Observed 3:35 AM PDT at KFUL

Fullerton, CA weather

Overcast and 63°17°.

Forecasts differ

Now 63°17°

Cloudy

Wind: 5 mph7 km/h; From the east-southeast. Up to 5 mph8 km/h through 4 PM
Dew point: 55°13°; A little sticky
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Air quality: 21Good; Main pollutant: Ozone
Pressure: 29.98 inHg1015 hPa; Steady over the last 3 h

None rain starting around 7:15 AM.

From forecast models

Next 48 hours

About the same as this time yesterday (64°18° then, 62°17° now)

Good hours for

Low 57°14° tonight at 5 AM
High 69°21° today at 2 PM

TonightNear 58°14° · Partly cloudy · rain chance 30%
This morningUp to 65°18° by 11 AM · rain chance 10% · Clear
This afternoonNear 68°20° · rain chance 10% · Partly cloudy
TonightDown to 56°13° by 4 AM · Clear
Tomorrow morningUp to 69°21° by 11 AM · Clear
Tomorrow afternoonUp to 76°24° by 2 PM · 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	Showers	58°14° (likely 57°14° to 60°16°)	58°14°	30%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 6 mph10 km/h	99%	54%	0
Fri 5a	Partly cloudy	57°14° (likely 56°13° to 59°15°)	57°14°	5%	5 mph8 km/h from NE, gusts 5 mph8 km/h	99%	28%	0
Fri 6a	Clear	57°14° (likely 56°13° to 59°15°)	57°14°	5%	5 mph8 km/h from NE, gusts 5 mph9 km/h	98%	16%	0
Fri 7a	Sunny	57°14° (likely 55°13° to 58°14°)	57°14°	5%	5 mph8 km/h from E, gusts 5 mph7 km/h	99%	14%	0
Fri 8a	Sunny	58°14° (likely 57°14° to 59°15°)	58°14°	5%	0 mph0 km/h, gusts 7 mph12 km/h	99%	10%	0
Fri 9a	Sunny	60°16° (likely 60°16° to 64°18°)	61°16°	5%	0 mph0 km/h, gusts 6 mph10 km/h	98%	11%	1
Fri 10a	Partly sunny	63°17° (likely 63°17° to 66°19°)	63°17°	5%	0 mph0 km/h, gusts 6 mph9 km/h	93%	19%	2
Fri 11a	Partly sunny	65°18° (likely 65°18° to 69°21°)	65°18°	10%	0 mph0 km/h, gusts 3 mph5 km/h	86%	21%	3
Fri 12p	Partly sunny	67°19° (likely 67°19° to 72°22°)	67°19°	10%	0 mph0 km/h, gusts 5 mph8 km/h	80%	34%	3
Fri 1p	Partly sunny	68°20° (likely 67°19° to 74°23°)	68°20°	10%	5 mph8 km/h from S, gusts 6 mph9 km/h	78%	28%	4
Fri 2p	Partly sunny	69°21° (likely 68°20° to 75°24°)	69°21°	10%	5 mph8 km/h from SW, gusts 8 mph13 km/h	73%	33%	4
Fri 3p	Partly sunny	69°21° (likely 68°20° to 75°24°)	69°21°	10%	5 mph8 km/h from SW, gusts 9 mph14 km/h	74%	40%	3
Fri 4p	Sunny	69°21° (likely 67°19° to 73°23°)	69°21°	10%	5 mph8 km/h from S, gusts 11 mph18 km/h	74%	35%	1
Fri 5p	Partly sunny	69°21° (likely 66°19° to 72°22°)	69°21°	5%	5 mph8 km/h from SW, gusts 11 mph18 km/h	75%	48%	1
Fri 6p	Partly cloudy	67°19° (likely 63°17° to 68°20°)	67°19°	5%	5 mph8 km/h from SW, gusts 10 mph17 km/h	79%	41%	0
Fri 7p	Partly cloudy	65°18° (likely 61°16° to 67°19°)	65°18°	5%	5 mph8 km/h from W, gusts 8 mph14 km/h	84%	77%	0
Fri 8p	Cloudy	63°17° (likely 60°16° to 66°19°)	63°17°	5%	5 mph8 km/h from W, gusts 6 mph10 km/h	86%	71%	0
Fri 9p	Mostly clear	62°17° (likely 59°15° to 64°18°)	62°17°	5%	5 mph8 km/h from SW, gusts 5 mph7 km/h	90%	28%	0
Fri 10p	Clear	61°16° (likely 58°14° to 63°17°)	61°16°	5%	0 mph0 km/h, gusts 4 mph6 km/h	92%	2%	0
