Observed 3:35 AM PDT at KSNA

Mission Viejo, CA weather

Overcast and 61°16°, 79°44° colder than a typical Oct 22.

One forecast only

Now 61°16°

Cloudy

Wind: 7 mph11 km/h; From the east-southeast. 58–7 mph11 km/h through 4 PM
Dew point: 57°14°; A little sticky
UV index: 0Low; Moderate 11 AM–4 PM · peak 5
Air quality: 27Good; Main pollutant: PM2.5 (fine particles)
Pressure: 29.99 inHg1016 hPa; Steady over the last 3 h

None rain now, through the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Rain until 5 AM (30%)
Low 56°13° tonight at 5 AM
High 68°20° today at 1 PM
Above 60°16° tomorrow by 9 AM

TonightNear 57°14° · Rain 4–5 AM (30%)
This morningUp to 64°18° by 11 AM · rain chance 20% · Clear
This afternoonNear 67°19° · Partly cloudy · rain chance 20%
TonightDown to 56°13° by 3 AM · rain chance 10% · Clear
Tomorrow morningUp to 69°21° by 11 AM · Clear
Tomorrow afternoonNear 72°22° · Clear
Tomorrow nightDown to 63°17° by 2 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 4a	Cloudy	57°14° (likely 57°14° to 59°15°)	57°14°	30%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 5 mph8 km/h	100%	88%	0
Fri 5a	Partly cloudy	56°13° (likely 56°13° to 59°15°)	56°13°	20%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 6 mph10 km/h	100%	70%	0
Fri 6a	Clear	56°13° (likely 56°13° to 58°14°)	56°13°	20%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 6 mph9 km/h	100%	31%	0
Fri 7a	Sunny	56°13° (likely 56°13° to 58°14°)	56°13°	20%, 0.01 in0.3 mm	5 mph8 km/h from SE, gusts 6 mph9 km/h	100%	19%	0
Fri 8a	Sunny	57°14° (likely 57°14° to 60°16°)	57°14°	20%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 5 mph8 km/h	100%	11%	0
Fri 9a	Sunny	59°15° (likely 59°15° to 63°17°)	59°15°	20%, 0.01 in0.3 mm	5 mph8 km/h from SE, gusts 3 mph5 km/h	98%	7%	1
Fri 10a	Sunny	61°16° (likely 61°16° to 65°18°)	61°16°	20%, 0.01 in0.3 mm	5 mph8 km/h from SW, gusts 5 mph7 km/h	93%	9%	2
Fri 11a	Sunny	64°18° (likely 64°18° to 67°19°)	64°18°	20%	5 mph8 km/h from SW, gusts 7 mph11 km/h	86%	22%	4
Fri 12p	Showers	66°19° (likely 66°19° to 69°21°)	66°19°	20%	5 mph8 km/h from W, gusts 8 mph12 km/h	78%	34%	5
Fri 1p	Showers	68°20° (likely 67°19° to 70°21°)	68°20°	20%	5 mph8 km/h from W, gusts 9 mph15 km/h	72%	32%	5
Fri 2p	Showers	68°20° (likely 67°19° to 71°22°)	68°20°	20%	5 mph8 km/h from NW, gusts 9 mph14 km/h	73%	40%	4
Fri 3p	Showers	68°20° (likely 67°19° to 71°22°)	68°20°	20%	5 mph8 km/h from W, gusts 9 mph15 km/h	71%	32%	3
Fri 4p	Showers	68°20° (likely 67°19° to 70°21°)	68°20°	20%	5 mph8 km/h from W, gusts 10 mph16 km/h	70%	32%	2
Fri 5p	Partly sunny	67°19° (likely 65°18° to 68°20°)	67°19°	10%	5 mph8 km/h from W, gusts 11 mph17 km/h	74%	30%	1
Fri 6p	Clear	66°19° (likely 63°17° to 66°19°)	66°19°	10%	5 mph8 km/h from W, gusts 9 mph14 km/h	77%	22%	0
Fri 7p	Partly cloudy	63°17° (likely 61°16° to 64°18°)	63°17°	10%	5 mph8 km/h from NW, gusts 7 mph11 km/h	83%	35%	0
Fri 8p	Mostly clear	62°17° (likely 60°16° to 63°17°)	62°17°	10%	0 mph0 km/h, gusts 5 mph8 km/h	87%	48%	0
Fri 9p	Mostly clear	60°16° (likely 59°15° to 61°16°)	61°16°	10%	0 mph0 km/h, gusts 5 mph7 km/h	90%	23%	0
Fri 10p	Mostly clear	59°15° (likely 58°14° to 60°16°)	59°15°	10%	0 mph0 km/h, gusts 5 mph7 km/h	92%	57%	0
Fri 11p	Mostly clear	58°14° (likely 57°14° to 61°16°)	59°15°	0%	5 mph8 km/h from NE, gusts 4 mph7 km/h	94%	40%	0
Sat 12a	Mostly clear	58°14° (likely 56°13° to 60°16°)	58°14°	0%	5 mph8 km/h from NE, gusts 4 mph7 km/h	96%	18%	0
Sat 1a	Clear	58°14° (likely 56°13° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	5%	0
Sat 2a	Clear	57°14° (likely 55°13° to 58°14°)	57°14°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	96%	5%	0
Sat 3a	Clear	56°13° (likely 54°12° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	4%	0
Sat 4a	Clear	56°13° (likely 54°12° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	95%	0%	0
Sat 5a	Clear	56°13° (likely 54°12° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	0%	0
Sat 6a	Clear	55°13° (likely 54°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 5 mph7 km/h	96%	1%	0
Sat 7a	Sunny	55°13° (likely 55°13° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	98%	3%	0
Sat 8a	Sunny	56°13° (likely 56°13° to 59°15°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	0%	0
Sat 9a	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	84%	1%	1
Sat 10a	Sunny	65°18° (likely 65°18° to 67°19°)	65°18°	0%	0 mph0 km/h, gusts 5 mph7 km/h	73%	1%	3
Sat 11a	Sunny	69°21° (likely 68°20° to 70°21°)	69°21°	0%	0 mph0 km/h, gusts 8 mph13 km/h	66%	3%	4
Sat 12p	Sunny	71°22° (likely 71°22° to 72°22°)	71°22°	0%	0 mph0 km/h, gusts 9 mph15 km/h	60%	6%	5
Sat 1p	Sunny	74°23° (likely 72°22° to 76°24°)	74°23°	0%	5 mph8 km/h from N, gusts 10 mph16 km/h	55%	7%	6
Sat 2p	Sunny	74°23° (likely 72°22° to 78°26°)	74°23°	0%	5 mph8 km/h from N, gusts 10 mph16 km/h	55%	6%	5
Sat 3p	Sunny	74°23° (likely 72°22° to 76°24°)	74°23°	0%	5 mph8 km/h from NW, gusts 11 mph18 km/h	56%	3%	4
Sat 4p	Sunny	74°23° (likely 71°22° to 75°24°)	74°23°	0%	10 mph16 km/h from W, gusts 11 mph18 km/h	56%	2%	3
Sat 5p	Sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	59%	0%	2
Sat 6p	Clear	71°22° (likely 67°19° to 71°22°)	71°22°	0%	5 mph8 km/h from NW, gusts 7 mph12 km/h	62%	0%	0
Sat 7p	Clear	72°22° (likely 62°17° to 72°22°)	72°22°	0%	5 mph8 km/h from NW, gusts 6 mph9 km/h	60%	0%	0
Sat 8p	Clear	67°19° (likely 60°16° to 67°19°)	67°19°	0%	5 mph8 km/h from NW, gusts 5 mph8 km/h	70%	0%	0
Sat 9p	Clear	71°22° (likely 59°15° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 5 mph8 km/h	60%	0%	0
Sat 10p	Clear	70°21° (likely 59°15° to 70°21°)	71°22°	0%	0 mph0 km/h, gusts 5 mph8 km/h	60%	0%	0
Sat 11p	Clear	64°18° (likely 58°14° to 64°18°)	64°18°	0%	0 mph0 km/h, gusts 4 mph6 km/h	72%	0%	0
Sun 12a	Clear	72°22° (likely 56°13° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 4 mph7 km/h	54%	0%	0
Sun 1a	Clear	69°21° (likely 55°13° to 69°21°)	69°21°	0%	0 mph0 km/h, gusts 4 mph7 km/h	59%	0%	0
Sun 2a	Clear	63°17° (likely 55°13° to 65°18°)	63°17°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	72%	0%	0
Sun 3a	Clear	68°20° (likely 55°13° to 68°20°)	68°20°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	58%	0%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Thursday, Oct 22. Showers. High 0°−18°, low 56°13°. Typical 79°26° / 58°14°. Dry. One forecast only.
1. Overnight
  midnight–6 AM
  Partly cloudy, 56°13°
  30% chance · 0.02 in0.5 mm
Official NWS forecast
Tonight: A chance of rain showers. Mostly cloudy, with a low around 56. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
High, likely
0°−18°
Low, likely
56°13°
Typical high / low
79°26° / 58°14°
Wind
—
Today, Oct 23. Drizzle. High 69°21°, low 55°13°. Typical 79°26° / 58°14°. Rain 0.04 in1 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  20% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Showers, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  Dry
Official NWS forecast
Day: A slight chance of rain showers before 5pm. Mostly sunny, with a high near 69. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Night: Mostly clear, with a low around 55. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
55°13°–58°14°
Typical high / low
79°26° / 58°14°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
5
Tomorrow, Oct 24. Sunny. High 75°24°, low 59°15°. Typical 78°26° / 58°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 58°15°
  Dry
Official NWS forecast
Day: Sunny, with a high near 75. Northwest wind 0 to 10 mph.
Night: Mostly clear, with a low around 59. Northeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–78°26°
Low, likely
54°12°–59°15°
Typical high / low
78°26° / 58°14°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
6
Sunday, Oct 25. Mostly sunny. High 79°26°, low 60°16°. Typical 78°26° / 58°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 61°16°
  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, 62°16°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 79.
