Observed 7:35 AM PDT at KAJO

Norco, CA weather

Foggy and 52°11°.

Mostly agree

Now 52°11°

Fog

Wind: 3 mph5 km/h; From the north-northwest. Up to 10 mph16 km/h through 7 PM
Visibility (notable): 0.1 mi0.2 km; Dense fog
Dew point: 52°11°; Comfortable
Humidity: 100%; Air 52°11°, dew point 52°11° · fog or dew likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 5
Air today: 45Good; EPA forecast · Ozone
Pressure: 29.97 inHg1015 hPa; Rising slowly · +0.03 inHg+1.1 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

5°3° cooler than this time yesterday (57°14° then, 52°11° now)

Good hours for

Above 70°21° today by noon
High 77°25° today at 2 PM
Below 70°21° tonight after 7 PM
Drops 14°8° tomorrow night from 4 AM (71°22° → 57°14°)

This morningUp to 69°21° by 11 AM · Clear
This afternoonUp to 77°25° by 2 PM · Clear
TonightDown to 56°13° by 4 AM · Clear
Tomorrow morningUp to 72°22° by 11 AM · Clear
Tomorrow afternoonUp to 80°27° by 2 PM · Partly cloudy
Tomorrow nightDown to 62°17° by 5 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 7a	Sunny	55°13° (likely 51°11° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	94%	8%	0
Sat 8a	Sunny	56°13° (likely 53°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph9 km/h	93%	5%	0
Sat 9a	Sunny	61°16° (likely 57°14° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 7 mph11 km/h	83%	4%	1
Sat 10a	Sunny	66°19° (likely 62°17° to 67°19°)	66°19°	0%	0 mph0 km/h, gusts 10 mph16 km/h	69%	2%	2
Sat 11a	Sunny	69°21° (likely 66°19° to 71°22°)	69°21°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	59%	0%	4
Sat 12p	Sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	10 mph16 km/h from N, gusts 13 mph21 km/h	50%	0%	5
Sat 1p	Sunny	75°24° (likely 73°23° to 75°24°)	75°24°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	47%	0%	5
Sat 2p	Sunny	77°25° (likely 74°23° to 77°25°)	77°25°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	43%	0%	5
Sat 3p	Sunny	77°25° (likely 75°24° to 78°26°)	77°25°	0%	5 mph8 km/h from NW, gusts 10 mph15 km/h	44%	0%	3
Sat 4p	Sunny	77°25° (likely 74°23° to 78°26°)	77°25°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	45%	0%	2
Sat 5p	Sunny	76°24° (likely 72°22° to 77°25°)	77°25°	0%	10 mph16 km/h from W, gusts 12 mph19 km/h	49%	0%	2
Sat 6p	Clear	72°22° (likely 68°20° to 73°23°)	72°22°	0%	10 mph16 km/h from W, gusts 12 mph20 km/h	60%	0%	0
Sat 7p	Clear	69°21° (likely 65°18° to 69°21°)	69°21°	0%	5 mph8 km/h from W, gusts 14 mph22 km/h	66%	0%	0
Sat 8p	Clear	66°19° (likely 62°17° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 13 mph20 km/h	70%	0%	0
Sat 9p	Clear	64°18° (likely 59°15° to 64°18°)	64°18°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	74%	0%	0
Sat 10p	Clear	62°17° (likely 58°14° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 6 mph9 km/h	78%	0%	0
Sat 11p	Clear	61°16° (likely 56°13° to 61°16°)	61°16°	0%	5 mph8 km/h from E, gusts 6 mph9 km/h	80%	0%	0
Sun 12a	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	80%	0%	0
Sun 1a	Clear	59°15° (likely 54°12° to 59°15°)	59°15°	0%	5 mph8 km/h from E, gusts 4 mph6 km/h	84%	0%	0
