Model estimate for 12:00 AM PDT (no recent station report)

Ben Lomond, CA weather

Clear and 50°10°.

Forecasts differ

Now 50°10°

Clear

Wind: Calm; Light through 12 PM
Dew point: 46°8°; Comfortable · down to 38°3° by 5 AM
UV index: 0Low; Moderate 11 AM–5 PM · peak 5
Air quality: 29Good; Main pollutant: PM2.5 (fine particles)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 42°6° tonight at 5 AM
Above 60°16° today by 11 AM
High 76°24° today at 3 PM
Below 60°16° tonight after 8 PM

TonightDown to 42°6° by 5 AM · Clear
This morningUp to 62°17° by 11 AM · Clear
This afternoonUp to 76°24° by 3 PM · Clear
TonightDown to 46°8° by 4 AM · Clear
Tomorrow morningUp to 65°18° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 77°25° by 3 PM · Mostly cloudy
Tomorrow nightDown to 52°11° by 11 PM · Mostly 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	50°10° (likely 50°10° to 56°13°)	50°10°	0%	2 mph3 km/h from NNW, gusts 10 mph17 km/h	84%	0%	0
Sat 1a	Clear	49°9° (likely 49°9° to 56°13°)	49°9°	0%	1 mph2 km/h from N, gusts 8 mph13 km/h	85%	0%	0
Sat 2a	Clear	46°8° (likely 46°8° to 54°12°)	46°8°	0%	1 mph2 km/h from N, gusts 7 mph11 km/h	87%	0%	0
Sat 3a	Clear	45°7° (likely 45°7° to 53°12°)	45°7°	0%	1 mph2 km/h from N, gusts 7 mph12 km/h	86%	1%	0
Sat 4a	Clear	44°7° (likely 44°7° to 52°11°)	44°7°	0%	1 mph2 km/h from N, gusts 7 mph11 km/h	86%	3%	0
Sat 5a	Clear	42°6° (likely 42°6° to 52°11°)	42°6°	0%	1 mph2 km/h from N, gusts 8 mph13 km/h	86%	3%	0
Sat 6a	Clear	42°6° (likely 42°6° to 51°11°)	42°6°	0%	1 mph2 km/h from N, gusts 9 mph15 km/h	84%	3%	0
Sat 7a	Sunny	42°6° (likely 42°6° to 51°11°)	42°6°	0%	1 mph2 km/h from N, gusts 10 mph16 km/h	84%	1%	0
Sat 8a	Sunny	42°6° (likely 42°6° to 52°11°)	42°6°	0%	2 mph3 km/h from N, gusts 10 mph16 km/h	83%	0%	0
Sat 9a	Sunny	47°8° (likely 47°8° to 59°15°)	47°8°	0%	2 mph3 km/h from NNE, gusts 9 mph15 km/h	72%	0%	1
Sat 10a	Sunny	55°13° (likely 55°13° to 65°18°)	55°13°	0%	1 mph2 km/h from NE, gusts 11 mph18 km/h	62%	0%	2
Sat 11a	Sunny	62°17° (likely 62°17° to 69°21°)	62°17°	0%	1 mph2 km/h from ENE, gusts 10 mph17 km/h	53%	0%	3
Sat 12p	Sunny	69°21° (likely 65°18° to 73°23°)	69°21°	0%	2 mph3 km/h from E, gusts 9 mph14 km/h	44%	0%	4
Sat 1p	Sunny	72°22° (likely 66°19° to 76°24°)	72°22°	0%	2 mph3 km/h from ESE, gusts 8 mph13 km/h	40%	0%	5
Sat 2p	Sunny	74°23° (likely 66°19° to 77°25°)	74°23°	0%	1 mph2 km/h from ESE, gusts 7 mph11 km/h	38%	0%	5
Sat 3p	Sunny	76°24° (likely 67°19° to 76°24°)	76°24°	0%	1 mph2 km/h from SSE, gusts 7 mph11 km/h	38%	0%	4
Sat 4p	Sunny	74°23° (likely 67°19° to 74°23°)	75°24°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	38%	0%	3
Sat 5p	Sunny	73°23° (likely 65°18° to 73°23°)	73°23°	0%	1 mph2 km/h from N, gusts 6 mph10 km/h	42%	0%	2
Sat 6p	Clear	69°21° (likely 61°16° to 69°21°)	69°21°	0%	0 mph0 km/h, gusts 5 mph8 km/h	51%	1%	1
Sat 7p	Clear	62°17° (likely 58°14° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 7 mph11 km/h	58%	14%	0
