Observed 10:50 AM PDT at KSCK

Tracy, CA weather

Overcast and 59°15°.

Mostly agree

Now 59°15°

Cloudy

Wind: 12 mph19 km/h; From the north-northwest. 58–12 mph19 km/h through 11 PM
Dew point: 59°15°; A little sticky · down to 51°11° by 4 PM (comfortable)
Humidity: 100%; Air 59°15°, dew point 59°15° · fog or dew likely
UV index: 1Low; Moderate 1–3 PM · peak 4
Air quality: 20Good; Main pollutant: Ozone
Pressure: 30.06 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 69°21° today at 5 PM
Low 52°11° tomorrow at 7 AM
Above 60°16° tomorrow by 11 AM

This afternoonUp to 69°21° by 5 PM · Partly cloudy
TonightDown to 54°12° by 4 AM · Clear
Tomorrow morningUp to 62°17° by 11 AM · Clear
Tomorrow afternoonUp to 72°22° by 4 PM · Clear
Tomorrow nightDown to 54°12° by 5 AM · Clear
Sunday morningUp to 59°15° 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	Cloudy	60°16° (likely 59°15° to 61°16°)	60°16°	0%	7 mph11 km/h from NW, gusts 13 mph21 km/h	90%	94%	1
Fri 12p	Partly sunny	62°17° (likely 60°16° to 64°18°)	62°17°	0%	9 mph14 km/h from NW, gusts 15 mph24 km/h	88%	78%	2
Fri 1p	Partly sunny	63°17° (likely 63°17° to 65°18°)	63°17°	0%	10 mph16 km/h from NW, gusts 15 mph24 km/h	82%	68%	4
Fri 2p	Partly sunny	66°19° (likely 65°18° to 67°19°)	66°19°	0%	12 mph19 km/h from NW, gusts 15 mph24 km/h	74%	55%	4
Fri 3p	Mostly sunny	67°19° (likely 66°19° to 69°21°)	67°19°	0%	12 mph19 km/h from NW, gusts 16 mph26 km/h	65%	27%	2
Fri 4p	Sunny	68°20° (likely 66°19° to 69°21°)	68°20°	0%	12 mph19 km/h from NW, gusts 17 mph28 km/h	55%	6%	2
Fri 5p	Sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	10 mph16 km/h from NW, gusts 18 mph28 km/h	54%	0%	2
Fri 6p	Clear	66°19° (likely 62°17° to 66°19°)	66°19°	0%	8 mph13 km/h from WNW, gusts 13 mph21 km/h	56%	0%	0
Fri 7p	Clear	63°17° (likely 58°14° to 63°17°)	63°17°	0%	6 mph10 km/h from W, gusts 10 mph16 km/h	57%	0%	0
Fri 8p	Clear	63°17° (likely 56°13° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	53%	0%	0
Fri 9p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	6 mph10 km/h from W, gusts 12 mph20 km/h	50%	0%	0
Fri 10p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	7 mph11 km/h from W, gusts 13 mph21 km/h	50%	0%	0
Fri 11p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	9 mph14 km/h from W, gusts 14 mph23 km/h	49%	0%	0
Sat 12a	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	9 mph14 km/h from W, gusts 15 mph23 km/h	50%	0%	0
Sat 1a	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	9 mph14 km/h from W, gusts 15 mph24 km/h	52%	0%	0
Sat 2a	Clear	57°14° (likely 54°12° to 57°14°)	57°14°	0%	8 mph13 km/h from W, gusts 14 mph23 km/h	54%	1%	0
Sat 3a	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	7 mph11 km/h from W, gusts 14 mph22 km/h	56%	0%	0
Sat 4a	Clear	54°12° (likely 52°11° to 55°13°)	54°12°	0%	6 mph10 km/h from W, gusts 11 mph18 km/h	56%	0%	0
Sat 5a	Clear	54°12° (likely 51°11° to 54°12°)	54°12°	0%	6 mph10 km/h from W, gusts 12 mph19 km/h	55%	0%	0