Sun 2a	Clear	57°14° (likely 53°12° to 58°14°)	57°14°	0%	5 mph8 km/h from E, gusts 3 mph6 km/h	87%	0%	0
Sun 3a	Clear	57°14° (likely 52°11° to 57°14°)	57°14°	0%	5 mph8 km/h from E, gusts 4 mph6 km/h	85%	0%	0
Sun 4a	Clear	56°13° (likely 51°11° to 56°13°)	56°13°	0%	5 mph8 km/h from E, gusts 4 mph6 km/h	85%	0%	0
Sun 5a	Clear	56°13° (likely 51°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 5 mph7 km/h	85%	0%	0
Sun 6a	Clear	55°13° (likely 50°10° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	84%	0%	0
Sun 7a	Sunny	55°13° (likely 50°10° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph7 km/h	85%	0%	0
Sun 8a	Sunny	57°14° (likely 51°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	81%	1%	0
Sun 9a	Sunny	62°17° (likely 57°14° to 64°18°)	62°17°	0%	0 mph0 km/h, gusts 5 mph7 km/h	68%	1%	1
Sun 10a	Sunny	68°20° (likely 63°17° to 70°21°)	68°20°	0%	0 mph0 km/h, gusts 8 mph13 km/h	56%	1%	3
Sun 11a	Sunny	72°22° (likely 68°20° to 73°23°)	72°22°	0%	0 mph0 km/h, gusts 6 mph10 km/h	48%	1%	4
Sun 12p	Sunny	76°24° (likely 72°22° to 76°24°)	76°24°	0%	0 mph0 km/h, gusts 5 mph8 km/h	42%	6%	5
Sun 1p	Sunny	78°26° (likely 75°24° to 78°26°)	78°26°	0%	0 mph0 km/h, gusts 6 mph10 km/h	38%	40%	5
Sun 2p	Sunny	80°27° (likely 76°24° to 80°27°)	80°27°	0%	0 mph0 km/h, gusts 8 mph13 km/h	36%	40%	5
Sun 3p	Sunny	80°27° (likely 77°25° to 80°27°)	80°27°	0%	0 mph0 km/h, gusts 9 mph14 km/h	36%	40%	4
Sun 4p	Sunny	80°27° (likely 76°24° to 80°27°)	80°27°	0%	0 mph0 km/h, gusts 11 mph17 km/h	37%	40%	3
Sun 5p	Sunny	80°27° (likely 75°24° to 80°27°)	80°27°	0%	5 mph8 km/h from W, gusts 12 mph20 km/h	38%	40%	1
Sun 6p	Clear	76°24° (likely 70°21° to 76°24°)	76°24°	0%	5 mph8 km/h from W, gusts 12 mph20 km/h	44%	42%	0
Sun 7p	Mostly clear	78°26° (likely 66°19° to 78°26°)	78°26°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	43%	46%	0
Sun 8p	Mostly clear	71°22° (likely 63°17° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 7 mph12 km/h	54%	59%	0
Sun 9p	Mostly clear	74°23° (likely 61°16° to 74°23°)	75°24°	0%	0 mph0 km/h, gusts 7 mph12 km/h	48%	64%	0
Sun 10p	Mostly clear	74°23° (likely 59°15° to 74°23°)	74°23°	0%	0 mph0 km/h, gusts 8 mph12 km/h	48%	70%	0
Sun 11p	Cloudy	67°19° (likely 57°14° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 6 mph9 km/h	61%	77%	0
Mon 12a	Cloudy	74°23° (likely 56°13° to 74°23°)	74°23°	0%	0 mph0 km/h, gusts 5 mph7 km/h	48%	73%	0
Mon 1a	Mostly clear	72°22° (likely 54°12° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 4 mph7 km/h	48%	52%	0
Mon 2a	Clear	64°18° (likely 53°12° to 64°18°)	64°18°	0%	5 mph8 km/h from E, gusts 4 mph7 km/h	64%	44%	0
Mon 3a	Clear	71°22° (likely 53°12° to 71°22°)	71°22°	0%	5 mph8 km/h from E, gusts 3 mph5 km/h	48%	36%	0
Mon 4a	Partly cloudy	71°22° (likely 52°11° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 3 mph5 km/h	46%	32%	0
Mon 5a	Clear	62°17° (likely 51°11° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 3 mph6 km/h	63%	0%	0
Mon 6a	Clear	57°14° (likely 47°8° to 68°20°)	57°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	74%	3%	0

