Model estimate for 5:00 PM PDT (no recent station report)

Boulder Creek, CA weather

Sunny and 73°23°.

Forecasts differ

Now 73°23°

Sunny

Wind: Calm; Light through 5 AM
Dew point: 45°7°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–5 PM · peak 4
Air quality: 9Good; Main pollutant: PM2.5 (fine particles)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 60°16° tonight after 8 PM
Low 47°8° tomorrow at 6 AM
Above 60°16° tomorrow by 10 AM
High 75°24° tomorrow at 2 PM

TonightDown to 49°9° by 3 AM · Clear
Tomorrow morningUp to 68°20° by 11 AM · Partly cloudy
Tomorrow afternoonNear 72°22° · Mostly cloudy
Tomorrow nightDown to 46°8° by 5 AM · Partly cloudy
Monday morningUp to 63°17° by 11 AM · Partly cloudy
Monday afternoonNear 69°21° · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 5p	Sunny	73°23° (likely 66°19° to 73°23°)	73°23°	0%	2 mph3 km/h from NNW, gusts 4 mph7 km/h	36%	2%	2
Sat 6p	Clear	69°21° (likely 62°17° to 69°21°)	69°21°	0%	2 mph3 km/h from NNW, gusts 6 mph9 km/h	44%	0%	1
Sat 7p	Clear	62°17° (likely 58°14° to 63°17°)	62°17°	0%	1 mph2 km/h from NW, gusts 8 mph13 km/h	50%	0%	0
Sat 8p	Clear	59°15° (likely 55°13° to 61°16°)	59°15°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	57%	0%	0
Sat 9p	Clear	56°13° (likely 54°12° to 59°15°)	56°13°	0%	1 mph2 km/h from NNW, gusts 6 mph9 km/h	62%	0%	0
Sat 10p	Clear	54°12° (likely 53°12° to 58°14°)	54°12°	0%	1 mph2 km/h from N, gusts 5 mph7 km/h	65%	0%	0
Sat 11p	Clear	53°12° (likely 52°11° to 57°14°)	53°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	66%	0%	0
Sun 12a	Clear	52°11° (likely 51°11° to 57°14°)	52°11°	0%	0 mph0 km/h, gusts 5 mph7 km/h	66%	0%	0
Sun 1a	Clear	51°11° (likely 51°11° to 56°13°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	66%	0%	0
Sun 2a	Clear	51°11° (likely 51°11° to 56°13°)	51°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	67%	0%	0
Sun 3a	Clear	49°9° (likely 49°9° to 56°13°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	67%	4%	0
Sun 4a	Clear	49°9° (likely 49°9° to 56°13°)	49°9°	0%	0 mph0 km/h, gusts 4 mph7 km/h	67%	10%	0
Sun 5a	Partly cloudy	49°9° (likely 49°9° to 55°13°)	49°9°	0%	0 mph0 km/h, gusts 4 mph7 km/h	67%	22%	0
Sun 6a	Partly cloudy	47°8° (likely 47°8° to 55°13°)	47°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	67%	22%	0
Sun 7a	Partly sunny	48°9° (likely 48°9° to 54°12°)	48°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	68%	28%	0
Sun 8a	Cloudy	49°9° (likely 49°9° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	66%	62%	0
Sun 9a	Partly sunny	53°12° (likely 53°12° to 59°15°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	63%	75%	1
Sun 10a	Partly sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	0 mph0 km/h, gusts 5 mph8 km/h	58%	75%	2
Sun 11a	Partly sunny	68°20° (likely 65°18° to 68°20°)	69°21°	0%	0 mph0 km/h, gusts 5 mph9 km/h	49%	73%	3
Sun 12p	Cloudy	72°22° (likely 67°19° to 72°22°)	72°22°	0%	1 mph2 km/h from SE, gusts 7 mph12 km/h	43%	72%	4
Sun 1p	Cloudy	74°23° (likely 68°20° to 74°23°)	74°23°	0%	1 mph2 km/h from SSE, gusts 8 mph12 km/h	40%	78%	4
Sun 2p	Cloudy	75°24° (likely 67°19° to 75°24°)	75°24°	0%	1 mph2 km/h from S, gusts 8 mph12 km/h	40%	83%	4
Sun 3p	Cloudy	74°23° (likely 66°19° to 74°23°)	74°23°	0%	2 mph3 km/h from SSW, gusts 8 mph13 km/h	42%	82%	4
Sun 4p	Cloudy	73°23° (likely 65°18° to 73°23°)	73°23°	0%	2 mph3 km/h from SW, gusts 7 mph12 km/h	44%	78%	3
Sun 5p	Cloudy	72°22° (likely 63°17° to 72°22°)	72°22°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	46%	73%	1
Sun 6p	Cloudy	66°19° (likely 60°16° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 6 mph9 km/h	55%	77%	0
Sun 7p	Partly cloudy	61°16° (likely 57°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	63%	77%	0
Sun 8p	Partly cloudy	58°14° (likely 55°13° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	70%	81%	0
Sun 9p	Partly cloudy	56°13° (likely 53°12° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	76%	58%	0
Sun 10p	Mostly clear	54°12° (likely 52°11° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	80%	30%	0
Sun 11p	Clear	52°11° (likely 51°11° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	20%	0
Mon 12a	Clear	51°11° (likely 50°10° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	85%	21%	0
Mon 1a	Clear	50°10° (likely 48°9° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 3 mph5 km/h	87%	25%	0
Mon 2a	Mostly clear	48°9° (likely 47°8° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 5 mph9 km/h	87%	25%	0
Mon 3a	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 7 mph12 km/h	88%	31%	0
Mon 4a	Partly cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 9 mph14 km/h	90%	48%	0
Mon 5a	Clear	46°8° (likely 46°8° to 51°11°)	46°8°	0%	0 mph0 km/h, gusts 10 mph16 km/h	91%	33%	0
Mon 6a	Clear	46°8° (likely 46°8° to 51°11°)	46°8°	0%	0 mph0 km/h, gusts 10 mph16 km/h	92%	31%	0
Mon 7a	Partly sunny	46°8° (likely 46°8° to 51°11°)	46°8°	0%	0 mph0 km/h, gusts 10 mph17 km/h	92%	41%	0
Mon 8a	Sunny	46°8° (likely 46°8° to 51°11°)	46°8°	0%	2 mph3 km/h from N, gusts 10 mph17 km/h	92%	35%	0
Mon 9a	Sunny	51°11° (likely 51°11° to 55°13°)	51°11°	0%	2 mph3 km/h from N, gusts 13 mph21 km/h	85%	30%	1
Mon 10a	Sunny	57°14° (likely 57°14° to 61°16°)	57°14°	0%	2 mph3 km/h from N, gusts 14 mph22 km/h	76%	19%	2
Mon 11a	Mostly sunny	63°17° (likely 61°16° to 64°18°)	63°17°	0%	5 mph8 km/h from NW, gusts 13 mph20 km/h	67%	21%	3
Mon 12p	Mostly sunny	67°19° (likely 64°18° to 69°21°)	67°19°	0%	5 mph8 km/h from NW, gusts 13 mph20 km/h	61%	20%	4
Mon 1p	Mostly sunny	69°21° (likely 66°19° to 71°22°)	69°21°	0%	5 mph8 km/h from NW, gusts 13 mph21 km/h	56%	17%	5
Mon 2p	Mostly sunny	70°21° (likely 66°19° to 72°22°)	70°21°	0%	5 mph8 km/h from NW, gusts 13 mph22 km/h	53%	13%	5
Mon 3p	Sunny	70°21° (likely 65°18° to 71°22°)	70°21°	0%	5 mph8 km/h from NW, gusts 14 mph23 km/h	50%	12%	4
Mon 4p	Mostly sunny	70°21° (likely 62°17° to 70°21°)	69°21°	0%	5 mph8 km/h from NW, gusts 14 mph22 km/h	50%	10%	3