Sat 8p	Clear	58°14° (likely 56°13° to 61°16°)	58°14°	0%	1 mph2 km/h from NNW, gusts 8 mph12 km/h	64%	6%	0
Sat 9p	Clear	56°13° (likely 54°12° to 59°15°)	56°13°	0%	0 mph0 km/h, gusts 7 mph12 km/h	68%	0%	0
Sat 10p	Clear	54°12° (likely 53°12° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	71%	2%	0
Sat 11p	Clear	52°11° (likely 52°11° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	73%	2%	0
Sun 12a	Clear	50°10° (likely 50°10° to 53°12°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	75%	1%	0
Sun 1a	Clear	50°10° (likely 50°10° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	76%	0%	0
Sun 2a	Clear	48°9° (likely 48°9° to 53°12°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	79%	1%	0
Sun 3a	Clear	47°8° (likely 47°8° to 53°12°)	47°8°	0%	0 mph0 km/h, gusts 5 mph8 km/h	78%	2%	0
Sun 4a	Clear	46°8° (likely 46°8° to 53°12°)	46°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	79%	9%	0
Sun 5a	Cloudy	46°8° (likely 46°8° to 53°12°)	46°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	78%	55%	0
Sun 6a	Partly cloudy	44°7° (likely 44°7° to 53°12°)	44°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	52%	0
Sun 7a	Partly sunny	44°7° (likely 44°7° to 54°12°)	44°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	81%	50%	0
Sun 8a	Partly sunny	44°7° (likely 44°7° to 55°13°)	44°7°	0%	0 mph0 km/h, gusts 4 mph7 km/h	82%	47%	0
Sun 9a	Partly sunny	49°9° (likely 49°9° to 59°15°)	49°9°	0%	0 mph0 km/h, gusts 3 mph6 km/h	73%	50%	1
Sun 10a	Partly sunny	58°14° (likely 58°14° to 63°17°)	58°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	66%	57%	2
Sun 11a	Partly sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	1 mph2 km/h from SSW, gusts 6 mph9 km/h	55%	72%	3
Sun 12p	Cloudy	72°22° (likely 66°19° to 72°22°)	72°22°	0%	1 mph2 km/h from SSW, gusts 6 mph10 km/h	45%	79%	4
Sun 1p	Cloudy	74°23° (likely 67°19° to 74°23°)	75°24°	0%	1 mph2 km/h from SSW, gusts 7 mph11 km/h	42%	82%	4
Sun 2p	Cloudy	76°24° (likely 68°20° to 76°24°)	76°24°	0%	1 mph2 km/h from SW, gusts 8 mph13 km/h	41%	81%	4
Sun 3p	Cloudy	77°25° (likely 67°19° to 77°25°)	77°25°	0%	1 mph2 km/h from SW, gusts 8 mph13 km/h	41%	79%	4
Sun 4p	Cloudy	74°23° (likely 66°19° to 74°23°)	75°24°	0%	1 mph2 km/h from SW, gusts 8 mph12 km/h	44%	81%	3
Sun 5p	Cloudy	72°22° (likely 64°18° to 72°22°)	72°22°	0%	0 mph0 km/h, gusts 7 mph11 km/h	48%	84%	2
Sun 6p	Cloudy	68°20° (likely 60°16° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 6 mph9 km/h	59%	82%	1
Sun 7p	Cloudy	63°17° (likely 54°12° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 4 mph7 km/h	68%	78%	0
Sun 8p	Mostly clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	74%	73%	0
Sun 9p	Mostly clear	55°13° (likely 53°12° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph7 km/h	80%	62%	0
Sun 10p	Mostly clear	53°12° (likely 52°11° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	84%	47%	0
Sun 11p	Mostly clear	52°11° (likely 51°11° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	88%	47%	0