Days ahead

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

Today, Oct 24. Mostly sunny. High 78°26°, low 55°13°. Typical 81°27° / 53°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  Dry
Official NWS forecast
Today: Sunny, with a high near 78. Northwest wind 0 to 10 mph.
Tonight: Mostly clear, with a low around 55. Northeast wind 0 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–78°26°
Low, likely
51°11°–56°13°
Typical high / low
81°27° / 53°12°
Wind
9 mph14 km/h, gusts 21 mph34 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 81°27°, low 57°14°. Typical 81°27° / 53°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 80°27°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 71°22°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 62°17°
  Dry
Official NWS forecast
Day: Sunny, with a high near 81. Northwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 57. Southwest wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–81°27°
Low, likely
50°10°–57°14°
Typical high / low
81°27° / 53°12°
Wind
9 mph15 km/h, gusts 17 mph27 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 81°27°, low 56°13°. Typical 80°27° / 53°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 81. Northwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–81°27°
Low, likely
50°10°–59°15°
Typical high / low
80°27° / 53°12°
Wind
9 mph14 km/h, gusts 19 mph31 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 81°27°, low 56°13°. Typical 80°27° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  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 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–81°27°
Low, likely
46°8°–61°16°
Typical high / low
80°27° / 52°11°
Wind
9 mph14 km/h, gusts 14 mph22 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 79°26°, low 56°13°. Typical 80°27° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 76°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 79.
Night: Mostly cloudy, with a low around 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–79°26°
Low, likely
49°9°–60°16°
Typical high / low
80°27° / 52°11°
Wind
6 mph10 km/h, gusts 14 mph22 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 75°24°, low 56°13°. Typical 80°27° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  20% chance · 0.02 in0.4 mm
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 56.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–75°24°
Low, likely
52°11°–61°16°
Typical high / low
80°27° / 52°11°
Wind
8 mph13 km/h, gusts 19 mph31 km/h
UV peak
4
Friday, Oct 30. Showers. High 71°22°, low 55°13°. Typical 80°27° / 52°11°. Rain 0.05 in1.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  30% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  20% chance
3. Evening
  6 PM–midnight
  Partly cloudy, 62°17°
  20% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 57°14°
  30% chance · 0.08 in1.9 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 71.
Night: A chance of rain showers. Mostly cloudy, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–71°22°
Low, likely
53°12°–61°16°
Typical high / low
80°27° / 52°11°
Wind
8 mph12 km/h, gusts 18 mph28 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 68°20°, low 55°13°. Typical 79°26° / 51°11°. Rain 0.11 in2.8 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  30% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 54°12°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–71°22°
Low, likely
48°9°–60°16°
Typical high / low
79°26° / 51°11°
Wind
8 mph12 km/h, gusts 20 mph33 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 70°21°, low 53°12°. Typical 79°26° / 51°11°. Rain 0.12 in3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 56°13°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 71°21°
  30% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  30% chance
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  30% chance · 0.1 in2.5 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
63°17°–80°27°
Low, likely
45°7°–63°17°
Typical high / low
79°26° / 51°11°
Wind
9 mph14 km/h, gusts 22 mph36 km/h
UV peak
4
Monday, Nov 2. Showers. High 69°21°, low 53°12°. Typical 79°26° / 51°11°. Rain 1.2 in30 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 57°14°
  20% chance · 0.81 in21 mm
2. Afternoon
  noon–6 PM
  Showers, 67°19°
  20% chance · 0.22 in5.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–75°24°
Low, likely
47°8°–59°15°
Typical high / low
79°26° / 51°11°
Wind
9 mph15 km/h, gusts 14 mph23 km/h

10 days15 days30 days

The outlook

Today
Dry, high 78°, low 55°.
Tomorrow
Dry, high 81°, low 57°, warming up.
Monday
Dry, high 81°, low 56°.
Rest of week
Mostly dry, highs 68–81°.

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

Temescal Creek near Corona

2.6 mi

Level: 2.2 ft

Reading from Sat 6:15 AM · NWS gauge page

Santa Ana River at MWD Crossing near Arlington

6.7 mi

Level: 4.0 ft
Flow: 69 cfs

Reading from Sat 7 AM · NWS gauge page

Santa Ana River at E St near San Bernardino

17 mi

Level: 2.8 ft
Flow: 17 cfs

Reading from Sat 7 AM · NWS gauge page

San Antonio Dam

18 mi

Level: 0.0 ft

Reading from Sat 7 AM · NWS gauge page

For your home

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

Cooling this week

About 12% more cooling than a typical week.

This week 11Typical 10

Cooling degree days, base 65°F

Comfort

Dry air outside (dew point 52°F).

Open the windows?

Today, 9:00 AM–12:00 AM

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

Is this typical?

Riverside Municipal Airport · official normals 1991–2020 · records 1998–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

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

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

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

Sun & moon

Sun

Daylight: 11 h 3 min; Losing 1 min 53 s a day; shortest Dec 21, 1 h 9 min less
Golden hour: 5:31–6:21 PM; Morning 6:47–7:37 AM
Blue hour: 6:21–6:30 PM; Morning 6:37–6:47 AM; first light 6:37 AM

Stars tonight? Fair

Clear 6:30 PM–6:38 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:25 AM · rises 5:04 PM
Full moon: Oct 25
New moon: Nov 8

Looking north from Norco. The highest point on the skyline is about 11,400 ft, 43 mi away.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.

Norco, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Temescal Creek near Corona

Santa Ana River at MWD Crossing near Arlington

Santa Ana River at E St near San Bernardino

San Antonio Dam

For your home

Cooling this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon