Observed 11:00 AM PDT at KLVK

Blackhawk, CA weather

Overcast and 61°16°, 9°5° colder than a typical Oct 23, jacket by 8 PM.

Forecasts agree

Now 61°16°

Cloudy

Wind: Calm; Up to 8 mph13 km/h through 11 PM
Dew point: 54°12°; Comfortable · down to 45°7° by 6 PM
UV index: 1Low; Moderate 1–3 PM · peak 4
Air quality: 20Good; Main pollutant: Ozone
Pressure: 30.07 inHg1018 hPa; Rising slowly · +0.03 inHg+0.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 66°19° today at 4 PM
Below 60°16° tonight after 7 PM
Low 47°8° tonight at 5 AM
Above 60°16° tomorrow by noon

This afternoonUp to 66°19° by 4 PM · Partly cloudy
TonightDown to 47°8° by 5 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 70°21° by 4 PM · Clear
Tomorrow nightDown to 49°9° by 3 AM · Clear
Sunday morningUp to 56°13° by 10 AM · 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
Fri 11a	Partly sunny	57°14° (likely 57°14° to 60°16°)	57°14°	0%	6 mph10 km/h from N, gusts 15 mph23 km/h	100%	72%	1
Fri 12p	Drizzle	60°16° (likely 58°14° to 61°16°)	60°16°	0%	7 mph11 km/h from N, gusts 15 mph24 km/h	91%	68%	2
Fri 1p	Partly sunny	62°17° (likely 61°16° to 64°18°)	62°17°	0%	7 mph11 km/h from N, gusts 16 mph26 km/h	82%	42%	4
Fri 2p	Mostly sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	8 mph13 km/h from N, gusts 17 mph28 km/h	74%	23%	4
Fri 3p	Sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	8 mph13 km/h from N, gusts 18 mph29 km/h	63%	5%	2
Fri 4p	Sunny	66°19° (likely 65°18° to 66°19°)	66°19°	0%	8 mph13 km/h from N, gusts 18 mph29 km/h	54%	1%	2
Fri 5p	Sunny	65°18° (likely 64°18° to 65°18°)	65°18°	0%	7 mph11 km/h from N, gusts 19 mph31 km/h	50%	0%	2
Fri 6p	Clear	63°17° (likely 60°16° to 63°17°)	63°17°	0%	5 mph8 km/h from NNW, gusts 16 mph25 km/h	52%	0%	1
Fri 7p	Clear	58°14° (likely 56°13° to 59°15°)	58°14°	0%	2 mph3 km/h from NNW, gusts 12 mph20 km/h	57%	0%	0
Fri 8p	Clear	55°13° (likely 53°12° to 58°14°)	55°13°	0%	1 mph2 km/h from NNW, gusts 12 mph19 km/h	59%	0%	0
Fri 9p	Clear	54°12° (likely 51°11° to 56°13°)	54°12°	0%	1 mph2 km/h from NNW, gusts 6 mph10 km/h	63%	3%	0
Fri 10p	Clear	52°11° (likely 50°10° to 55°13°)	52°11°	0%	1 mph2 km/h from NNW, gusts 5 mph7 km/h	66%	7%	0
Fri 11p	Clear	52°11° (likely 49°9° to 54°12°)	52°11°	0%	1 mph2 km/h from NNW, gusts 4 mph7 km/h	67%	10%	0
Sat 12a	Clear	51°11° (likely 48°9° to 53°12°)	51°11°	0%	1 mph2 km/h from N, gusts 4 mph7 km/h	65%	10%	0
Sat 1a	Clear	51°11° (likely 48°9° to 53°12°)	51°11°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	63%	8%	0
Sat 2a	Clear	50°10° (likely 48°9° to 53°12°)	50°10°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	61%	6%	0
Sat 3a	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	1 mph2 km/h from N, gusts 5 mph9 km/h	58%	4%	0
Sat 4a	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	1 mph2 km/h from N, gusts 7 mph11 km/h	55%	3%	0
Sat 5a	Clear	47°8° (likely 47°8° to 52°11°)	47°8°	0%	1 mph2 km/h from NNE, gusts 7 mph11 km/h	53%	2%	0
Sat 6a	Clear	48°9° (likely 48°9° to 52°11°)	48°9°	0%	1 mph2 km/h from NNE, gusts 8 mph13 km/h	54%	2%	0
