Model estimate for 6:00 AM PDT (no recent station report)

Irwindale, CA weather

Clear and 55°13°.

Forecasts differ

Now 55°13°

Clear

Wind: 5 mph8 km/h; From the northeast. About 5 mph8 km/h through 6 PM
Dew point: 51°11°; Comfortable
UV index: 0Low; Moderate 11 AM–4 PM · peak 5
Air quality: 31Good; Main pollutant: PM2.5 (fine particles)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Above 70°21° today by noon
High 78°26° today at 3 PM
Below 70°21° tonight after 7 PM

This morningUp to 68°20° by 11 AM · Clear
This afternoonUp to 78°26° by 3 PM · Clear
TonightDown to 59°15° by 3 AM · Clear
Tomorrow morningUp to 71°22° by 11 AM · Clear
Tomorrow afternoonUp to 82°28° by 4 PM · Clear
Tomorrow nightDown to 67°19° by 4 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 6a	Clear	55°13° (likely 50°10° to 56°13°)	55°13°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	87%	22%	0
Sat 7a	Sunny	55°13° (likely 50°10° to 57°14°)	55°13°	0%	5 mph8 km/h from NE, gusts 5 mph9 km/h	89%	24%	0
Sat 8a	Sunny	58°14° (likely 52°11° to 58°14°)	58°14°	0%	5 mph8 km/h from NNE, gusts 4 mph7 km/h	83%	18%	0
Sat 9a	Sunny	60°16° (likely 57°14° to 64°18°)	60°16°	0%	5 mph8 km/h from NNE, gusts 4 mph6 km/h	74%	13%	1
Sat 10a	Sunny	63°17° (likely 63°17° to 69°21°)	63°17°	0%	5 mph8 km/h from NNE, gusts 4 mph7 km/h	65%	6%	2
Sat 11a	Sunny	68°20° (likely 67°19° to 72°22°)	68°20°	0%	5 mph8 km/h from N, gusts 3 mph6 km/h	55%	1%	4
Sat 12p	Sunny	71°22° (likely 70°21° to 76°24°)	71°22°	0%	5 mph8 km/h from N, gusts 6 mph9 km/h	48%	0%	5
Sat 1p	Sunny	75°24° (likely 73°23° to 79°26°)	75°24°	0%	5 mph8 km/h from N, gusts 6 mph10 km/h	45%	1%	5
Sat 2p	Sunny	76°24° (likely 74°23° to 81°27°)	76°24°	0%	5 mph8 km/h from WSW, gusts 7 mph12 km/h	43%	2%	5
Sat 3p	Sunny	78°26° (likely 74°23° to 82°28°)	78°26°	0%	5 mph8 km/h from WSW, gusts 9 mph14 km/h	42%	2%	3
Sat 4p	Sunny	78°26° (likely 74°23° to 81°27°)	78°26°	0%	5 mph8 km/h from WSW, gusts 10 mph16 km/h	44%	1%	2
Sat 5p	Sunny	76°24° (likely 72°22° to 79°26°)	76°24°	0%	5 mph8 km/h from WSW, gusts 9 mph15 km/h	42%	0%	2
Sat 6p	Clear	71°22° (likely 68°20° to 75°24°)	71°22°	0%	5 mph8 km/h from WSW, gusts 10 mph16 km/h	47%	0%	0
Sat 7p	Clear	68°20° (likely 64°18° to 71°22°)	68°20°	0%	5 mph8 km/h from WSW, gusts 9 mph14 km/h	51%	0%	0
Sat 8p	Clear	69°21° (likely 61°16° to 69°21°)	69°21°	0%	5 mph8 km/h from W, gusts 6 mph9 km/h	55%	0%	0
Sat 9p	Clear	66°19° (likely 59°15° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 4 mph7 km/h	60%	0%	0
Sat 10p	Clear	64°18° (likely 57°14° to 64°18°)	64°18°	0%	5 mph8 km/h from W, gusts 4 mph7 km/h	61%	0%	0
Sat 11p	Clear	64°18° (likely 56°13° to 64°18°)	64°18°	0%	5 mph8 km/h from ENE, gusts 4 mph7 km/h	62%	0%	0
Sun 12a	Clear	62°17° (likely 55°13° to 62°17°)	62°17°	0%	5 mph8 km/h from ENE, gusts 7 mph11 km/h	62%	1%	0
Sun 1a	Clear	61°16° (likely 55°13° to 61°16°)	61°16°	0%	5 mph8 km/h from ENE, gusts 7 mph11 km/h	61%	0%	0
Sun 2a	Clear	61°16° (likely 54°12° to 61°16°)	61°16°	0%	5 mph8 km/h from ENE, gusts 6 mph10 km/h	60%	0%	0
