Observed 6:15 AM PDT at KNUQ

Los Altos Hills, CA weather

Overcast and 59°15°.

Mostly agree

Now 59°15°

Cloudy

Wind: Calm; Light through 6 PM
Dew point: 54°12°; Comfortable
UV index: 0Low; Moderate 12–4 PM · peak 4
Air quality: 23Good; Main pollutant: Ozone
Pressure: 30.03 inHg1017 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Fog until 8 AM
Fog today 9–10 AM
Above 60°16° today by 11 AM
High 69°21° today at 3 PM
Below 60°16° tonight after 8 PM

This morningUp to 61°16° by 11 AM · Partly cloudy
This afternoonUp to 69°21° by 3 PM · Partly cloudy
TonightDown to 48°9° by 5 AM · Clear
Tomorrow morningUp to 63°17° by 11 AM · Clear
Tomorrow afternoonUp to 73°23° by 4 PM · Clear
Tomorrow nightDown to 50°10° by 4 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 6a	Fog	52°11° (likely 51°11° to 58°14°)	52°11°	0%	1 mph2 km/h from SW, gusts 4 mph7 km/h	94%	71%	0
Fri 7a	Fog	52°11° (likely 51°11° to 58°14°)	52°11°	0%	0 mph0 km/h, gusts 3 mph6 km/h	97%	51%	0
Fri 8a	Mostly sunny	52°11° (likely 51°11° to 57°14°)	52°11°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	99%	36%	0
Fri 9a	Fog	55°13° (likely 55°13° to 58°14°)	55°13°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	99%	61%	0
Fri 10a	Mostly cloudy	58°14° (likely 58°14° to 60°16°)	58°14°	0%	2 mph3 km/h from N, gusts 8 mph13 km/h	96%	64%	1
Fri 11a	Cloudy	61°16° (likely 59°15° to 62°17°)	61°16°	0%	3 mph5 km/h from N, gusts 10 mph16 km/h	86%	76%	2
Fri 12p	Cloudy	65°18° (likely 60°16° to 65°18°)	65°18°	0%	3 mph5 km/h from N, gusts 13 mph20 km/h	75%	79%	3
Fri 1p	Partly sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	3 mph5 km/h from N, gusts 13 mph21 km/h	72%	47%	4
Fri 2p	Partly sunny	67°19° (likely 63°17° to 67°19°)	67°19°	0%	3 mph5 km/h from N, gusts 14 mph23 km/h	68%	41%	4
Fri 3p	Mostly sunny	69°21° (likely 64°18° to 69°21°)	69°21°	0%	3 mph5 km/h from N, gusts 14 mph23 km/h	59%	25%	3
Fri 4p	Sunny	69°21° (likely 64°18° to 69°21°)	69°21°	0%	2 mph3 km/h from NNW, gusts 15 mph24 km/h	55%	14%	1
Fri 5p	Sunny	68°20° (likely 64°18° to 68°20°)	68°20°	0%	2 mph3 km/h from NNW, gusts 13 mph20 km/h	56%	9%	2
Fri 6p	Clear	65°18° (likely 61°16° to 65°18°)	65°18°	0%	2 mph3 km/h from NW, gusts 11 mph18 km/h	60%	3%	1
Fri 7p	Clear	60°16° (likely 57°14° to 61°16°)	60°16°	0%	2 mph3 km/h from WNW, gusts 11 mph18 km/h	67%	0%	0
Fri 8p	Clear	58°14° (likely 54°12° to 59°15°)	58°14°	0%	2 mph3 km/h from W, gusts 11 mph17 km/h	67%	0%	0
Fri 9p	Clear	56°13° (likely 53°12° to 59°15°)	56°13°	0%	2 mph3 km/h from W, gusts 10 mph16 km/h	67%	1%	0
Fri 10p	Clear	55°13° (likely 52°11° to 58°14°)	55°13°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	67%	0%	0
Fri 11p	Clear	54°12° (likely 51°11° to 58°14°)	54°12°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	67%	0%	0
Sat 12a	Clear	53°12° (likely 50°10° to 58°14°)	53°12°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	65%	0%	0
Sat 1a	Clear	53°12° (likely 49°9° to 57°14°)	53°12°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	65%	0%	0
