Observed 3:55 AM PDT at KNUQ

Mountain View, CA weather

Overcast and 59°15°.

Forecasts agree

Now 59°15°

Cloudy

Wind: Calm; Up to 8 mph13 km/h through 5 PM
Dew point: 54°12°; Comfortable
UV index: 0Low; Moderate 1–3 PM · peak 4
Air quality: 33Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30 inHg1016 hPa; Rising slowly · +0.02 inHg+0.7 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Fog today 6–8 AM
Fog today 9–10 AM
Above 60°16° today by 11 AM
High 68°20° today at 3 PM
Below 60°16° tonight after 8 PM

This morningUp to 61°16° by 11 AM · Mostly cloudy
This afternoonUp to 68°20° by 3 PM · Partly cloudy
TonightDown to 49°9° by 5 AM · Clear
Tomorrow morningUp to 62°17° by 11 AM · Clear
Tomorrow afternoonUp to 71°22° by 4 PM · Clear
Tomorrow nightDown to 51°11° 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 5a	Cloudy	54°12° (likely 53°12° to 58°14°)	54°12°	0%	2 mph3 km/h from SW, gusts 4 mph7 km/h	96%	88%	0
Fri 6a	Fog	54°12° (likely 53°12° to 58°14°)	54°12°	0%	1 mph2 km/h from SW, gusts 5 mph8 km/h	96%	87%	0
Fri 7a	Fog	53°12° (likely 53°12° to 58°14°)	53°12°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	99%	83%	0
Fri 8a	Cloudy	54°12° (likely 53°12° to 58°14°)	54°12°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	100%	76%	0
Fri 9a	Fog	56°13° (likely 56°13° to 59°15°)	56°13°	0%	1 mph2 km/h from NNW, gusts 4 mph7 km/h	100%	61%	0
Fri 10a	Partly sunny	59°15° (likely 59°15° to 61°16°)	59°15°	0%	3 mph5 km/h from NNW, gusts 8 mph13 km/h	99%	66%	1
Fri 11a	Mostly sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	6 mph10 km/h from NNW, gusts 11 mph17 km/h	94%	55%	1
Fri 12p	Partly sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	7 mph11 km/h from NNW, gusts 12 mph19 km/h	89%	85%	2
Fri 1p	Partly sunny	65°18° (likely 64°18° to 65°18°)	65°18°	0%	7 mph11 km/h from N, gusts 13 mph21 km/h	86%	68%	4
Fri 2p	Partly sunny	66°19° (likely 65°18° to 66°19°)	66°19°	0%	8 mph13 km/h from NNW, gusts 14 mph23 km/h	82%	52%	4
Fri 3p	Partly sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	8 mph13 km/h from NNW, gusts 14 mph23 km/h	75%	56%	2
Fri 4p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	8 mph13 km/h from NNW, gusts 16 mph25 km/h	71%	17%	1
Fri 5p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	8 mph13 km/h from NNW, gusts 13 mph22 km/h	71%	11%	2
Fri 6p	Clear	65°18° (likely 62°17° to 65°18°)	65°18°	0%	7 mph11 km/h from NW, gusts 12 mph19 km/h	76%	3%	1
Fri 7p	Clear	61°16° (likely 58°14° to 61°16°)	61°16°	0%	6 mph10 km/h from NW, gusts 14 mph22 km/h	81%	0%	0
Fri 8p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	6 mph10 km/h from WNW, gusts 12 mph20 km/h	81%	0%	0
Fri 9p	Clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	5 mph8 km/h from WNW, gusts 9 mph15 km/h	81%	1%	0
Fri 10p	Clear	57°14° (likely 52°11° to 57°14°)	57°14°	0%	5 mph8 km/h from W, gusts 7 mph12 km/h	81%	0%	0
Fri 11p	Clear	56°13° (likely 51°11° to 56°13°)	56°13°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	81%	0%	0
Sat 12a	Clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	80%	0%	0