Sat 6a	Clear	53°12° (likely 51°11° to 54°12°)	53°12°	0%	6 mph10 km/h from W, gusts 12 mph19 km/h	59%	0%	0
Sat 7a	Sunny	52°11° (likely 50°10° to 53°12°)	52°11°	0%	6 mph10 km/h from W, gusts 12 mph20 km/h	59%	0%	0
Sat 8a	Sunny	53°12° (likely 51°11° to 53°12°)	53°12°	0%	6 mph10 km/h from WNW, gusts 12 mph19 km/h	59%	0%	0
Sat 9a	Sunny	56°13° (likely 55°13° to 56°13°)	56°13°	0%	6 mph10 km/h from WNW, gusts 13 mph20 km/h	54%	0%	1
Sat 10a	Sunny	59°15° (likely 58°14° to 60°16°)	59°15°	0%	6 mph10 km/h from WNW, gusts 13 mph20 km/h	46%	1%	2
Sat 11a	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	5 mph8 km/h from NW, gusts 12 mph20 km/h	46%	0%	3
Sat 12p	Sunny	64°18° (likely 64°18° to 65°18°)	64°18°	0%	5 mph8 km/h from NW, gusts 10 mph17 km/h	43%	0%	4
Sat 1p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	41%	0%	5
Sat 2p	Sunny	70°21° (likely 67°19° to 70°21°)	70°21°	0%	3 mph5 km/h from NNW, gusts 9 mph14 km/h	38%	0%	5
Sat 3p	Sunny	71°22° (likely 68°20° to 72°22°)	71°22°	0%	3 mph5 km/h from NNW, gusts 7 mph12 km/h	38%	0%	4
Sat 4p	Sunny	72°22° (likely 68°20° to 73°23°)	72°22°	0%	3 mph5 km/h from NNW, gusts 6 mph10 km/h	38%	0%	3
Sat 5p	Sunny	70°21° (likely 68°20° to 72°22°)	70°21°	0%	1 mph2 km/h from NNW, gusts 5 mph7 km/h	39%	0%	2
Sat 6p	Clear	68°20° (likely 64°18° to 68°20°)	68°20°	0%	1 mph2 km/h from NNW, gusts 3 mph5 km/h	49%	0%	0
Sat 7p	Clear	64°18° (likely 59°15° to 64°18°)	64°18°	0%	1 mph2 km/h from NNW, gusts 5 mph8 km/h	54%	0%	0
Sat 8p	Clear	61°16° (likely 57°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 6 mph9 km/h	56%	0%	0
Sat 9p	Clear	60°16° (likely 55°13° to 61°16°)	60°16°	0%	0 mph0 km/h, gusts 7 mph11 km/h	56%	4%	0
Sat 10p	Clear	59°15° (likely 54°12° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 6 mph10 km/h	56%	10%	0
Sat 11p	Clear	59°15° (likely 53°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 5 mph9 km/h	56%	0%	0
Sun 12a	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	57%	0%	0
Sun 1a	Clear	58°14° (likely 51°11° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	58%	0%	0
Sun 2a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	59%	1%	0
Sun 3a	Clear	56°13° (likely 51°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 6 mph9 km/h	61%	9%	0
Sun 4a	Clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	63%	29%	0
Sun 5a	Clear	54°12° (likely 49°9° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	66%	26%	0
Sun 6a	Clear	52°11° (likely 46°8° to 54°12°)	52°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	70%	14%	0
Sun 7a	Mostly sunny	52°11° (likely 44°7° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	72%	26%	0
Sun 8a	Mostly sunny	52°11° (likely 44°7° to 54°12°)	52°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	73%	31%	0
Sun 9a	Mostly sunny	55°13° (likely 48°9° to 59°15°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	69%	40%	1
Sun 10a	Mostly sunny	59°15° (likely 52°11° to 63°17°)	59°15°	0%	0 mph0 km/h, gusts 3 mph5 km/h	63%	29%	2

