Observed 10:00 AM PDT at PCOC1

Pittsburg, CA weather

Sunny and 63°17°.

Mostly agree

Now 63°17°

Sunny

Wind: 9 mph14 km/h; From the east. Up to 9 mph14 km/h through 10 PM
Dew point: 40°4°; Comfortable · up to 48°9° by 6 PM
UV index: 1Low; Moderate 11 AM–4 PM · peak 4
Air quality: 23Good; Main pollutant: Ozone

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

6°3° warmer than this time yesterday (57°14° then, 63°17° now)

Good hours for

High 72°22° today at 3 PM
Low 52°11° tomorrow at 6 AM
Above 60°16° tomorrow by 11 AM

This morningNear 61°16° · Clear
This afternoonUp to 72°22° by 3 PM · Clear
TonightDown to 54°12° by 4 AM · Clear
Tomorrow morningUp to 61°16° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 73°23° by 5 PM · Mostly cloudy
Tomorrow nightDown to 54°12° by 5 AM · Partly cloudy
Monday morningNear 56°13° · 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 10a	Sunny	59°15° (likely 59°15° to 61°16°)	59°15°	0%	8 mph13 km/h from NNE, gusts 14 mph22 km/h	50%	0%	1
Sat 11a	Sunny	62°17° (likely 62°17° to 64°18°)	63°17°	0%	9 mph14 km/h from NNE, gusts 13 mph21 km/h	47%	0%	3
Sat 12p	Sunny	67°19° (likely 65°18° to 67°19°)	67°19°	0%	7 mph11 km/h from NNE, gusts 12 mph19 km/h	45%	0%	4
Sat 1p	Sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	6 mph10 km/h from NNE, gusts 10 mph16 km/h	44%	0%	4
Sat 2p	Sunny	70°21° (likely 68°20° to 72°22°)	71°22°	0%	5 mph8 km/h from NNE, gusts 8 mph13 km/h	42%	0%	4
Sat 3p	Sunny	72°22° (likely 69°21° to 73°23°)	72°22°	0%	3 mph5 km/h from NE, gusts 7 mph11 km/h	40%	0%	3
Sat 4p	Sunny	72°22° (likely 69°21° to 74°23°)	72°22°	0%	2 mph3 km/h from ENE, gusts 6 mph10 km/h	40%	0%	2
Sat 5p	Sunny	72°22° (likely 69°21° to 72°22°)	72°22°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	39%	0%	2
Sat 6p	Clear	70°21° (likely 65°18° to 70°21°)	70°21°	0%	2 mph3 km/h from SSW, gusts 4 mph7 km/h	46%	0%	1
Sat 7p	Clear	65°18° (likely 61°16° to 65°18°)	65°18°	0%	2 mph3 km/h from SW, gusts 5 mph8 km/h	50%	0%	0
Sat 8p	Clear	62°17° (likely 57°14° to 62°17°)	62°17°	0%	2 mph3 km/h from WSW, gusts 7 mph12 km/h	54%	0%	0
Sat 9p	Clear	60°16° (likely 55°13° to 60°16°)	61°16°	0%	0 mph0 km/h, gusts 8 mph12 km/h	55%	0%	0
Sat 10p	Clear	59°15° (likely 54°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 7 mph11 km/h	55%	0%	0
Sat 11p	Clear	58°14° (likely 53°12° to 58°14°)	59°15°	0%	0 mph0 km/h, gusts 6 mph10 km/h	57%	0%	0
Sun 12a	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 6 mph10 km/h	56%	0%	0
Sun 1a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	57%	0%	0
Sun 2a	Clear	56°13° (likely 50°10° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	62%	0%	0
Sun 3a	Clear	55°13° (likely 50°10° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	65%	42%	0
Sun 4a	Mostly clear	54°12° (likely 49°9° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	67%	54%	0
Sun 5a	Partly cloudy	54°12° (likely 49°9° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	67%	60%	0
Sun 6a	Partly cloudy	52°11° (likely 48°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	70%	70%	0