Fri 11p	Clear	60°16° (likely 57°14° to 61°16°)	60°16°	0%	0 mph0 km/h, gusts 4 mph7 km/h	96%	1%	0
Sat 12a	Clear	59°15° (likely 57°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 5 mph9 km/h	99%	2%	0
Sat 1a	Clear	58°14° (likely 56°13° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	98%	2%	0
Sat 2a	Clear	57°14° (likely 55°13° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	99%	8%	0
Sat 3a	Clear	57°14° (likely 55°13° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	99%	10%	0
Sat 4a	Clear	56°13° (likely 55°13° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 6 mph9 km/h	98%	12%	0
Sat 5a	Clear	56°13° (likely 54°12° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	12%	0
Sat 6a	Clear	55°13° (likely 54°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	100%	12%	0
Sat 7a	Sunny	55°13° (likely 54°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	11%	0
Sat 8a	Sunny	57°14° (likely 55°13° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	98%	8%	0
Sat 9a	Sunny	61°16° (likely 59°15° to 66°19°)	61°16°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	5%	1
Sat 10a	Sunny	65°18° (likely 63°17° to 70°21°)	65°18°	0%	0 mph0 km/h, gusts 5 mph7 km/h	76%	3%	3
Sat 11a	Sunny	69°21° (likely 67°19° to 74°23°)	69°21°	0%	5 mph8 km/h from SW, gusts 5 mph8 km/h	68%	0%	4
Sat 12p	Sunny	72°22° (likely 70°21° to 77°25°)	72°22°	0%	5 mph8 km/h from SW, gusts 6 mph9 km/h	63%	0%	5
Sat 1p	Sunny	74°23° (likely 72°22° to 79°26°)	74°23°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	59%	0%	5
Sat 2p	Sunny	76°24° (likely 74°23° to 80°27°)	76°24°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	55%	0%	5
Sat 3p	Sunny	75°24° (likely 74°23° to 80°27°)	75°24°	0%	5 mph8 km/h from W, gusts 9 mph14 km/h	57%	0%	4
Sat 4p	Sunny	75°24° (likely 73°23° to 79°26°)	75°24°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	58%	0%	3
Sat 5p	Sunny	75°24° (likely 71°22° to 77°25°)	75°24°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	58%	0%	2
Sat 6p	Clear	73°23° (likely 67°19° to 74°23°)	73°23°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	61%	0%	0
Sat 7p	Clear	75°24° (likely 64°18° to 75°24°)	75°24°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	56%	0%	0
Sat 8p	Clear	69°21° (likely 61°16° to 69°21°)	69°21°	0%	0 mph0 km/h, gusts 5 mph8 km/h	68%	0%	0
Sat 9p	Clear	73°23° (likely 60°16° to 73°23°)	73°23°	0%	0 mph0 km/h, gusts 4 mph6 km/h	58%	0%	0
Sat 10p	Clear	72°22° (likely 59°15° to 72°22°)	72°22°	0%	5 mph8 km/h from SE, gusts 4 mph6 km/h	60%	1%	0
Sat 11p	Clear	66°19° (likely 58°14° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 5 mph8 km/h	73%	1%	0
Sun 12a	Clear	71°22° (likely 56°13° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 5 mph8 km/h	58%	0%	0
Sun 1a	Clear	72°22° (likely 56°13° to 72°22°)	72°22°	0%	5 mph8 km/h from E, gusts 5 mph9 km/h	56%	0%	0
Sun 2a	Clear	63°17° (likely 55°13° to 69°21°)	63°17°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	73%	0%	0
Sun 3a	Clear	71°22° (likely 55°13° to 71°22°)	71°22°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	53%	0%	0

Days ahead

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

Today, Oct 23. Partly sunny. High 70°21°, low 57°14°. Typical 77°25° / 58°14°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 70. Southeast wind 0 to 5 mph.
Tonight: A chance of rain showers before 5am. Mostly cloudy, with a low around 57. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–75°24°
Low, likely
55°13°–58°14°
Typical high / low
77°25° / 58°14°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
5
Tomorrow, Oct 24. Sunny. High 76°24°, low 58°14°. Typical 77°25° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 69°21°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 59°15°
  Dry
Official NWS forecast
Day: Sunny, with a high near 76. Southwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 58. East wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–80°27°
Low, likely
54°12°–58°14°
Typical high / low
77°25° / 57°14°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
5
Sunday, Oct 25. Mostly sunny. High 80°27°, low 59°15°. Typical 77°25° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 81°27°
  Dry
3. Evening
  6 PM–midnight
  Clear, 70°21°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 60°16°
  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 59.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
79°26°–83°28°
Low, likely
54°12°–63°17°
Typical high / low
77°25° / 57°14°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 81°27°, low 57°14°. Typical 76°24° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Clear, 68°20°
  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 81.
Night: Mostly clear, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
79°26°–83°28°
Low, likely
54°12°–65°18°
Typical high / low
76°24° / 57°14°
Wind
10 mph17 km/h, gusts 20 mph32 km/h
UV peak
5
Tuesday, Oct 27. Partly sunny. High 79°26°, low 57°14°. Typical 76°24° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 57°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
  Partly cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 79.
Night: Partly cloudy, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–80°27°
Low, likely
49°9°–62°17°
Typical high / low
76°24° / 57°14°
Wind
11 mph17 km/h
UV peak
5
Wednesday, Oct 28. Partly sunny. High 76°24°, low 57°14°. Typical 76°24° / 56°13°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°25°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Night: Mostly cloudy, with a low around 57.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
73°23°–81°27°
Low, likely
49°9°–60°16°
Typical high / low
76°24° / 56°13°
Wind
12 mph19 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 73°23°, low 58°14°. Typical 76°24° / 56°13°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 61°16°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 73.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
70°21°–77°25°
Low, likely
53°12°–63°17°
Typical high / low
76°24° / 56°13°
Wind
11 mph18 km/h, gusts 20 mph32 km/h
UV peak
5
Friday, Oct 30. Cloudy. High 74°23°, low 59°15°. Typical 76°24° / 56°13°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 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
67°19°–77°25°
Low, likely
51°11°–65°18°
Typical high / low
76°24° / 56°13°
Wind
7 mph12 km/h, gusts 18 mph28 km/h
UV peak
5
Saturday, Oct 31. Cloudy. High 70°21°, low 60°16°. Typical 76°24° / 56°13°. Rain 0.73 in19 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 64°18°
  20% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Cloudy, 71°21°
  20% chance · 0.17 in4.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 67°20°
  30% chance · 0.67 in17 mm
4. Overnight
  midnight–6 AM
  Cloudy, 65°18°
  40% chance · 0.31 in8 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
61°16°–78°26°
Low, likely
56°13°–64°18°
Typical high / low
76°24° / 56°13°
Wind
9 mph14 km/h, gusts 15 mph25 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 74°23°, low 63°17°. Typical 76°24° / 56°13°. Rain 0.54 in14 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 66°19°
  40% chance · 0.44 in11 mm
2. Afternoon
  noon–6 PM
  Drizzle, 73°23°
  40% chance · 0.04 in0.9 mm
3. Evening
  6 PM–midnight
  Cloudy, 70°21°
  40% chance · 0.01 in0.3 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
70°21°–82°28°
Low, likely
55°13°–68°20°
Typical high / low
76°24° / 56°13°
Wind
9 mph15 km/h, gusts 20 mph32 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 57°.
Tomorrow
Dry, high 76°, low 58°, warming up.
Sunday
Dry, high 80°, low 59°, warming up.
Rest of week
Mostly dry, highs 70–81°.

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

For your home

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

Cooling this week

About 49% less cooling than a typical week.

This week 6Typical 12

Cooling degree days, base 65°F

Comfort

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

Open the windows?

Today, 9:00 AM–12:00 PM

Good stretch to open the windows.

Is this typical?

Long Beach Daugherty Airport · official normals 1991–2020 · records 1958–2026

Oct 23, today vs a typical year

Today’s expected high is 7°4° colder than typical.

Last 7 days vs normal

On average 6°3° warmer than normal (daily mean temperature).

+12°+6°SatOct 17
+6°+3°SunOct 18
+6°+3°MonOct 19
+4°+2°TueOct 20
+3°+1°WedOct 21
—ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 11 h 5 min; Losing 1 min 57 s a day; shortest Dec 21, 1 h 11 min less
Golden hour: 5:33–6:23 PM; Morning 6:47–7:37 AM
Blue hour: 6:23–6:33 PM; Morning 6:38–6:47 AM; first light 6:38 AM

Stars tonight? Poor

Clouds most of the night (about 33% cover).

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:23 AM · rises 4:36 PM
Full moon: Oct 25
New moon: Nov 8

Looking north from Fullerton. The highest point on the skyline is about 11,400 ft, 65 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.