Days ahead

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

Today, Oct 24. Sunny. High 77°25°, low 46°8°. Typical 81°27° / 43°6°. Dry. Forecasts differ.
1. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Official NWS forecast
Today: Sunny. High near 77, with temperatures falling to around 73 in the afternoon. North northwest wind around 2 mph.
Tonight: Mostly clear. Low around 46, with temperatures rising to around 49 overnight. East southeast wind around 2 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–77°25°
Low, likely
45°7°–53°12°
Typical high / low
81°27° / 43°6°
Wind
9 mph14 km/h, gusts 21 mph33 km/h
UV peak
5
Tomorrow, Oct 25. Partly sunny. High 76°24°, low 44°7°. Typical 80°27° / 42°6°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Partly sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Official NWS forecast
Day: Mostly sunny. High near 76, with temperatures falling to around 72 in the afternoon. South southeast wind around 2 mph.
Night: Partly cloudy, with a low around 44. 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 76°24°).
High, likely
68°20°–76°24°
Low, likely
44°7°–52°11°
Typical high / low
80°27° / 42°6°
Wind
7 mph10 km/h, gusts 15 mph25 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 71°22°, low 43°6°. Typical 80°27° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Official NWS forecast
Day: Sunny, with a high near 71. North northwest wind 0 to 6 mph.
Night: Mostly clear, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–71°22°
Low, likely
43°6°–50°10°
Typical high / low
80°27° / 42°6°
Wind
10 mph15 km/h, gusts 26 mph41 km/h
UV peak
5
Tuesday, Oct 27. Cloudy. High 70°21°, low 44°7°. Typical 80°27° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 8am. Sunny, with a high near 70.
Night: Partly cloudy, with a low around 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–70°21°
Low, likely
44°7°–50°10°
Typical high / low
80°27° / 42°6°
Wind
10 mph16 km/h, gusts 28 mph45 km/h
UV peak
5
Wednesday, Oct 28. Mostly cloudy. High 67°19°, low 45°7°. Typical 79°26° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 67.
Night: Mostly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–68°20°
Low, likely
45°7°–50°10°
Typical high / low
79°26° / 42°6°
Wind
7 mph12 km/h, gusts 18 mph29 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 65°18°, low 43°6°. Typical 79°26° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°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 65.
Night: A slight chance of rain after 5am. Partly cloudy, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–66°19°
Low, likely
43°6°–50°10°
Typical high / low
79°26° / 42°6°
Wind
8 mph13 km/h, gusts 19 mph31 km/h
UV peak
3
Friday, Oct 30. Rain. High 65°18°, low 42°6°. Typical 78°26° / 42°6°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Mostly sunny, with a high near 65.
Night: A chance of rain. Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–65°18°
Low, likely
42°6°–47°8°
Typical high / low
78°26° / 42°6°
Wind
12 mph19 km/h, gusts 28 mph45 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 58°14°, low 44°7°. Typical 78°26° / 42°6°. Rain 0.07 in1.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 46°8°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 44°7°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–60°16°
Low, likely
42°6°–46°8°
Typical high / low
78°26° / 42°6°
Wind
8 mph13 km/h, gusts 22 mph36 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 62°17°, low 43°6°. Typical 78°26° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  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
58°14°–66°19°
Low, likely
41°5°–46°8°
Typical high / low
78°26° / 42°6°
Wind
9 mph14 km/h, gusts 23 mph37 km/h
UV peak
4
Monday, Nov 2. Partly sunny. High 62°17°, low 46°8°. Typical 77°25° / 41°5°. Rain 0.02 in0.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 52°11°
  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
59°15°–70°21°
Low, likely
45°7°–49°9°
Typical high / low
77°25° / 41°5°
Wind
6 mph9 km/h, gusts 18 mph29 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 77°, low 46°.
Tomorrow
Dry, high 76°, low 44°.
Monday
Dry, high 71°, low 43°, cooling off.
Rest of week
Mostly dry, highs 58–70°.

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

6.9 mi

Below flood stage

Level: 3.2 ft
Flow: 18 cfs

Forecast peak 3.2 ft Sat 5 PM

Reading from Sat 3:45 PM · NWS gauge page

San Lorenzo River (CA) at Lomond Street Bridge

0.7 mi

Below flood stage

Level: 0.3 ft

Reading from Sat 4:05 PM · NWS gauge page

Guadalupe River MCKENZIE

7.1 mi

Level: 3.4 ft

Reading from Sat 4:15 PM · NWS gauge page

Guadalupe River Lake Ranch

7.2 mi

Level: 10.0 ft
Flow: 28 cfs

Reading from Sat 4:15 PM · NWS gauge page

For your home

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

Heating this week

About 39% less heating than a typical week.

This week 18Typical 29

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 7
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 6:00 PM–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 4°2° colder than typical.

Last 7 days vs normal

On average 4°2° colder than normal (daily mean temperature).

—MonOct 19
−3°−2°TueOct 20
—WedOct 21
−2°−1°ThuOct 22
−4°−2°FriOct 23
−7°−4°SatOct 24
—SunOct 25

Boulder Creek 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: 5:43–6:36 PM; Morning 7:08–8:00 AM
Blue hour: 6:36–6:46 PM; Morning 6:58–7:08 AM; first light 6:58 AM

Stars tonight? Fair

Clear 6:46 PM–6:59 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:47 AM · rises 5:19 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Boulder Creek. The highest point on the skyline is about 3,700 ft, 16 mi away.Skyline from USGS elevation data, heights drawn up to 4.5× taller. Sky, sun and moon as they are now.