Sun 7a	Partly sunny	52°11° (likely 48°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 2 mph3 km/h	74%	61%	0
Sun 8a	Partly sunny	52°11° (likely 48°9° to 52°11°)	52°11°	0%	1 mph2 km/h from NE, gusts 3 mph5 km/h	76%	64%	0
Sun 9a	Partly sunny	55°13° (likely 51°11° to 55°13°)	55°13°	0%	1 mph2 km/h from NE, gusts 4 mph6 km/h	76%	69%	1
Sun 10a	Partly sunny	58°14° (likely 55°13° to 60°16°)	58°14°	0%	1 mph2 km/h from NE, gusts 6 mph10 km/h	72%	78%	2
Sun 11a	Cloudy	61°16° (likely 59°15° to 63°17°)	61°16°	0%	3 mph5 km/h from NE, gusts 6 mph9 km/h	66%	75%	3
Sun 12p	Mostly sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	3 mph5 km/h from NE, gusts 5 mph9 km/h	61%	65%	4
Sun 1p	Cloudy	68°20° (likely 66°19° to 68°20°)	69°21°	0%	3 mph5 km/h from NE, gusts 6 mph9 km/h	55%	70%	4
Sun 2p	Cloudy	71°22° (likely 68°20° to 71°22°)	71°22°	0%	2 mph3 km/h from NNW, gusts 6 mph10 km/h	51%	84%	4
Sun 3p	Cloudy	72°22° (likely 69°21° to 72°22°)	73°23°	0%	2 mph3 km/h from NNW, gusts 7 mph11 km/h	48%	85%	3
Sun 4p	Cloudy	72°22° (likely 69°21° to 72°22°)	72°22°	0%	2 mph3 km/h from NNW, gusts 7 mph11 km/h	47%	87%	2
Sun 5p	Cloudy	73°23° (likely 68°20° to 73°23°)	73°23°	0%	2 mph3 km/h from W, gusts 10 mph16 km/h	45%	86%	1
Sun 6p	Cloudy	70°21° (likely 63°17° to 70°21°)	70°21°	0%	2 mph3 km/h from W, gusts 12 mph19 km/h	50%	89%	0
Sun 7p	Cloudy	67°19° (likely 60°16° to 67°19°)	67°19°	0%	2 mph3 km/h from W, gusts 13 mph22 km/h	56%	84%	0
Sun 8p	Mostly clear	62°17° (likely 57°14° to 62°17°)	63°17°	0%	3 mph5 km/h from WSW, gusts 15 mph25 km/h	60%	79%	0
Sun 9p	Mostly clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	3 mph5 km/h from WSW, gusts 16 mph25 km/h	62%	68%	0
Sun 10p	Mostly clear	59°15° (likely 53°12° to 59°15°)	59°15°	0%	3 mph5 km/h from WSW, gusts 15 mph24 km/h	64%	20%	0
Sun 11p	Clear	59°15° (likely 52°11° to 59°15°)	59°15°	0%	6 mph10 km/h from WSW, gusts 15 mph24 km/h	66%	1%	0
Mon 12a	Clear	58°14° (likely 51°11° to 58°14°)	58°14°	0%	6 mph10 km/h from WSW, gusts 15 mph24 km/h	68%	2%	0
Mon 1a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	6 mph10 km/h from WSW, gusts 14 mph22 km/h	71%	5%	0
Mon 2a	Mostly clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	8 mph13 km/h from WSW, gusts 15 mph24 km/h	73%	10%	0
Mon 3a	Mostly clear	56°13° (likely 51°11° to 56°13°)	56°13°	0%	8 mph13 km/h from WSW, gusts 15 mph24 km/h	75%	22%	0
Mon 4a	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	8 mph13 km/h from WSW, gusts 15 mph25 km/h	77%	24%	0
Mon 5a	Clear	54°12° (likely 51°11° to 55°13°)	54°12°	0%	12 mph19 km/h from SW, gusts 15 mph23 km/h	79%	25%	0
Mon 6a	Mostly clear	54°12° (likely 51°11° to 56°13°)	54°12°	0%	12 mph19 km/h from SW, gusts 12 mph19 km/h	81%	44%	0
Mon 7a	Mostly sunny	53°12° (likely 50°10° to 56°13°)	53°12°	0%	12 mph19 km/h from SW, gusts 12 mph20 km/h	84%	55%	0
Mon 8a	Mostly sunny	54°12° (likely 51°11° to 56°13°)	54°12°	0%	12 mph19 km/h from SW, gusts 13 mph20 km/h	84%	47%	0
Mon 9a	Mostly sunny	57°14° (likely 55°13° to 58°14°)	57°14°	0%	12 mph19 km/h from SW, gusts 16 mph26 km/h	81%	33%	1

Days ahead

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

Today, Oct 24. Sunny. High 72°22°, low 51°11°. Typical 69°21° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 62°17°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 54°12°
  Dry
Official NWS forecast
Today: Sunny, with a high near 72. Northeast wind 2 to 9 mph, with gusts as high as 21 mph.
Tonight: Clear. Low around 51, with temperatures rising to around 54 overnight. West southwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
51°11°–53°12°
Typical high / low
69°21° / 52°11°
Wind
10 mph15 km/h, gusts 17 mph27 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 73°23°, low 52°11°. Typical 69°21° / 52°11°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 54°12°
  Dry
Official NWS forecast
Day: Sunny, with a high near 73. North northwest wind 0 to 3 mph.
Night: Mostly clear, with a low around 52. West southwest wind 2 to 12 mph, with gusts as high as 18 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–73°23°
Low, likely
47°8°–52°11°
Typical high / low
69°21° / 52°11°
Wind
11 mph18 km/h, gusts 25 mph40 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 70°21°, low 50°10°. Typical 68°20° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
50°10°–53°12°
Typical high / low
68°20° / 52°11°
Wind
11 mph18 km/h, gusts 21 mph34 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 69°21°, low 50°10°. Typical 68°20° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°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 69.
Night: Partly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
47°8°–52°11°
Typical high / low
68°20° / 51°11°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 66°19°, low 52°11°. Typical 68°20° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 49°10°
  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, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Mostly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–68°20°
Low, likely
45°7°–52°11°
Typical high / low
68°20° / 51°11°
Wind
5 mph8 km/h, gusts 12 mph19 km/h
UV peak
4
Thursday, Oct 29. Rain. High 64°18°, low 51°11°. Typical 67°19° / 51°11°. Rain, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 5pm. Mostly sunny, with a high near 64.
Night: A chance of rain. Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
49°9°–56°13°
Typical high / low
67°19° / 51°11°
Wind
10 mph16 km/h, gusts 21 mph34 km/h
UV peak
3
Friday, Oct 30. Rain. High 63°17°, low 50°10°. Typical 67°19° / 50°10°. Rain 0.01 in0.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  20% chance
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.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 63.
Night: A chance of rain. Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–67°19°
Low, likely
46°8°–51°11°
Typical high / low
67°19° / 50°10°
Wind
12 mph19 km/h, gusts 24 mph38 km/h
UV peak
4
Saturday, Oct 31. Sunny. High 63°17°, low 47°8°. Typical 66°19° / 50°10°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–67°19°
Low, likely
38°3°–52°11°
Typical high / low
66°19° / 50°10°
Wind
6 mph9 km/h, gusts 17 mph27 km/h
UV peak
4
Sunday, Nov 1. Sunny. High 65°18°, low 46°8°. Typical 66°19° / 50°10°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  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
42°6°–51°11°
Typical high / low
66°19° / 50°10°
Wind
8 mph13 km/h, gusts 18 mph28 km/h
UV peak
4
Monday, Nov 2. Rain. High 62°17°, low 49°9°. Typical 66°19° / 50°10°. Rain 0.16 in4.1 mm, 10% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  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
59°15°–64°18°
Low, likely
47°8°–52°11°
Typical high / low
66°19° / 50°10°
Wind
8 mph13 km/h, gusts 19 mph31 km/h

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 51°.
Tomorrow
Dry, high 73°, low 52°.
Monday
Dry, high 70°, low 50°, cooling off.
Rest of week
Mostly dry, highs 62–69°.

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

Sacramento-San Joaquin Delta at Mallard Island

2.2 mi

Level: 3.5 ft
Flow: 6,540 cfs

Reading from Sat 9 AM · NWS gauge page

Sacramento-San Joaquin Delta at Antioch

5.1 mi

Level: 3.5 ft
Flow: 5,510 cfs

Reading from Sat 9 AM · NWS gauge page

Galindo Creek at Treat Blvd

6.4 mi

Level: 0.0 ft

Reading from Sat 12:15 AM · NWS gauge page

Marsh Creek at March Creek Fire

8.5 mi

Level: 0.0 ft

Reading from Sat 9 AM · NWS gauge page

For your home

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

Heating this week

About 72% less heating than a typical week.

This week 11Typical 38

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 42°F).

Open the windows?

Today, 11:00 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

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

Sun & moon

Sun

Daylight: 10 h 52 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 21 min less
Golden hour: 5:41–6:34 PM; Morning 7:08–8:01 AM
Blue hour: 6:34–6:44 PM; Morning 6:58–7:08 AM; first light 6:58 AM

Stars tonight? Fair

Mostly clear 6:44 PM–3 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:46 AM · rises 5:17 PM
Full moon: Oct 25
New moon: Nov 8

Looking south from Pittsburg. The highest point on the skyline is about 3,700 ft, 9 mi away.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.

Pittsburg, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Sacramento-San Joaquin Delta at Mallard Island

Sacramento-San Joaquin Delta at Antioch

Galindo Creek at Treat Blvd

Marsh Creek at March Creek Fire

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