Observed 8:45 AM PDT at KLVK

Brentwood, CA weather

Sunny and 50°10°.

Mostly agree

Now 50°10°

Sunny

Wind: Calm; Up to 5 mph8 km/h through 8 PM
Dew point: 43°6°; Comfortable
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Air quality: 24Good; Main pollutant: Ozone
Pressure: 30.07 inHg1018 hPa; Rising slowly · +0.02 inHg+0.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

13°7° cooler than this time yesterday (57°14° then, 44°7° now)

Good hours for

Above 60°16° today by 10 AM
High 72°22° today at 3 PM
Low 51°11° tomorrow at 6 AM

This morningUp to 62°17° by 11 AM · Clear
This afternoonUp to 72°22° by 3 PM · Clear
TonightDown to 53°12° by 5 AM · Clear
Tomorrow morningUp to 63°17° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 74°23° by 3 PM · Mostly cloudy
Tomorrow nightDown to 53°12° by 4 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
Sat 8a	Sunny	52°11° (likely 50°10° to 55°13°)	52°11°	0%	3 mph5 km/h from NW, gusts 9 mph15 km/h	52%	0%	0
Sat 9a	Sunny	56°13° (likely 55°13° to 58°14°)	56°13°	0%	3 mph5 km/h from NNW, gusts 11 mph18 km/h	50%	0%	0
Sat 10a	Sunny	60°16° (likely 58°14° to 61°16°)	60°16°	0%	5 mph8 km/h from NNW, gusts 14 mph23 km/h	48%	0%	1
Sat 11a	Sunny	62°17° (likely 62°17° to 63°17°)	62°17°	0%	5 mph8 km/h from NNW, gusts 16 mph25 km/h	46%	0%	3
Sat 12p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	5 mph8 km/h from NNW, gusts 14 mph22 km/h	44%	0%	4
Sat 1p	Sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	5 mph8 km/h from N, gusts 13 mph20 km/h	43%	0%	4
Sat 2p	Sunny	71°22° (likely 69°21° to 72°22°)	71°22°	0%	5 mph8 km/h from N, gusts 9 mph15 km/h	41%	0%	4
Sat 3p	Sunny	72°22° (likely 69°21° to 73°23°)	72°22°	0%	3 mph5 km/h from N, gusts 7 mph12 km/h	40%	0%	3
Sat 4p	Sunny	72°22° (likely 70°21° to 74°23°)	72°22°	0%	2 mph3 km/h from N, gusts 7 mph11 km/h	40%	0%	2
Sat 5p	Sunny	72°22° (likely 70°21° to 73°23°)	72°22°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	39%	0%	2
Sat 6p	Clear	69°21° (likely 66°19° to 69°21°)	69°21°	0%	2 mph3 km/h from WSW, gusts 4 mph6 km/h	45%	0%	1
Sat 7p	Clear	64°18° (likely 61°16° to 65°18°)	64°18°	0%	0 mph0 km/h, gusts 5 mph8 km/h	50%	0%	0
Sat 8p	Clear	61°16° (likely 58°14° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 6 mph9 km/h	52%	0%	0
Sat 9p	Clear	60°16° (likely 57°14° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 5 mph8 km/h	52%	0%	0
Sat 10p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	53%	6%	0
Sat 11p	Clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	54%	1%	0
Sun 12a	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	54%	0%	0
Sun 1a	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	55%	0%	0
Sun 2a	Clear	55°13° (likely 51°11° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	59%	6%	0
Sun 3a	Clear	54°12° (likely 50°10° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	62%	41%	0
Sun 4a	Clear	54°12° (likely 50°10° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	61%	42%	0