Sat 2a	Clear	51°11° (likely 49°9° to 55°13°)	51°11°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	67%	0%	0
Sat 3a	Clear	50°10° (likely 49°9° to 55°13°)	50°10°	0%	1 mph2 km/h from W, gusts 8 mph12 km/h	66%	0%	0
Sat 4a	Clear	50°10° (likely 50°10° to 55°13°)	50°10°	0%	1 mph2 km/h from W, gusts 7 mph12 km/h	66%	0%	0
Sat 5a	Clear	48°9° (likely 48°9° to 56°13°)	49°9°	0%	1 mph2 km/h from SSE, gusts 6 mph9 km/h	66%	0%	0
Sat 6a	Clear	49°9° (likely 49°9° to 54°12°)	49°9°	0%	1 mph2 km/h from SSE, gusts 6 mph9 km/h	64%	0%	0
Sat 7a	Sunny	48°9° (likely 48°9° to 54°12°)	48°9°	0%	1 mph2 km/h from SSE, gusts 8 mph12 km/h	66%	0%	0
Sat 8a	Sunny	48°9° (likely 48°9° to 54°12°)	49°9°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	62%	0%	0
Sat 9a	Sunny	54°12° (likely 54°12° to 61°16°)	54°12°	0%	2 mph3 km/h from NE, gusts 9 mph14 km/h	61%	0%	1
Sat 10a	Sunny	58°14° (likely 58°14° to 64°18°)	58°14°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	51%	0%	2
Sat 11a	Sunny	63°17° (likely 60°16° to 67°19°)	63°17°	0%	2 mph3 km/h from N, gusts 10 mph16 km/h	40%	0%	3
Sat 12p	Sunny	67°19° (likely 63°17° to 69°21°)	67°19°	0%	2 mph3 km/h from N, gusts 10 mph17 km/h	35%	0%	4
Sat 1p	Sunny	70°21° (likely 65°18° to 70°21°)	70°21°	0%	2 mph3 km/h from N, gusts 10 mph16 km/h	34%	1%	5
Sat 2p	Sunny	72°22° (likely 66°19° to 72°22°)	72°22°	0%	1 mph2 km/h from N, gusts 9 mph15 km/h	33%	1%	5
Sat 3p	Sunny	72°22° (likely 67°19° to 73°23°)	72°22°	0%	1 mph2 km/h from N, gusts 8 mph13 km/h	33%	1%	4
Sat 4p	Sunny	73°23° (likely 67°19° to 73°23°)	73°23°	0%	1 mph2 km/h from N, gusts 8 mph13 km/h	33%	35%	3
Sat 5p	Sunny	71°22° (likely 66°19° to 71°22°)	71°22°	0%	0 mph0 km/h, gusts 7 mph11 km/h	34%	40%	2
Sat 6p	Clear	68°20° (likely 62°17° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 6 mph10 km/h	40%	40%	1
Sat 7p	Clear	63°17° (likely 58°14° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 4 mph7 km/h	46%	39%	0
Sat 8p	Clear	59°15° (likely 55°13° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 5 mph9 km/h	49%	40%	0
Sat 9p	Clear	56°13° (likely 53°12° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	52%	35%	0
Sat 10p	Clear	55°13° (likely 52°11° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 6 mph9 km/h	53%	29%	0
Sat 11p	Clear	54°12° (likely 51°11° to 56°13°)	54°12°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	54%	10%	0
Sun 12a	Clear	53°12° (likely 50°10° to 56°13°)	53°12°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	55%	1%	0
Sun 1a	Clear	52°11° (likely 50°10° to 55°13°)	52°11°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	57%	1%	0
Sun 2a	Clear	52°11° (likely 50°10° to 55°13°)	52°11°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	58%	2%	0
Sun 3a	Clear	51°11° (likely 50°10° to 54°12°)	51°11°	0%	1 mph2 km/h from SE, gusts 3 mph6 km/h	59%	2%	0
Sun 4a	Clear	50°10° (likely 49°9° to 54°12°)	50°10°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	60%	2%	0
Sun 5a	Clear	50°10° (likely 48°9° to 54°12°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	61%	2%	0