Sat 7a	Sunny	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from NNE, gusts 5 mph9 km/h	54%	2%	0
Sat 8a	Sunny	47°8° (likely 47°8° to 51°11°)	47°8°	0%	3 mph5 km/h from NNE, gusts 5 mph8 km/h	59%	2%	0
Sat 9a	Sunny	50°10° (likely 50°10° to 55°13°)	50°10°	0%	3 mph5 km/h from NNE, gusts 9 mph14 km/h	59%	1%	1
Sat 10a	Sunny	54°12° (likely 54°12° to 60°16°)	54°12°	0%	3 mph5 km/h from NNE, gusts 19 mph31 km/h	57%	1%	2
Sat 11a	Sunny	58°14° (likely 58°14° to 64°18°)	58°14°	0%	5 mph8 km/h from NNE, gusts 18 mph29 km/h	50%	0%	3
Sat 12p	Sunny	62°17° (likely 62°17° to 68°20°)	62°17°	0%	5 mph8 km/h from NNE, gusts 14 mph22 km/h	45%	0%	4
Sat 1p	Sunny	66°19° (likely 65°18° to 70°21°)	66°19°	0%	5 mph8 km/h from NNE, gusts 10 mph16 km/h	41%	0%	5
Sat 2p	Sunny	68°20° (likely 66°19° to 71°22°)	68°20°	0%	5 mph8 km/h from N, gusts 9 mph14 km/h	40%	1%	5
Sat 3p	Sunny	69°21° (likely 67°19° to 72°22°)	69°21°	0%	5 mph8 km/h from N, gusts 8 mph12 km/h	38%	0%	4
Sat 4p	Sunny	70°21° (likely 67°19° to 72°22°)	70°21°	0%	5 mph8 km/h from N, gusts 7 mph12 km/h	38%	0%	3
Sat 5p	Sunny	69°21° (likely 66°19° to 71°22°)	69°21°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	38%	0%	2
Sat 6p	Clear	66°19° (likely 62°17° to 67°19°)	66°19°	0%	1 mph2 km/h from N, gusts 2 mph4 km/h	42%	2%	1
Sat 7p	Clear	61°16° (likely 58°14° to 63°17°)	61°16°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	50%	0%	0
Sat 8p	Clear	56°13° (likely 54°12° to 61°16°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	57%	22%	0
Sat 9p	Clear	53°12° (likely 52°11° to 60°16°)	53°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	62%	6%	0
Sat 10p	Clear	52°11° (likely 51°11° to 60°16°)	52°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	65%	0%	0
Sat 11p	Clear	52°11° (likely 50°10° to 58°14°)	52°11°	0%	0 mph0 km/h, gusts 2 mph3 km/h	67%	1%	0
Sun 12a	Clear	51°11° (likely 49°9° to 58°14°)	51°11°	0%	0 mph0 km/h, gusts 2 mph3 km/h	69%	1%	0
Sun 1a	Clear	50°10° (likely 48°9° to 56°13°)	50°10°	0%	0 mph0 km/h, gusts 2 mph3 km/h	70%	2%	0
Sun 2a	Mostly clear	50°10° (likely 48°9° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 3 mph4 km/h	70%	12%	0
Sun 3a	Clear	49°9° (likely 48°9° to 55°13°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	68%	31%	0
Sun 4a	Clear	49°9° (likely 48°9° to 56°13°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	66%	31%	0
Sun 5a	Clear	49°9° (likely 48°9° to 56°13°)	49°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	65%	26%	0
Sun 6a	Clear	48°9° (likely 48°9° to 53°12°)	48°9°	0%	0 mph0 km/h, gusts 2 mph4 km/h	68%	3%	0
Sun 7a	Mostly sunny	47°8° (likely 47°8° to 53°12°)	47°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	71%	38%	0
Sun 8a	Mostly sunny	47°8° (likely 47°8° to 54°12°)	47°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	73%	31%	0
Sun 9a	Mostly sunny	51°11° (likely 51°11° to 59°15°)	51°11°	0%	0 mph0 km/h, gusts 3 mph4 km/h	70%	29%	1
Sun 10a	Mostly sunny	56°13° (likely 56°13° to 64°18°)	56°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	65%	32%	2