Sat 1a	Clear	55°13° (likely 49°9° to 55°13°)	55°13°	0%	2 mph3 km/h from W, gusts 7 mph12 km/h	78%	3%	0
Sat 2a	Clear	53°12° (likely 48°9° to 53°12°)	53°12°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	79%	0%	0
Sat 3a	Clear	52°11° (likely 47°8° to 53°12°)	52°11°	0%	2 mph3 km/h from WSW, gusts 6 mph10 km/h	77%	0%	0
Sat 4a	Clear	51°11° (likely 47°8° to 54°12°)	51°11°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	77%	0%	0
Sat 5a	Clear	49°9° (likely 46°8° to 54°12°)	49°9°	0%	2 mph3 km/h from SE, gusts 4 mph7 km/h	74%	0%	0
Sat 6a	Clear	49°9° (likely 45°7° to 54°12°)	49°9°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	75%	1%	0
Sat 7a	Sunny	49°9° (likely 45°7° to 53°12°)	49°9°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	76%	1%	0
Sat 8a	Sunny	49°9° (likely 45°7° to 53°12°)	49°9°	0%	2 mph3 km/h from NNE, gusts 6 mph9 km/h	72%	1%	0
Sat 9a	Sunny	54°12° (likely 49°9° to 57°14°)	54°12°	0%	2 mph3 km/h from NNE, gusts 7 mph12 km/h	69%	1%	1
Sat 10a	Sunny	58°14° (likely 55°13° to 62°17°)	59°15°	0%	2 mph3 km/h from NNE, gusts 9 mph14 km/h	62%	1%	2
Sat 11a	Sunny	62°17° (likely 60°16° to 65°18°)	62°17°	0%	3 mph5 km/h from N, gusts 9 mph15 km/h	54%	1%	3
Sat 12p	Sunny	65°18° (likely 63°17° to 67°19°)	65°18°	0%	3 mph5 km/h from N, gusts 10 mph15 km/h	48%	0%	4
Sat 1p	Sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	3 mph5 km/h from N, gusts 10 mph16 km/h	46%	1%	5
Sat 2p	Sunny	70°21° (likely 67°19° to 71°22°)	70°21°	0%	5 mph8 km/h from NNW, gusts 9 mph15 km/h	46%	1%	5
Sat 3p	Sunny	70°21° (likely 68°20° to 72°22°)	70°21°	0%	5 mph8 km/h from NNW, gusts 8 mph13 km/h	46%	0%	4
Sat 4p	Sunny	71°22° (likely 67°19° to 72°22°)	71°22°	0%	5 mph8 km/h from NNW, gusts 8 mph13 km/h	46%	16%	3
Sat 5p	Sunny	70°21° (likely 66°19° to 70°21°)	70°21°	0%	2 mph3 km/h from NNW, gusts 9 mph14 km/h	48%	40%	2
Sat 6p	Clear	67°19° (likely 63°17° to 67°19°)	67°19°	0%	2 mph3 km/h from NNW, gusts 9 mph14 km/h	56%	40%	1
Sat 7p	Clear	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from NNW, gusts 8 mph13 km/h	62%	35%	0
Sat 8p	Clear	60°16° (likely 56°13° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 4 mph7 km/h	66%	34%	0
Sat 9p	Clear	57°14° (likely 53°12° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	68%	35%	0
Sat 10p	Clear	56°13° (likely 52°11° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 5 mph7 km/h	69%	25%	0
Sat 11p	Clear	55°13° (likely 50°10° to 59°15°)	55°13°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	69%	14%	0
Sun 12a	Clear	54°12° (likely 47°8° to 62°17°)	55°13°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	70%	1%	0
Sun 1a	Clear	54°12° (likely 45°7° to 61°16°)	54°12°	0%	1 mph2 km/h from N, gusts 4 mph6 km/h	70%	1%	0
Sun 2a	Clear	53°12° (likely 44°7° to 61°16°)	53°12°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	70%	2%	0
Sun 3a	Clear	52°11° (likely 43°6° to 60°16°)	52°11°	0%	1 mph2 km/h from SE, gusts 3 mph4 km/h	70%	2%	0
Sun 4a	Clear	51°11° (likely 42°6° to 60°16°)	51°11°	0%	1 mph2 km/h from SE, gusts 3 mph4 km/h	70%	2%	0