Sun 3a	Clear	59°15° (likely 53°12° to 60°16°)	59°15°	0%	5 mph8 km/h from ENE, gusts 6 mph10 km/h	61%	0%	0
Sun 4a	Clear	59°15° (likely 53°12° to 60°16°)	59°15°	0%	5 mph8 km/h from ENE, gusts 7 mph11 km/h	62%	0%	0
Sun 5a	Clear	59°15° (likely 52°11° to 60°16°)	59°15°	0%	5 mph8 km/h from ENE, gusts 6 mph10 km/h	61%	0%	0
Sun 6a	Clear	57°14° (likely 52°11° to 59°15°)	57°14°	0%	5 mph8 km/h from ENE, gusts 6 mph9 km/h	61%	0%	0
Sun 7a	Sunny	57°14° (likely 51°11° to 58°14°)	57°14°	0%	5 mph8 km/h from ENE, gusts 4 mph6 km/h	64%	0%	0
Sun 8a	Sunny	61°16° (likely 53°12° to 61°16°)	61°16°	0%	5 mph8 km/h from ENE, gusts 4 mph7 km/h	60%	0%	0
Sun 9a	Sunny	62°17° (likely 59°15° to 66°19°)	62°17°	0%	5 mph8 km/h from ENE, gusts 6 mph10 km/h	57%	0%	1
Sun 10a	Sunny	68°20° (likely 66°19° to 71°22°)	68°20°	0%	5 mph8 km/h from ENE, gusts 4 mph7 km/h	48%	0%	3
Sun 11a	Sunny	71°22° (likely 71°22° to 75°24°)	71°22°	0%	5 mph8 km/h from WSW, gusts 3 mph5 km/h	41%	0%	4
Sun 12p	Sunny	75°24° (likely 74°23° to 78°26°)	75°24°	0%	5 mph8 km/h from WSW, gusts 3 mph5 km/h	36%	0%	5
Sun 1p	Sunny	77°25° (likely 76°24° to 80°27°)	77°25°	0%	5 mph8 km/h from WSW, gusts 4 mph7 km/h	33%	0%	5
Sun 2p	Sunny	80°27° (likely 77°25° to 82°28°)	79°26°	0%	5 mph8 km/h from WSW, gusts 5 mph9 km/h	32%	0%	5
Sun 3p	Sunny	80°27° (likely 77°25° to 83°28°)	79°26°	0%	5 mph8 km/h from WSW, gusts 7 mph12 km/h	31%	39%	4
Sun 4p	Sunny	82°28° (likely 76°24° to 82°28°)	81°27°	0%	5 mph8 km/h from WSW, gusts 9 mph15 km/h	32%	42%	3
Sun 5p	Sunny	81°27° (likely 75°24° to 81°27°)	80°27°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	34%	43%	1
Sun 6p	Clear	77°25° (likely 71°22° to 77°25°)	77°25°	0%	5 mph8 km/h from W, gusts 13 mph21 km/h	39%	43%	0
Sun 7p	Mostly clear	74°23° (likely 68°20° to 74°23°)	74°23°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	46%	50%	0
Sun 8p	Mostly clear	74°23° (likely 64°18° to 74°23°)	74°23°	0%	5 mph8 km/h from WNW, gusts 6 mph9 km/h	52%	54%	0
Sun 9p	Mostly clear	72°22° (likely 61°16° to 72°22°)	72°22°	0%	5 mph8 km/h from WNW, gusts 4 mph7 km/h	57%	65%	0
Sun 10p	Cloudy	71°22° (likely 58°14° to 71°22°)	71°22°	0%	5 mph8 km/h from WNW, gusts 4 mph6 km/h	59%	74%	0
Sun 11p	Clear	71°22° (likely 57°14° to 71°22°)	71°22°	0%	5 mph8 km/h from NNE, gusts 4 mph7 km/h	61%	49%	0
Mon 12a	Mostly clear	70°21° (likely 52°11° to 72°22°)	70°21°	0%	5 mph8 km/h from NNE, gusts 5 mph7 km/h	61%	72%	0
Mon 1a	Mostly clear	70°21° (likely 51°11° to 71°22°)	70°21°	0%	5 mph8 km/h from NNE, gusts 5 mph8 km/h	61%	32%	0
Mon 2a	Clear	69°21° (likely 51°11° to 71°22°)	69°21°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	61%	20%	0
Mon 3a	Mostly clear	69°21° (likely 51°11° to 70°21°)	69°21°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	61%	13%	0
Mon 4a	Clear	67°19° (likely 50°10° to 70°21°)	67°19°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	61%	9%	0
Mon 5a	Clear	67°19° (likely 50°10° to 69°21°)	67°19°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	62%	3%	0