Days ahead

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

Today, Oct 23. Partly sunny. High 69°21°, low 52°11°. Typical 76°24° / 46°8°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 69°21°
  Dry
2. Evening
  6 PM–midnight
  Clear, 63°17°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 54°12°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 69. Northwest wind 7 to 12 mph, with gusts as high as 24 mph.
Tonight: Clear. Low around 52, with temperatures rising to around 54 overnight. West wind 5 to 9 mph, with gusts as high as 23 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
52°11°–56°13°
Typical high / low
76°24° / 46°8°
Wind
14 mph22 km/h, gusts 22 mph36 km/h
UV peak
5
Tomorrow, Oct 24. Sunny. High 72°22°, low 52°11°. Typical 76°24° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  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, 54°12°
  Dry
Official NWS forecast
Day: Sunny. High near 72, with temperatures falling to around 70 in the afternoon. Northwest wind 1 to 6 mph.
Night: Clear, with a low around 52. North northwest wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
50°10°–53°12°
Typical high / low
76°24° / 46°8°
Wind
11 mph18 km/h, gusts 18 mph29 km/h
UV peak
5
Sunday, Oct 25. Mostly sunny. High 76°24°, low 54°12°. Typical 76°24° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 76. North northeast wind around 2 mph.
Night: Mostly clear, with a low around 54.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
70°21°–76°24°
Low, likely
46°8°–54°12°
Typical high / low
76°24° / 46°8°
Wind
8 mph12 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 74°23°, low 50°10°. Typical 76°24° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  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 74.
Night: Mostly clear, with a low around 50.
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
76°24° / 46°8°
Wind
18 mph29 km/h, gusts 25 mph41 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 70°21°, low 50°10°. Typical 75°24° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  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 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
44°7°–50°10°
Typical high / low
75°24° / 45°7°
Wind
9 mph15 km/h, gusts 17 mph27 km/h
UV peak
5
Wednesday, Oct 28. Partly sunny. High 70°21°, low 51°11°. Typical 75°24° / 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Partly cloudy, with a low around 51.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–71°22°
Low, likely
44°7°–51°11°
Typical high / low
75°24° / 45°7°
Wind
9 mph14 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 51°11°. Typical 74°23° / 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Night: Partly cloudy, with a low around 51.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–70°21°
Low, likely
48°9°–54°12°
Typical high / low
74°23° / 45°7°
Wind
11 mph18 km/h, gusts 19 mph31 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 66°19°, low 48°9°. Typical 74°23° / 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  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
62°17°–71°22°
Low, likely
37°3°–55°13°
Typical high / low
74°23° / 45°7°
Wind
17 mph27 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 64°18°, low 47°8°. Typical 74°23° / 44°7°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  30% chance
3. Evening
  6 PM–midnight
  Mostly clear, 55°13°
  30% chance
4. Overnight
  midnight–6 AM
  Fog, 48°9°
  30% chance · 0.14 in3.7 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°–69°21°
Low, likely
34°1°–55°13°
Typical high / low
74°23° / 44°7°
Wind
14 mph23 km/h
UV peak
4
Sunday, Nov 1. Fog. High 66°19°, low 48°9°. Typical 73°23° / 44°7°. Rain 0.32 in8.1 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 49°9°
  30% chance · 0.2 in5 mm
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  30% chance · 0.05 in1.4 mm
3. Evening
  6 PM–midnight
  Clear, 56°13°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–70°21°
Low, likely
37°3°–60°16°
Typical high / low
73°23° / 44°7°
Wind
12 mph19 km/h, gusts 20 mph33 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 69°, low 52°.
Tomorrow
Dry, high 72°, low 52°, warming up.
Sunday
Dry, high 76°, low 54°, warming up.
Rest of week
Mostly dry, highs 64–74°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (STO) (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 Joaquin River at Mossdale Bridge

9.0 mi

Below flood stage

Level: 5.8 ft
Flow: 1,230 cfs

Forecast peak 5.9 ft Sat 9 PM

Reading from Fri 10 AM · NWS gauge page

San Joaquin River at Vernalis

11 mi

Below flood stage

Level: 9.0 ft
Flow: 1,670 cfs

Forecast peak 10.0 ft Sat 8 PM

Reading from Fri 9:45 AM · NWS gauge page

Old River at Clifton Court Intake

8.9 mi

Flow: 3,645 cfs

Reading from Fri 9:45 AM · NWS gauge page

Italian Slough Headwater near Byron

11 mi

Level: 3.9 ft

Reading from Fri 9:30 AM · NWS gauge page

For your home

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

Heating this week

About 65% less heating than a typical week.

This week 11Typical 32

Heating degree days, base 65°F

Comfort

Comfortable, non-humid air (dew point 59°F).

Open the windows?

Today, 12:00 PM–10:00 PM

Good stretch to open the windows.

Is this typical?

TRACY CARBONA · official normals 1991–2020 · records 1949–2026

Oct 23, today vs a typical year

Today’s expected high is 7°4° colder than typical.

Last 7 days vs normal

—SatOct 17
—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 10 h 55 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 22 min less
Golden hour: 5:41–6:33 PM; Morning 7:05–7:58 AM
Blue hour: 6:33–6:44 PM; Morning 6:55–7:05 AM; first light 6:55 AM

Stars tonight? Good

Clear 6:44 PM–6:56 AM; moon 96% lit, sets 5:44 AM.

Moon

Waxing gibbous

93% lit · growing

Today: sets 4:37 AM · rises 4:49 PM
Full moon: Oct 25
New moon: Nov 8

Looking southwest from Tracy. The highest point on the skyline is about 3,600 ft, 15 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.