Days ahead

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

Today, Oct 23. Drizzle. High 66°19°, low 46°8°. Typical 75°24° / 48°9°. Rain 0.01 in0.3 mm, 0% chance. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
2. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 66. North wind around 8 mph, with gusts as high as 18 mph.
Tonight: Clear, with a low around 46. North wind 1 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–66°19°
Low, likely
46°8°–53°12°
Typical high / low
75°24° / 48°9°
Wind
12 mph19 km/h, gusts 23 mph36 km/h
UV peak
5
Tomorrow, Oct 24. Sunny. High 70°21°, low 47°8°. Typical 74°23° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 70. North wind 1 to 5 mph.
Night: Mostly clear, with a low around 47. North wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
46°8°–51°11°
Typical high / low
74°23° / 48°9°
Wind
14 mph23 km/h, gusts 26 mph41 km/h
UV peak
5
Sunday, Oct 25. Mostly sunny. High 72°22°, low 47°8°. Typical 74°23° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72. North wind 0 to 3 mph.
Night: Mostly clear, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–74°23°
Low, likely
47°8°–52°11°
Typical high / low
74°23° / 48°9°
Wind
6 mph9 km/h, gusts 13 mph20 km/h
UV peak
4
Monday, Oct 26. Fog. High 67°19°, low 44°7°. Typical 74°23° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 46°8°
  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 67.
Night: Mostly clear, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
44°7°–50°10°
Typical high / low
74°23° / 47°8°
Wind
11 mph18 km/h, gusts 21 mph33 km/h
UV peak
5
Tuesday, Oct 27. Fog. High 65°18°, low 46°8°. Typical 73°23° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 10am. Mostly sunny, with a high near 65.
Night: Partly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
42°6°–50°10°
Typical high / low
73°23° / 47°8°
Wind
9 mph15 km/h, gusts 14 mph23 km/h
UV peak
5
Wednesday, Oct 28. Fog. High 65°18°, low 46°8°. Typical 73°23° / 47°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog between 8am and 9am. Mostly sunny, with a high near 65.
Night: Mostly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–68°20°
Low, likely
43°6°–50°10°
Typical high / low
73°23° / 47°8°
Wind
7 mph11 km/h, gusts 14 mph22 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 64°18°, low 46°8°. Typical 72°22° / 47°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  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: Areas of fog between 7am and 10am. Mostly sunny, with a high near 64.
Night: Partly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–68°20°
Low, likely
44°7°–51°11°
Typical high / low
72°22° / 47°8°
Wind
6 mph9 km/h, gusts 15 mph24 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 62°17°, low 46°8°. Typical 72°22° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°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
60°16°–66°19°
Low, likely
36°2°–52°11°
Typical high / low
72°22° / 46°8°
Wind
11 mph17 km/h, gusts 16 mph25 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 62°17°, low 44°7°. Typical 71°22° / 46°8°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 47°8°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 62°16°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 51°11°
  30% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  30% chance · 0.07 in1.8 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°–68°20°
Low, likely
34°1°–49°9°
Typical high / low
71°22° / 46°8°
Wind
10 mph17 km/h
UV peak
4
Sunday, Nov 1. Sunny. High 63°17°, low 46°8°. Typical 71°22° / 46°8°. Rain 0.35 in8.9 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  30% chance · 0.28 in7 mm
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  30% chance · 0.05 in1.2 mm
3. Evening
  6 PM–midnight
  Clear, 53°12°
  30% chance · 0.05 in1.4 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
61°16°–66°19°
Low, likely
35°2°–56°13°
Typical high / low
71°22° / 46°8°
Wind
11 mph18 km/h, gusts 29 mph47 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 66°, low 46°.
Tomorrow
Dry, high 70°, low 47°, warming up.
Sunday
Dry, high 72°, low 47°.
Rest of week
Mostly dry, highs 62–67°.

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

Alamo Canal near Pleasanton

8.0 mi

Below flood stage

Level: 2.2 ft
Flow: 15 cfs

Forecast peak 1.6 ft Fri 11 AM

Reading from Fri 9:45 AM · NWS gauge page

Green Valley Creek at Diablo Road

4.2 mi

Level: 1.3 ft

Reading from Fri 9:15 AM · NWS gauge page

San Ramon Creek at San Ramon

5.1 mi

Level: 2.6 ft
Flow: 1 cfs

Reading from Fri 9:45 AM · NWS gauge page

Marsh Creek at March Creek Fire

6.7 mi

Level: 0.0 ft

Reading from Fri 10 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 19Typical 32

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 5
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 54°F).

Open the windows?

Today, 12:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

LIVERMORE · official normals 1991–2020 · records 1903–2026

Oct 23, today vs a typical year

Today’s expected high is 9°5° colder than typical.

Last 7 days vs normal

On average 1°0° colder than normal (daily mean temperature).

+7°+4°SatOct 17
+2°+1°SunOct 18
−1°MonOct 19
−4°−2°TueOct 20
−3°−2°WedOct 21
−4°−2°ThuOct 22
—FriOct 23

Blackhawk weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 55 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 23 min less
Golden hour: 5:43–6:35 PM; Morning 7:07–8:00 AM
Blue hour: 6:35–6:46 PM; Morning 6:57–7:07 AM; first light 6:57 AM

Stars tonight? Good

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

Moon

Waxing gibbous

93% lit · growing

Today: sets 4:39 AM · rises 4:51 PM
Full moon: Oct 25
New moon: Nov 8

Looking north from Blackhawk. The highest point on the skyline is about 3,700 ft, 5 mi away.Skyline from USGS elevation data, heights drawn up to 3.5× taller. Sky, sun and moon as they are now.