Sun 5a	Mostly clear	53°12° (likely 49°9° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 2 mph4 km/h	61%	51%	0
Sun 6a	Mostly clear	51°11° (likely 48°9° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	65%	56%	0
Sun 7a	Mostly sunny	51°11° (likely 48°9° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	70%	56%	0
Sun 8a	Mostly sunny	51°11° (likely 47°8° to 55°13°)	51°11°	0%	1 mph2 km/h from NNE, gusts 4 mph6 km/h	71%	66%	0
Sun 9a	Mostly sunny	55°13° (likely 51°11° to 57°14°)	55°13°	0%	1 mph2 km/h from NNE, gusts 5 mph8 km/h	68%	72%	1
Sun 10a	Cloudy	60°16° (likely 55°13° to 61°16°)	60°16°	0%	1 mph2 km/h from NNE, gusts 5 mph8 km/h	63%	72%	2
Sun 11a	Cloudy	63°17° (likely 58°14° to 65°18°)	63°17°	0%	2 mph3 km/h from NE, gusts 4 mph6 km/h	58%	60%	3
Sun 12p	Cloudy	67°19° (likely 62°17° to 69°21°)	67°19°	0%	2 mph3 km/h from NE, gusts 4 mph6 km/h	53%	62%	4
Sun 1p	Cloudy	70°21° (likely 66°19° to 72°22°)	70°21°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	50%	70%	4
Sun 2p	Cloudy	72°22° (likely 68°20° to 74°23°)	72°22°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	47%	82%	4
Sun 3p	Cloudy	74°23° (likely 69°21° to 75°24°)	74°23°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	45%	81%	3
Sun 4p	Cloudy	73°23° (likely 70°21° to 73°23°)	73°23°	0%	2 mph3 km/h from N, gusts 7 mph11 km/h	44%	76%	3
Sun 5p	Partly sunny	74°23° (likely 70°21° to 74°23°)	74°23°	0%	2 mph3 km/h from NW, gusts 8 mph12 km/h	42%	76%	1
Sun 6p	Partly cloudy	71°22° (likely 66°19° to 71°22°)	71°22°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	48%	80%	0
Sun 7p	Cloudy	67°19° (likely 62°17° to 67°19°)	67°19°	0%	2 mph3 km/h from NW, gusts 8 mph13 km/h	53%	84%	0
Sun 8p	Cloudy	63°17° (likely 59°15° to 63°17°)	63°17°	0%	1 mph2 km/h from W, gusts 8 mph13 km/h	56%	84%	0
Sun 9p	Partly cloudy	60°16° (likely 56°13° to 61°16°)	61°16°	0%	1 mph2 km/h from W, gusts 8 mph13 km/h	59%	66%	0
Sun 10p	Clear	59°15° (likely 54°12° to 60°16°)	59°15°	0%	1 mph2 km/h from W, gusts 12 mph19 km/h	62%	12%	0
Sun 11p	Clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	1 mph2 km/h from WSW, gusts 10 mph16 km/h	64%	1%	0
Mon 12a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	1 mph2 km/h from WSW, gusts 10 mph16 km/h	67%	0%	0
Mon 1a	Clear	56°13° (likely 51°11° to 56°13°)	56°13°	0%	1 mph2 km/h from WSW, gusts 11 mph17 km/h	70%	0%	0
Mon 2a	Clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	2 mph3 km/h from WSW, gusts 10 mph16 km/h	72%	2%	0
Mon 3a	Clear	54°12° (likely 49°9° to 55°13°)	54°12°	0%	2 mph3 km/h from WSW, gusts 9 mph14 km/h	74%	4%	0
Mon 4a	Mostly clear	53°12° (likely 48°9° to 55°13°)	53°12°	0%	2 mph3 km/h from WSW, gusts 6 mph10 km/h	75%	9%	0
Mon 5a	Mostly clear	53°12° (likely 47°8° to 54°12°)	53°12°	0%	3 mph5 km/h from SW, gusts 7 mph11 km/h	76%	15%	0
Mon 6a	Mostly clear	52°11° (likely 46°8° to 55°13°)	52°11°	0%	3 mph5 km/h from SW, gusts 9 mph14 km/h	80%	23%	0
Mon 7a	Mostly sunny	51°11° (likely 46°8° to 55°13°)	51°11°	0%	3 mph5 km/h from SW, gusts 9 mph15 km/h	83%	24%	0

Days ahead

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

Today, Oct 24. Sunny. High 72°22°, low 50°10°. Typical 69°21° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Official NWS forecast
Today: Sunny, with a high near 72. North northwest wind around 5 mph.
Tonight: Clear. Low around 50, with temperatures rising to around 53 overnight. West wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
49°9°–54°12°
Typical high / low
69°21° / 52°11°
Wind
9 mph15 km/h, gusts 23 mph37 km/h
UV peak
5
Tomorrow, Oct 25. Mostly sunny. High 75°24°, low 51°11°. Typical 69°21° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Official NWS forecast
Day: Sunny, with a high near 75. North wind around 2 mph.
Night: Mostly clear, with a low around 51. West southwest wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–75°24°
Low, likely
47°8°–54°12°
Typical high / low
69°21° / 52°11°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 72°22°, low 48°9°. Typical 68°20° / 52°11°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72. West southwest wind 3 to 9 mph, with gusts as high as 18 mph.
Night: Mostly clear, with a low around 48.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–72°22°
Low, likely
48°9°–54°12°
Typical high / low
68°20° / 52°11°
Wind
14 mph23 km/h, gusts 23 mph37 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 70°21°, low 49°9°. Typical 68°20° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Partly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
48°9°–51°11°
Typical high / low
68°20° / 51°11°
Wind
9 mph15 km/h, gusts 15 mph24 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 69°21°, low 50°10°. Typical 68°20° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  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 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
44°7°–51°11°
Typical high / low
68°20° / 51°11°
Wind
7 mph12 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 67°19°, low 50°10°. Typical 67°19° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 5pm. Partly sunny, with a high near 67.
Night: A chance of rain. Partly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
50°10°–55°13°
Typical high / low
67°19° / 51°11°
Wind
11 mph17 km/h, gusts 20 mph33 km/h
UV peak
4
Friday, Oct 30. Rain. High 66°19°, low 49°9°. Typical 67°19° / 50°10°. Rain, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 66.
Night: A chance of rain. Mostly cloudy, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
44°7°–50°10°
Typical high / low
67°19° / 50°10°
Wind
10 mph15 km/h, gusts 20 mph32 km/h
UV peak
4
Saturday, Oct 31. Sunny. High 64°18°, low 45°7°. Typical 66°19° / 50°10°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–69°21°
Low, likely
35°2°–49°9°
Typical high / low
66°19° / 50°10°
Wind
9 mph15 km/h, gusts 18 mph28 km/h
UV peak
4
Sunday, Nov 1. Sunny. High 65°18°, low 44°7°. Typical 66°19° / 50°10°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  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
61°16°–70°21°
Low, likely
38°3°–48°9°
Typical high / low
66°19° / 50°10°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 66°19°, low 51°11°. Typical 66°19° / 50°10°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  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
63°17°–72°22°
Low, likely
47°8°–59°15°
Typical high / low
66°19° / 50°10°
Wind
8 mph12 km/h, gusts 18 mph29 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 50°.
Tomorrow
Dry, high 75°, low 51°, warming up.
Monday
Dry, high 72°, low 48°, cooling off.
Rest of week
Mostly dry, highs 64–70°.

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

Marsh Creek Reservoir

3.2 mi

Action stage

Level: 169 ft

Reading from Sat 7:15 AM · NWS gauge page

Marsh Creek at Dainty Ave

0.5 mi

Level: 0.0 ft

Reading from Sat 7:15 AM · NWS gauge page

Rock Slough above Contra Costa Canal

5.4 mi

Level: 5.3 ft

Reading from Sat 7:15 AM · NWS gauge page

Dutch Slough below Jersey Island Rd at Jersey Island

6.1 mi

Level: 8.7 ft

Reading from Sat 6 AM · NWS gauge page

For your home

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

Heating this week

About 70% less heating than a typical week.

This week 11Typical 38

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 43°F).

Open the windows?

Today, 10:00 AM–9:00 PM

Good stretch to open the windows.

Is this typical?

MOUNT DIABLO JUNCTION · official normals 1991–2020 · records 1952–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° warmer than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 53 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 21 min less
Golden hour: 5:40–6:33 PM; Morning 7:07–8:00 AM
Blue hour: 6:33–6:43 PM; Morning 6:57–7:07 AM; first light 6:57 AM

Stars tonight? Fair

Mostly clear 6:43 PM–3 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:45 AM · rises 5:16 PM
Full moon: Oct 25
New moon: Nov 8

Looking southwest from Brentwood. The highest point on the skyline is about 4,000 ft, 33 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Brentwood, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Marsh Creek Reservoir

Marsh Creek at Dainty Ave

Rock Slough above Contra Costa Canal

Dutch Slough below Jersey Island Rd at Jersey Island

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon