Observed 12:00 AM PDT at KLGB

South San Jose Hills, CA weather

Clear and 63°17°, 13°7° colder than a typical Oct 23, jacket by 6 AM.

Forecasts agree

Now 63°17°

Clear

Wind: Calm; Up to 5 mph8 km/h through 12 PM
Dew point: 55°13°; A little sticky
UV index: 0Low; Moderate 10 AM–5 PM · peak 5
Air quality: 19Good; Main pollutant: Ozone
Pressure: 29.91 inHg1013 hPa; Steady over the last 3 h

None rain now, through the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 55°13° today at 6 AM
Above 70°21° today by 1 PM
High 76°24° today at 3 PM
Below 70°21° tonight after 6 PM

TonightNear 60°16° · Clear
This morningUp to 67°19° by 11 AM · Clear
This afternoonUp to 76°24° by 3 PM · Clear
TonightDown to 58°14° by 3 AM · Clear
Tomorrow morningUp to 71°22° by 11 AM · Clear
Tomorrow afternoonUp to 80°27° by 3 PM · Partly cloudy
Tomorrow nightDown to 71°22° by 10 PM · 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 12a	Clear	61°16° (likely 53°12° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 3 mph5 km/h	94%	1%	0
Sat 1a	Clear	61°16° (likely 52°11° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	95%	0%	0
Sat 2a	Clear	61°16° (likely 52°11° to 61°16°)	61°16°	0%	5 mph8 km/h from ENE, gusts 4 mph6 km/h	95%	0%	0
Sat 3a	Clear	58°14° (likely 51°11° to 58°14°)	58°14°	0%	5 mph8 km/h from ENE, gusts 3 mph6 km/h	96%	0%	0
Sat 4a	Clear	58°14° (likely 51°11° to 58°14°)	58°14°	0%	5 mph8 km/h from ENE, gusts 4 mph7 km/h	97%	0%	0
Sat 5a	Clear	58°14° (likely 51°11° to 58°14°)	58°14°	0%	5 mph8 km/h from ENE, gusts 5 mph7 km/h	97%	4%	0
Sat 6a	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	5 mph8 km/h from ENE, gusts 5 mph7 km/h	97%	11%	0
Sat 7a	Sunny	55°13° (likely 51°11° to 55°13°)	55°13°	0%	5 mph8 km/h from ENE, gusts 6 mph10 km/h	97%	14%	0
Sat 8a	Sunny	57°14° (likely 52°11° to 57°14°)	57°14°	0%	5 mph8 km/h from NNW, gusts 6 mph10 km/h	92%	2%	0
Sat 9a	Sunny	60°16° (likely 57°14° to 61°16°)	60°16°	0%	5 mph8 km/h from NNW, gusts 6 mph9 km/h	86%	2%	1
Sat 10a	Sunny	63°17° (likely 62°17° to 65°18°)	63°17°	0%	5 mph8 km/h from NNW, gusts 6 mph10 km/h	75%	2%	3
Sat 11a	Sunny	67°19° (likely 66°19° to 68°20°)	67°19°	0%	5 mph8 km/h from N, gusts 6 mph9 km/h	65%	2%	4
Sat 12p	Sunny	69°21° (likely 69°21° to 72°22°)	69°21°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	58%	1%	5
Sat 1p	Sunny	72°22° (likely 71°22° to 74°23°)	72°22°	0%	5 mph8 km/h from N, gusts 7 mph11 km/h	54%	1%	5
Sat 2p	Sunny	75°24° (likely 72°22° to 76°24°)	75°24°	0%	5 mph8 km/h from WSW, gusts 7 mph11 km/h	49%	2%	5
Sat 3p	Sunny	76°24° (likely 73°23° to 77°25°)	76°24°	0%	5 mph8 km/h from WSW, gusts 7 mph12 km/h	49%	1%	4
Sat 4p	Sunny	74°23° (likely 73°23° to 77°25°)	74°23°	0%	5 mph8 km/h from WSW, gusts 7 mph12 km/h	51%	1%	3
Sat 5p	Sunny	71°22° (likely 71°22° to 76°24°)	71°22°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	50%	0%	2
Sat 6p	Clear	68°20° (likely 67°19° to 73°23°)	68°20°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	59%	0%	0
Sat 7p	Clear	66°19° (likely 63°17° to 69°21°)	66°19°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	66%	0%	0