Days ahead

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

Today, Oct 23. Fog. High 70°21°, low 48°9°. Typical 74°23° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Official NWS forecast
Today: Areas of fog before 10am. Partly sunny. High near 70, with temperatures falling to around 68 in the afternoon. North northwest wind 0 to 3 mph.
Tonight: Mostly clear, with a low around 48. West wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–70°21°
Low, likely
48°9°–56°13°
Typical high / low
74°23° / 51°11°
Wind
9 mph14 km/h, gusts 23 mph36 km/h
UV peak
5
Tomorrow, Oct 24. Mostly sunny. High 74°23°, low 48°9°. Typical 74°23° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Official NWS forecast
Day: Sunny. High near 74, with temperatures falling to around 71 in the afternoon. North northeast wind around 2 mph.
Night: Mostly clear, with a low around 48. North wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–74°23°
Low, likely
48°9°–53°12°
Typical high / low
74°23° / 51°11°
Wind
8 mph13 km/h, gusts 24 mph38 km/h
UV peak
5
Sunday, Oct 25. Mostly sunny. High 76°24°, low 48°9°. Typical 74°23° / 51°11°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 76. North wind around 1 mph.
Night: Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
69°21°–76°24°
Low, likely
48°9°–53°12°
Typical high / low
74°23° / 51°11°
Wind
5 mph8 km/h, gusts 15 mph24 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 72°22°, low 47°8°. Typical 73°23° / 50°10°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72.
Night: Mostly clear, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–73°23°
Low, likely
47°8°–53°12°
Typical high / low
73°23° / 50°10°
Wind
8 mph13 km/h, gusts 23 mph37 km/h
UV peak
4
Tuesday, Oct 27. Partly sunny. High 69°21°, low 47°8°. Typical 73°23° / 50°10°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Night: Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
45°7°–51°11°
Typical high / low
73°23° / 50°10°
Wind
8 mph13 km/h, gusts 19 mph30 km/h
UV peak
5
Wednesday, Oct 28. Partly sunny. High 69°21°, low 48°9°. Typical 73°23° / 50°10°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
47°8°–50°10°
Typical high / low
73°23° / 50°10°
Wind
6 mph9 km/h, gusts 15 mph24 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 68°20°, low 47°8°. Typical 72°22° / 50°10°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Partly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–68°20°
Low, likely
47°8°–52°11°
Typical high / low
72°22° / 50°10°
Wind
5 mph9 km/h, gusts 15 mph23 km/h
Friday, Oct 30. Cloudy. High 65°18°, low 50°10°. Typical 72°22° / 50°10°. Rain 0.14 in3.6 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°14°
  20% chance · 0.1 in2.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 52°11°
  20% chance · 0.03 in0.7 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–68°20°
Low, likely
46°8°–54°12°
Typical high / low
72°22° / 50°10°
Wind
7 mph12 km/h, gusts 21 mph34 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 65°18°, low 52°11°. Typical 72°22° / 49°9°. Rain 0.26 in6.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  30% chance · 0.06 in1.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  30% chance · 0.1 in2.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  30% chance · 0.12 in3 mm
4. Overnight
  midnight–6 AM
  Rain, 56°13°
  30% chance · 0.23 in5.7 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
58°14°–70°21°
Low, likely
51°11°–53°12°
Typical high / low
72°22° / 49°9°
Wind
5 mph9 km/h, gusts 13 mph22 km/h
UV peak
3
Sunday, Nov 1. Rain. High 66°19°, low 55°13°. Typical 72°22° / 49°9°. Rain 0.7 in18 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  30% chance · 0.23 in5.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  30% chance · 0.11 in2.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  30% chance · 0.26 in6.6 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
51°11°–59°15°
Typical high / low
72°22° / 49°9°
Wind
13 mph20 km/h, gusts 36 mph57 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 70°, low 48°.
Tomorrow
Dry, high 74°, low 48°, warming up.
Sunday
Dry, high 76°, low 48°.
Rest of week
Mostly dry, highs 65–72°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (MTR) (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 Francisquito Creek at Stanford University

4.8 mi

Below flood stage

Level: 0.3 ft
Flow: under 1 cfs

Forecast peak 0.3 ft Fri 7 AM

Reading from Fri 5:45 AM · NWS gauge page

Adobe Creek above Foothill College

0.8 mi

Level: 0.9 ft
Flow: 1 cfs

Reading from Fri 5:30 AM · NWS gauge page

Hale Creek near Magdalena Avenue

2.2 mi

Below flood stage

Level: 1.1 ft
Flow: under 1 cfs

Reading from Fri 5:45 AM · NWS gauge page

Permanente Creek above Berry Avenue

2.9 mi

Below flood stage

Level: 2.3 ft
Flow: 25 cfs

Reading from Fri 5:30 AM · NWS gauge page

For your home

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

Heating this week

About 31% less heating than a typical week.

This week 15Typical 22

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 54°F).

Open the windows?

Today, 11:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

San Jose · official normals 1991–2020 · records 1893–2026

Oct 23, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Last 7 days vs normal

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

+8°+4°SatOct 17
+1°±0°SunOct 18
±0°MonOct 19
−2°−1°TueOct 20
±0°WedOct 21
—ThuOct 22
—FriOct 23

Los Altos Hills weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 56 min; Losing 2 min 11 s a day; shortest Dec 21, 1 h 21 min less
Golden hour: 5:44–6:37 PM; Morning 7:08–8:00 AM
Blue hour: 6:37–6:47 PM; Morning 6:57–7:08 AM; first light 6:57 AM

Stars tonight? Unknown

Cloud forecast not available for tonight.

Moon

Waxing gibbous

92% lit · growing

Today: sets 4:40 AM · rises 4:52 PM
Full moon: Oct 25
New moon: Nov 8

Looking south from Los Altos Hills. The highest point on the skyline is about 3,400 ft, 20 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.

Los Altos 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

San Francisquito Creek at Stanford University

Adobe Creek above Foothill College

Hale Creek near Magdalena Avenue

Permanente Creek above Berry Avenue

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Unknown

Moon