Days ahead

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

Today, Oct 24. Sunny. High 76°24°, low 41°5°. Typical 81°27° / 43°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Official NWS forecast
Today: Sunny. High near 76, with temperatures falling to around 73 in the afternoon. Northeast wind around 2 mph.
Tonight: Mostly clear, with a low around 41. North wind around 2 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–77°25°
Low, likely
41°5°–51°11°
Typical high / low
81°27° / 43°6°
Wind
7 mph11 km/h, gusts 21 mph33 km/h
UV peak
5
Tomorrow, Oct 25. Partly sunny. High 78°26°, low 42°6°. Typical 80°27° / 42°6°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Partly sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 78. West southwest wind around 1 mph.
Night: Areas of fog after 1am. Partly cloudy, with a low around 42. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 78°26°).
High, likely
67°19°–78°26°
Low, likely
42°6°–51°11°
Typical high / low
80°27° / 42°6°
Wind
7 mph12 km/h, gusts 16 mph25 km/h
UV peak
4
Monday, Oct 26. Fog. High 74°23°, low 40°4°. Typical 80°27° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  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: Areas of fog before 9am. Sunny, with a high near 74.
Night: Areas of fog after 2am. Mostly clear, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–74°23°
Low, likely
40°4°–50°10°
Typical high / low
80°27° / 42°6°
Wind
10 mph16 km/h, gusts 25 mph40 km/h
UV peak
5
Tuesday, Oct 27. Fog. High 73°23°, low 41°5°. Typical 80°27° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 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: Areas of fog before 9am. Sunny, with a high near 73.
Night: Areas of fog after 1am. Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–73°23°
Low, likely
41°5°–48°9°
Typical high / low
80°27° / 42°6°
Wind
8 mph14 km/h, gusts 19 mph30 km/h
UV peak
5
Wednesday, Oct 28. Fog. High 72°22°, low 42°6°. Typical 79°26° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 9am. Mostly sunny, with a high near 72.
Night: Areas of fog after 1am. Mostly cloudy, with a low around 42.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–72°22°
Low, likely
42°6°–48°9°
Typical high / low
79°26° / 42°6°
Wind
10 mph16 km/h, gusts 17 mph27 km/h
UV peak
4
Thursday, Oct 29. Rain. High 68°20°, low 42°6°. Typical 79°26° / 42°6°. Rain, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  20% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 10am, then a slight chance of rain. Partly sunny, with a high near 68.
Night: A chance of rain before 2am, then a chance of rain and patchy fog. Partly cloudy, with a low around 42.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–68°20°
Low, likely
42°6°–52°11°
Typical high / low
79°26° / 42°6°
Wind
8 mph13 km/h, gusts 15 mph23 km/h
UV peak
4
Friday, Oct 30. Rain. High 68°20°, low 48°9°. Typical 78°26° / 42°6°. Rain 0.05 in1.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 50°10°
  30% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 61°16°
  30% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 52°11°
  30% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and patchy fog. Partly sunny, with a high near 68.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–68°20°
Low, likely
46°8°–51°11°
Typical high / low
78°26° / 42°6°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 63°17°, low 46°8°. Typical 78°26° / 42°6°. Rain 0.04 in1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 50°10°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 54°12°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–69°21°
Low, likely
44°7°–49°9°
Typical high / low
78°26° / 42°6°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Sunday, Nov 1. Drizzle. High 66°19°, low 47°8°. Typical 78°26° / 42°6°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  30% chance
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 55°13°
  30% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 51°10°
  20% 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°–75°24°
Low, likely
45°7°–52°11°
Typical high / low
78°26° / 42°6°
Wind
7 mph12 km/h, gusts 20 mph32 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 67°19°, low 50°10°. Typical 77°25° / 41°5°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 56°13°
  20% chance
2. Afternoon
  noon–6 PM
  Mostly sunny, 69°20°
  20% chance
3. Evening
  6 PM–midnight
  Partly cloudy, 56°13°
  20% 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
47°8°–54°12°
Typical high / low
77°25° / 41°5°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 41°.
Tomorrow
Dry, high 78°, low 42°.
Monday
Dry, high 74°, low 40°, cooling off.
Rest of week
Mostly dry, highs 63–73°.

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 Lorenzo River (CA) at Big Trees

2.5 mi

Below flood stage

Level: 3.2 ft
Flow: 18 cfs

Forecast peak 3.1 ft Sat 12 AM

Reading from Fri 10:45 PM · NWS gauge page

San Lorenzo River (CA) at Lomond Street Bridge

3.7 mi

Below flood stage

Level: 0.4 ft

Reading from Fri 11:05 PM · NWS gauge page

San Lorenzo River (CA) at Santa Cruz

6.8 mi

Below flood stage

Level: 1.8 ft
Flow: 16 cfs

Reading from Fri 11 PM · NWS gauge page

Los Gatos Creek above Ryland Dam

8.5 mi

Level: 5.4 ft
Flow: 4 cfs

Reading from Fri 10:45 PM · NWS gauge page

For your home

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

Heating this week

About 32% less heating than a typical week.

This week 20Typical 29

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 14
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 4 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 11:00 AM–7:00 PM

Good stretch to open the windows.

Is this typical?

BEN LOMOND NO. 4 · official normals 1991–2020 · records 1937–2026

Oct 24, today vs a typical year

Today’s expected high is 5°3° colder than typical.

Last 7 days vs normal

On average 2°1° warmer than normal (daily mean temperature).

—SatOct 17
+8°+4°SunOct 18
—MonOct 19
−3°−2°TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23

Ben Lomond weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 55 min; Losing 2 min 7 s a day; shortest Dec 21, 1 h 18 min less
Golden hour: 5:43–6:35 PM; Morning 7:08–8:00 AM
Blue hour: 6:35–6:46 PM; Morning 6:58–7:08 AM; first light 6:58 AM

Stars tonight? Good

Clear 12:28–6:58 AM; moon 96% lit, sets 5:46 AM.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:46 AM · rises 5:19 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Ben Lomond. The highest point on the skyline is about 3,700 ft, 14 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Ben Lomond, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

San Lorenzo River (CA) at Big Trees

San Lorenzo River (CA) at Lomond Street Bridge

San Lorenzo River (CA) at Santa Cruz

Los Gatos Creek above Ryland Dam

For your home

Heating this week

Heat-pump hours, next 7 days

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