Days ahead

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

Today, Oct 23. Fog. High 68°20°, low 53°12°. Typical 74°23° / 51°11°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Fog, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Official NWS forecast
Today: Areas of fog before 10am. Mostly sunny, with a high near 68. Northwest wind 1 to 8 mph.
Tonight: Patchy fog. Mostly cloudy, with a low around 53. Southwest wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–68°20°
Low, likely
51°11°–55°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 71°22°, low 48°9°. Typical 74°23° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Official NWS forecast
Day: Sunny, with a high near 71. North wind around 5 mph.
Night: Mostly clear, with a low around 48. North wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
45°7°–51°11°
Typical high / low
74°23° / 51°11°
Wind
6 mph10 km/h, gusts 24 mph38 km/h
UV peak
5
Sunday, Oct 25. Mostly sunny. High 73°23°, low 49°9°. Typical 74°23° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–75°24°
Low, likely
45°7°–56°13°
Typical high / low
74°23° / 51°11°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Monday, Oct 26. Fog. High 69°21°, low 48°9°. Typical 73°23° / 50°10°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog between 7am and 9am. Mostly sunny, with a high near 69.
Night: Mostly clear, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–72°22°
Low, likely
45°7°–56°13°
Typical high / low
73°23° / 50°10°
Wind
8 mph13 km/h, gusts 23 mph37 km/h
UV peak
4
Tuesday, Oct 27. Fog. High 68°20°, low 48°9°. Typical 73°23° / 50°10°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 9am. Mostly sunny, with a high near 68.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–68°20°
Low, likely
47°8°–54°12°
Typical high / low
73°23° / 50°10°
Wind
9 mph15 km/h, gusts 16 mph26 km/h
UV peak
4
Wednesday, Oct 28. Fog. High 68°20°, low 49°9°. Typical 73°23° / 50°10°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog between 7am and 9am. Partly sunny, with a high near 68.
Night: Mostly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
48°9°–53°12°
Typical high / low
73°23° / 50°10°
Wind
6 mph9 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Fog. High 66°19°, low 52°11°. Typical 72°22° / 50°10°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog between 7am and 10am. Mostly sunny, with a high near 66.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–66°19°
Low, likely
50°10°–55°13°
Typical high / low
72°22° / 50°10°
Wind
5 mph9 km/h, gusts 15 mph23 km/h
Friday, Oct 30. Cloudy. High 66°19°, low 52°11°. Typical 72°22° / 50°10°. Rain 0.13 in3.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  20% chance · 0.02 in0.5 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–68°20°
Low, likely
47°8°–55°13°
Typical high / low
72°22° / 50°10°
Wind
7 mph11 km/h, gusts 16 mph26 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 65°18°, low 54°12°. Typical 72°22° / 49°9°. Rain 0.23 in5.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  30% chance · 0.06 in1.4 mm
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  30% chance · 0.09 in2.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 61°16°
  30% chance · 0.08 in2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  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
59°15°–69°21°
Low, likely
51°11°–56°13°
Typical high / low
72°22° / 49°9°
Wind
5 mph9 km/h, gusts 14 mph22 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 67°19°, low 56°13°. Typical 72°22° / 49°9°. Rain 0.48 in12 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 58°15°
  30% chance · 0.2 in5.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  20% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  20% chance · 0.04 in1.1 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
51°11°–60°16°
Typical high / low
72°22° / 49°9°
Wind
9 mph15 km/h, gusts 27 mph43 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 68°, low 53°.
Tomorrow
Dry, high 71°, low 48°, warming up.
Sunday
Dry, high 73°, low 49°.
Rest of week
Mostly dry, highs 65–69°.

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

Stevens Creek above Hwy 85

0.6 mi

Below flood stage

Level: 2.6 ft

Reading from Fri 3:30 AM · NWS gauge page

Permanente Creek above Berry Avenue

2.7 mi

Below flood stage

Level: 2.3 ft
Flow: 25 cfs

Reading from Fri 3:15 AM · NWS gauge page

Hale Creek near Magdalena Avenue

3.0 mi

Below flood stage

Level: 1.1 ft
Flow: under 1 cfs

Reading from Fri 3:45 AM · NWS gauge page

Matadero Creek at Lambert Avenue

3.5 mi

Level: 2.5 ft
Flow: under 1 cfs

Reading from Fri 3:15 AM · NWS gauge page

For your home

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

Heating this week

About 38% less heating than a typical week.

This week 14Typical 22

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 54°F).

Open the windows?

Today, 3:00 PM–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 6°3° 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

Mountain View weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 56 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 21 min less
Golden hour: 5:44–6:36 PM; Morning 7:07–8:00 AM
Blue hour: 6:36–6:47 PM; Morning 6:57–7:07 AM; first light 6:57 AM

Stars tonight? Poor

Clouds most of the night (about 87% cover).

Moon

Waxing gibbous

91% lit · growing

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

Looking southwest from Mountain View. The highest point on the skyline is about 3,700 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 4.5× taller. Sky, sun and moon as they are now.

Mountain View, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Stevens Creek above Hwy 85

Permanente Creek above Berry Avenue

Hale Creek near Magdalena Avenue

Matadero Creek at Lambert 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? Poor

Moon