Sat 8p	Clear	66°19° (likely 60°16° to 67°19°)	66°19°	0%	5 mph8 km/h from NNW, gusts 7 mph11 km/h	72%	0%	0
Sat 9p	Clear	64°18° (likely 58°14° to 65°18°)	64°18°	0%	5 mph8 km/h from NNW, gusts 4 mph6 km/h	75%	0%	0
Sat 10p	Clear	63°17° (likely 57°14° to 63°17°)	63°17°	0%	5 mph8 km/h from NNW, gusts 4 mph6 km/h	77%	0%	0
Sat 11p	Clear	63°17° (likely 55°13° to 63°17°)	63°17°	0%	5 mph8 km/h from NE, gusts 4 mph7 km/h	79%	0%	0
Sun 12a	Clear	61°16° (likely 54°12° to 61°16°)	61°16°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	82%	0%	0
Sun 1a	Clear	59°15° (likely 53°12° to 59°15°)	59°15°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	81%	0%	0
Sun 2a	Clear	59°15° (likely 53°12° to 59°15°)	59°15°	0%	5 mph8 km/h from ENE, gusts 9 mph14 km/h	81%	0%	0
Sun 3a	Clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	5 mph8 km/h from ENE, gusts 8 mph13 km/h	81%	0%	0
Sun 4a	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	5 mph8 km/h from ENE, gusts 8 mph12 km/h	82%	0%	0
Sun 5a	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	5 mph8 km/h from NNE, gusts 7 mph11 km/h	81%	0%	0
Sun 6a	Clear	56°13° (likely 51°11° to 56°13°)	56°13°	0%	5 mph8 km/h from NNE, gusts 6 mph10 km/h	82%	0%	0
Sun 7a	Sunny	56°13° (likely 51°11° to 56°13°)	56°13°	0%	5 mph8 km/h from NNE, gusts 5 mph8 km/h	81%	0%	0
Sun 8a	Sunny	58°14° (likely 53°12° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	76%	0%	0
Sun 9a	Sunny	62°17° (likely 58°14° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 5 mph8 km/h	70%	0%	1
Sun 10a	Sunny	65°18° (likely 64°18° to 69°21°)	65°18°	0%	0 mph0 km/h, gusts 4 mph7 km/h	62%	0%	3
Sun 11a	Sunny	71°22° (likely 69°21° to 72°22°)	71°22°	0%	0 mph0 km/h, gusts 3 mph5 km/h	53%	0%	4
Sun 12p	Sunny	73°23° (likely 73°23° to 75°24°)	73°23°	0%	0 mph0 km/h, gusts 3 mph5 km/h	46%	0%	5
Sun 1p	Sunny	76°24° (likely 75°24° to 77°25°)	76°24°	0%	0 mph0 km/h, gusts 4 mph7 km/h	43%	40%	5
Sun 2p	Sunny	78°26° (likely 76°24° to 79°26°)	78°26°	0%	5 mph8 km/h from W, gusts 6 mph9 km/h	41%	40%	5
Sun 3p	Sunny	80°27° (likely 77°25° to 80°27°)	80°27°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	40%	35%	4
Sun 4p	Sunny	80°27° (likely 76°24° to 80°27°)	80°27°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	41%	31%	3
Sun 5p	Sunny	79°26° (likely 75°24° to 79°26°)	79°26°	0%	0 mph0 km/h, gusts 9 mph15 km/h	42%	27%	1
Sun 6p	Clear	77°25° (likely 71°22° to 77°25°)	77°25°	0%	0 mph0 km/h, gusts 8 mph13 km/h	51%	3%	0
Sun 7p	Clear	73°23° (likely 65°18° to 74°23°)	73°23°	0%	0 mph0 km/h, gusts 8 mph13 km/h	58%	3%	0
Sun 8p	Clear	72°22° (likely 61°16° to 73°23°)	72°22°	0%	0 mph0 km/h, gusts 5 mph8 km/h	63%	25%	0
Sun 9p	Mostly clear	72°22° (likely 57°14° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 4 mph6 km/h	67%	46%	0
Sun 10p	Mostly clear	71°22° (likely 54°12° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 4 mph7 km/h	70%	52%	0
Sun 11p	Mostly clear	71°22° (likely 53°12° to 71°22°)	71°22°	0%	5 mph8 km/h from NNE, gusts 4 mph6 km/h	72%	53%	0

Days ahead

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

Friday, Oct 23. Drizzle. High 69°21°, low 56°13°. Typical 82°28° / 58°14°. Rain 0.06 in1.5 mm, 60% chance. Forecasts agree.
1. Overnight
  midnight–6 AM
  Clear, 58°14°
  Dry
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–70°21°
Low, likely
53°12°–57°14°
Typical high / low
82°28° / 58°14°
Wind
9 mph14 km/h
UV peak
5
Today, Oct 24. Sunny. High 76°24°, low 55°13°. Typical 82°28° / 58°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, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 58°14°
  Dry
Official NWS forecast
Day: Sunny, with a high near 76. Northwest wind around 5 mph.
Night: Mostly clear, with a low around 55. East wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–77°25°
Low, likely
50°10°–55°13°
Typical high / low
82°28° / 58°14°
Wind
8 mph13 km/h, gusts 14 mph23 km/h
UV peak
5
Tomorrow, Oct 25. Mostly sunny. High 80°27°, low 58°14°. Typical 82°28° / 58°14°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 80°27°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 72°22°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Official NWS forecast
Day: Sunny, with a high near 80. West northwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 58. North northeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
77°25°–80°27°
Low, likely
50°10°–58°14°
Typical high / low
82°28° / 58°14°
Wind
8 mph13 km/h, gusts 14 mph23 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 81°27°, low 57°14°. Typical 82°28° / 58°14°. Dry. Forecasts 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, 65°18°
  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.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
78°26°–81°27°
Low, likely
50°10°–63°17°
Typical high / low
82°28° / 58°14°
Wind
11 mph18 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 80°27°, low 57°14°. Typical 82°28° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°25°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°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 80.
Night: Partly cloudy, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–80°27°
Low, likely
50°10°–60°16°
Typical high / low
82°28° / 57°14°
Wind
10 mph16 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 79°26°, low 57°14°. Typical 82°28° / 57°14°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 55°13°
  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, 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 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–79°26°
Low, likely
50°10°–60°16°
Typical high / low
82°28° / 57°14°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 75°24°, low 57°14°. Typical 82°28° / 57°14°. 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
  Partly 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: 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
69°21°–75°24°
Low, likely
52°11°–61°16°
Typical high / low
82°28° / 57°14°
Wind
12 mph20 km/h, gusts 21 mph33 km/h
UV peak
4
Friday, Oct 30. Showers. High 71°22°, low 58°14°. Typical 81°27° / 57°14°. Rain 0.11 in2.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  20% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 68°20°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 62°17°
  30% chance · 0.04 in1 mm
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  30% chance · 0.12 in3 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–71°22°
Low, likely
55°13°–61°16°
Typical high / low
81°27° / 57°14°
Wind
9 mph15 km/h, gusts 21 mph33 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 67°19°, low 57°14°. Typical 81°27° / 56°13°. Rain 0.28 in7.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  30% chance · 0.09 in2.3 mm
2. Afternoon
  noon–6 PM
  Sunny, 67°20°
  40% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Mostly clear, 62°17°
  40% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  40% 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
62°17°–73°23°
Low, likely
53°12°–62°17°
Typical high / low
81°27° / 56°13°
Wind
10 mph16 km/h, gusts 21 mph34 km/h
UV peak
5
Sunday, Nov 1. Cloudy. High 73°23°, low 55°13°. Typical 81°27° / 56°13°. Rain 0.12 in3 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 59°15°
  40% chance
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  50% chance
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  40% chance · 0.16 in4 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
67°19°–82°28°
Low, likely
48°9°–64°18°
Typical high / low
81°27° / 56°13°
Wind
5 mph9 km/h, gusts 12 mph20 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
62% chance of rain, high 69°, low 56°.
Tomorrow
Dry, high 76°, low 55°, warming up.
Sunday
Dry, high 80°, low 58°, warming up.
Rest of week
Highs 67–81°; chance of precipitation on Saturday.

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

Walnut Creek

3.7 mi

Level: 0.1 ft

Reading from Fri 10:30 PM · NWS gauge page

Big Dalton Wash

5.5 mi

Level: 0.2 ft

Reading from Fri 10:30 PM · NWS gauge page

Puddingstone Dam

7.7 mi

Level: 0.2 ft

Reading from Fri 10:10 PM · NWS gauge page

San Gabriel River above Whittier Narrows Dam

7.7 mi

Level: 4.5 ft
Flow: 261 cfs

Reading from Fri 10:30 PM · NWS gauge page

For your home

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

Cooling this week

About 77% less cooling than a typical week.

This week 8Typical 34

Cooling degree days, base 65°F

Comfort

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

Open the windows?

Today, 1:00 AM–2:00 AM

Good stretch to open the windows.

Is this typical?

ANAHEIM · official normals 1991–2020 · records 1989–2026

Oct 24, today vs a typical year

Today’s expected high is 13°7° colder than typical.

Last 7 days vs normal

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

South San Jose Hills weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 2 min; Losing 2 min 2 s a day; shortest Dec 21, 1 h 9 min less
Golden hour: 5:32–6:22 PM; Morning 6:48–7:38 AM
Blue hour: 6:22–6:32 PM; Morning 6:38–6:48 AM; first light 6:38 AM

Stars tonight? Good

Clear 12:20–6:38 AM; moon 96% lit, sets 5:27 AM.

Moon

Waxing gibbous

95% lit · growing

Today: sets 5:26 AM · rises 5:05 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from South San Jose Hills. The highest point on the skyline is about 11,400 ft, 62 mi away.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.

South San Jose Hills, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Walnut Creek

Big Dalton Wash

Puddingstone Dam

San Gabriel River above Whittier Narrows 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? Good

Moon