Days ahead

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

Today, Oct 24. Sunny. High 79°26°, low 57°14°. Typical 81°27° / 55°13°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 69°21°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 59°15°
  Dry
Official NWS forecast
Today: Sunny, with a high near 79. North wind around 5 mph.
Tonight: Mostly clear, with a low around 57. West wind around 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
74°23°–82°28°
Low, likely
50°10°–57°14°
Typical high / low
81°27° / 55°13°
Wind
9 mph15 km/h
UV peak
5
Tomorrow, Oct 25. Mostly sunny. High 82°28°, low 59°15°. Typical 81°27° / 55°13°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 74°23°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 67°19°
  Dry
Official NWS forecast
Day: Sunny, with a high near 82. West wind around 5 mph.
Night: Mostly clear, with a low around 59. North northwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–83°28°
Low, likely
51°11°–59°15°
Typical high / low
81°27° / 55°13°
Wind
9 mph14 km/h, gusts 14 mph23 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 83°28°, low 58°14°. Typical 81°27° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  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 83. North northeast wind 0 to 5 mph.
Night: Mostly clear, with a low around 58.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
77°25°–83°28°
Low, likely
51°11°–65°18°
Typical high / low
81°27° / 54°12°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 82°28°, low 59°15°. Typical 81°27° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 82.
Night: Partly cloudy, with a low around 59.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–82°28°
Low, likely
49°9°–63°17°
Typical high / low
81°27° / 54°12°
Wind
6 mph9 km/h, gusts 13 mph21 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 81°27°, low 59°15°. Typical 80°27° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 81.
Night: Mostly cloudy, with a low around 59.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–81°27°
Low, likely
53°12°–61°16°
Typical high / low
80°27° / 54°12°
Wind
6 mph9 km/h, gusts 13 mph21 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 77°25°, low 57°14°. Typical 80°27° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 59°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, 60°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 77.
Night: A chance of rain showers after 11pm. Mostly cloudy, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–77°25°
Low, likely
55°13°–62°17°
Typical high / low
80°27° / 54°12°
Wind
7 mph11 km/h, gusts 19 mph31 km/h
UV peak
4
Friday, Oct 30. Showers. High 73°23°, low 55°13°. Typical 80°27° / 54°12°. Rain 0.08 in2 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 69°20°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 64°18°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 58°14°
  20% chance · 0.07 in1.8 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.
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°–73°23°
Low, likely
55°13°–61°16°
Typical high / low
80°27° / 54°12°
Wind
7 mph10 km/h, gusts 16 mph25 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 69°21°, low 56°13°. Typical 80°27° / 54°12°. Rain 0.08 in2 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 58°15°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 63°17°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  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°–72°22°
Low, likely
50°10°–61°16°
Typical high / low
80°27° / 54°12°
Wind
7 mph11 km/h, gusts 20 mph32 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 72°22°, low 54°12°. Typical 79°26° / 53°12°. Rain 0.06 in1.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 57°14°
  30% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 74°23°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 65°18°
  30% chance
4. Overnight
  midnight–6 AM
  Rain, 54°12°
  30% chance · 0.16 in4.1 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°–81°27°
Low, likely
48°9°–64°18°
Typical high / low
79°26° / 53°12°
Wind
8 mph12 km/h, gusts 25 mph40 km/h
UV peak
4
Monday, Nov 2. Showers. High 70°21°, low 53°12°. Typical 79°26° / 53°12°. Rain 0.7 in18 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 59°15°
  20% chance · 0.38 in9.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 70°21°
  20% chance · 0.12 in3 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°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
65°18°–73°23°
Low, likely
46°8°–63°17°
Typical high / low
79°26° / 53°12°
Wind
12 mph20 km/h, gusts 28 mph45 km/h

10 days15 days30 days

The outlook

Today
Dry, high 79°, low 57°.
Tomorrow
Dry, high 82°, low 59°, warming up.
Monday
Dry, high 83°, low 58°.
Rest of week
Mostly dry, highs 69–82°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LOX) (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 Gabriel River below Santa Fe Dam

0.3 mi

Level: 6.2 ft

Reading from Sat 4:15 AM · NWS gauge page

Big Dalton Wash

2.6 mi

Level: 0.2 ft

Reading from Sat 4:30 AM · NWS gauge page

Arcadia Wash at Grand

4.1 mi

Below flood stage

Level: 0.2 ft

Reading from Sat 4 AM · NWS gauge page

Walnut Creek

4.4 mi

Level: 0.1 ft

Reading from Sat 4:30 AM · NWS gauge page

For your home

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

Cooling this week

About 39% less cooling than a typical week.

This week 10Typical 17

Cooling degree days, base 65°F

Comfort

Dry air outside (dew point 51°F).

Open the windows?

Today, 9:00 AM–2:00 AM

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

Is this typical?

PASADENA · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 11 h 2 min; Losing 1 min 57 s a day; shortest Dec 21, 1 h 10 min less
Golden hour: 5:32–6:22 PM; Morning 6:48–7:39 AM
Blue hour: 6:22–6:32 PM; Morning 6:39–6:48 AM; first light 6:39 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:27 AM · rises 5:05 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Irwindale. The highest point on the skyline is about 11,400 ft, 65 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.