/h from N, gusts 6 mph9 km/h60%71%0
Mon 1aPartly cloudy59°15° (likely 56°13° to 62°17°)59°15°0%5 mph8 km/h from N, gusts 8 mph12 km/h60%48%0
Mon 2aPartly cloudy59°15° (likely 56°13° to 62°17°)59°15°0%5 mph8 km/h from N, gusts 7 mph11 km/h61%46%0
Mon 3aClear58°14° (likely 55°13° to 61°16°)59°15°0%5 mph8 km/h from N, gusts 6 mph10 km/h61%11%0
Mon 4aClear58°14° (likely 54°12° to 61°16°)58°14°0%5 mph8 km/h from N, gusts 7 mph11 km/h60%2%0
Mon 5aMostly clear58°14° (likely 54°12° to 60°16°)58°14°0%5 mph8 km/h from N, gusts 7 mph11 km/h59%24%0
Mon 6aMostly clear58°14° (likely 57°14° to 60°16°)58°14°0%5 mph8 km/h from N, gusts 7 mph11 km/h58%21%0
Mon 7aSunny58°14° (likely 58°14° to 60°16°)58°14°0%5 mph8 km/h from N, gusts 6 mph10 km/h59%0%0
Mon 8aSunny59°15° (likely 59°15° to 61°16°)59°15°0%5 mph8 km/h from N, gusts 7 mph11 km/h60%0%0
Mon 9aSunny61°16° (likely 61°16° to 67°19°)61°16°0%0 mph0 km/h, gusts 5 mph8 km/h56%0%1
Mon 10aSunny64°18° (likely 64°18° to 70°21°)64°18°0%0 mph0 km/h, gusts 4 mph7 km/h50%0%3
Mon 11aSunny67°19° (likely 67°19° to 72°22°)67°19°0%5 mph8 km/h from SW, gusts 5 mph9 km/h45%0%4
Mon 12pSunny69°21° (likely 69°21° to 73°23°)69°21°0%5 mph8 km/h from SW, gusts 7 mph12 km/h41%0%5
Mon 1pSunny70°21° (likely 70°21° to 73°23°)70°21°0%5 mph8 km/h from SW, gusts 8 mph14 km/h39%0%5

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Sunny. High 69°21°, low 56°13°. Typical 83°28° / 51°11°. Dry. Mostly agree. Best day outdoors this week.
    1. Afternoon

      noon–6 PM

      Sunny, 69°21°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 56°13°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 69. Southwest wind around 5 mph.

    Tonight: Clear, with a low around 56. North wind 0 to 5 mph.

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

    Best day outdoors this week: the one dry, mild day the forecasts agree on (high 69°21°).

    High, likely
    66°19°–71°22°
    Low, likely
    46°8°–56°13°
    Typical high / low
    83°28° / 51°11°
    Wind
    10 mph16 km/h, gusts 25 mph40 km/h
    UV peak
    6
  2. Tomorrow, Oct 25. Cloudy. High 71°22°, low 58°14°. Typical 83°28° / 51°11°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 58°14°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 71. West wind 0 to 5 mph.

    Night: Partly cloudy, with a low around 58. Northwest wind 0 to 5 mph.

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

    High, likely
    69°21°–74°23°
    Low, likely
    51°11°–59°15°
    Typical high / low
    83°28° / 51°11°
    Wind
    9 mph14 km/h, gusts 16 mph26 km/h
    UV peak
    5
  3. Monday, Oct 26. Mostly sunny. High 72°22°, low 56°13°. Typical 83°28° / 51°11°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 73°23°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 58°14°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 72. West wind 0 to 10 mph.

    Night: Clear, with a low around 56.

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

    High, likely
    69°21°–73°23°
    Low, likely
    53°12°–60°16°
    Typical high / low
    83°28° / 51°11°
    Wind
    9 mph14 km/h, gusts 17 mph27 km/h
    UV peak
    5
  4. Tuesday, Oct 27. Mostly sunny. High 71°22°, low 55°13°. Typical 82°28° / 50°10°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 59°15°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 71°22°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 56°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 71.

    Night: Partly cloudy, with a low around 55.

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

    High, likely
    66°19°–73°23°
    Low, likely
    53°12°–58°14°
    Typical high / low
    82°28° / 50°10°
    Wind
    7 mph10 km/h, gusts 15 mph25 km/h
    UV peak
    5
  5. Wednesday, Oct 28. Cloudy. High 69°21°, low 55°13°. Typical 82°28° / 50°10°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 60°15°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 56°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 69.

    Night: Mostly cloudy, with a low around 55.

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

    High, likely
    66°19°–72°22°
    Low, likely
    52°11°–58°14°
    Typical high / low
    82°28° / 50°10°
    Wind
    6 mph10 km/h, gusts 16 mph25 km/h
    UV peak
    5
  6. Thursday, Oct 29. Cloudy. High 66°19°, low 54°12°. Typical 82°28° / 50°10°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 67°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 57°14°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 66.

    Night: A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 54.

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

    High, likely
    62°17°–68°20°
    Low, likely
    51°11°–58°14°
    Typical high / low
    82°28° / 50°10°
    Wind
    9 mph14 km/h, gusts 16 mph26 km/h
    UV peak
    5
  7. Friday, Oct 30. Showers. High 62°17°, low 52°11°. Typical 82°28° / 50°10°. Rain 0.09 in2.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      20% chance

    2. Afternoon

      noon–6 PM

      Drizzle, 61°16°

      30% chance · 0.02 in0.5 mm

    3. Evening

      6 PM–midnight

      Partly cloudy, 55°13°

      30% chance

    4. Overnight

      midnight–6 AM

      Partly cloudy, 52°11°

      30% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers. Partly sunny, with a high near 62.

    Night: A chance of rain showers. Mostly cloudy, with a low around 52.

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

    High, likely
    57°14°–62°17°
    Low, likely
    49°9°–55°13°
    Typical high / low
    82°28° / 50°10°
    Wind
    9 mph14 km/h, gusts 17 mph27 km/h
    UV peak
    3
  8. Saturday, Oct 31. Cloudy. High 59°15°, low 49°9°. Typical 82°28° / 49°9°. Rain 0.21 in5.3 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 52°11°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 60°16°

      30% chance · 0.02 in0.5 mm

    3. Evening

      6 PM–midnight

      Cloudy, 54°12°

      40% chance

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      30% 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
    54°12°–61°16°
    Low, likely
    45°7°–54°12°
    Typical high / low
    82°28° / 49°9°
    Wind
    8 mph13 km/h, gusts 18 mph28 km/h
    UV peak
    4
  9. Sunday, Nov 1. Rain. High 62°17°, low 49°9°. Typical 81°27° / 49°9°. Rain 0.22 in5.6 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 54°12°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 64°18°

      30% chance · 0.03 in0.8 mm

    3. Evening

      6 PM–midnight

      Rain, 54°12°

      30% chance · 0.16 in4.1 mm

    4. Overnight

      midnight–6 AM

      Rain, 51°10°

      30% chance · 0.21 in5.3 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
    54°12°–70°21°
    Low, likely
    43°6°–58°14°
    Typical high / low
    81°27° / 49°9°
    Wind
    9 mph14 km/h, gusts 18 mph29 km/h
    UV peak
    2
  10. Monday, Nov 2. Showers. High 61°16°, low 48°9°. Typical 81°27° / 49°9°. Rain 0.28 in7.1 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 57°14°

      20% chance · 0.05 in1.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 63°17°

      20% chance · 0.04 in1 mm

    3. Evening

      6 PM–midnight

      Cloudy, 57°14°

      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
    57°14°–69°21°
    Low, likely
    37°3°–58°14°
    Typical high / low
    81°27° / 49°9°
    Wind
    7 mph10 km/h, gusts 17 mph27 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 69°, low 56°.

  2. Tomorrow

    Dry, high 71°, low 58°.

  3. Monday

    Dry, high 72°, low 56°.

  4. Rest of week

    Mostly dry, highs 59–71°.

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

San Antonio Dam

1.3 mi
Level
0.0 ft

Reading from Sat 9 AM · NWS gauge page

Live Oak Dam

5.1 mi
Level
0.0 ft

Reading from Sat 1:01 PM · NWS gauge page

San Dimas Dam

6.4 mi
Level
0.0 ft

Reading from Sat 1:09 PM · NWS gauge page

Big Dalton Dam

8.7 mi
Level
0.0 ft

Reading from Sat 1:34 PM · NWS gauge page

For your home

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

Heating this week

This week 8Typical 0

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 3:00 PM–8:00 PM

Good stretch to open the windows.

Is this typical?

Chino Airport · official normals 1991–2020 · records 1998–2026

Oct 24, today vs a typical year

Today’s expected high is 14°8° colder than typical.

Normal high / low
83°28° / 51°11°
Forecast high / low
69°21° / 56°13°
Record high
104°40° in 2017
Record low
43°6° in 2008

Last 7 days vs normal

On average 1°0° warmer than normal (daily mean temperature).

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

San Antonio Heights weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:03 AM, sunset 6:05 PM.

Daylight
11 h 2 min
Losing 1 min 57 s a day; shortest Dec 21, 1 h 10 min less
Golden hour
5:31–6:21 PM
Morning 6:47–7:37 AM
Blue hour
6:21–6:31 PM
Morning 6:37–6:47 AM; first light 6:37 AM

Stars tonight? Fair

Clear 6:31 PM–6:38 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 5:26 AM · rises 5:04 PM
Full moon
Oct 25
New moon
Nov 8
Looking north from San Antonio Heights. The highest point on the skyline is about 8,800 ft, 6 mi away.Skyline from USGS elevation data. Sky, sun and moon as they are now.