Night: Mostly clear, with a low around 60.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–80°27°
Low, likely
55°13°–61°16°
Typical high / low
78°26° / 58°14°
Wind
9 mph14 km/h, gusts 17 mph28 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 80°27°, low 58°14°. Typical 78°26° / 58°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 63°17°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 80°27°
  Dry
3. Evening
  6 PM–midnight
  Clear, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 80.
Night: Mostly clear, with a low around 58.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–81°27°
Low, likely
57°14°–64°18°
Typical high / low
78°26° / 58°14°
Wind
10 mph16 km/h, gusts 19 mph31 km/h
UV peak
5
Tuesday, Oct 27. Partly sunny. High 77°25°, low 57°14°. Typical 78°26° / 57°14°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 58°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 56°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
Night: Partly cloudy, with a low around 57.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
71°22°–78°26°
Low, likely
53°12°–61°16°
Typical high / low
78°26° / 57°14°
Wind
9 mph14 km/h, gusts 14 mph23 km/h
UV peak
5
Wednesday, Oct 28. Mostly cloudy. High 75°24°, low 57°14°. Typical 78°26° / 57°14°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 75.
Night: Mostly cloudy, with a low around 57.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
69°21°–79°26°
Low, likely
53°12°–59°15°
Typical high / low
78°26° / 57°14°
Wind
12 mph19 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 72°22°, low 59°15°. Typical 78°26° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 72.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–74°23°
Low, likely
55°13°–61°16°
Typical high / low
78°26° / 57°14°
Wind
9 mph15 km/h, gusts 15 mph24 km/h
UV peak
5
Friday, Oct 30. Cloudy. High 71°22°, low 59°15°. Typical 78°26° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 62°16°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–74°23°
Low, likely
54°12°–63°17°
Typical high / low
78°26° / 57°14°
Wind
9 mph15 km/h, gusts 17 mph27 km/h
UV peak
5
Saturday, Oct 31. Cloudy. High 70°21°, low 59°15°. Typical 78°26° / 56°13°. Rain 0.93 in24 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 63°17°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  20% chance · 0.2 in5.2 mm
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  30% chance · 0.9 in23 mm
4. Overnight
  midnight–6 AM
  Cloudy, 66°19°
  40% chance · 0.23 in5.9 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
65°18°–74°23°
Low, likely
58°14°–61°16°
Typical high / low
78°26° / 56°13°
Wind
14 mph22 km/h, gusts 25 mph40 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 0°, low 56°.
Tomorrow
Dry, high 69°, low 55°, warming up.
Saturday
Dry, high 75°, low 59°, warming up.
Rest of week
Mostly dry, highs 70–80°.

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

For your home

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

Heating this week

This week 6Typical 0

Heating degree days, base 65°F

Comfort

Comfortable, non-humid air (dew point 57°F).

Open the windows?

Today, 11:00 AM–9:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 23, today vs a typical year

Today’s expected high is 79°44° colder than typical.

Last 7 days vs normal

—SatOct 17
—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23

Mission Viejo weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 5 min; Losing 1 min 53 s a day; shortest Dec 21, 1 h 10 min less
Golden hour: 5:33–6:22 PM; Morning 6:46–7:36 AM
Blue hour: 6:22–6:32 PM; Morning 6:36–6:46 AM; first light 6:36 AM

Stars tonight? Poor

Clouds most of the night (about 63% cover).

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:21 AM · rises 4:35 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Mission Viejo. The highest point on the skyline is about 16,700 ft, 32 mi away.Skyline from USGS elevation data, heights drawn up to 3.5× taller. Sky, sun and moon as they are now.