Model estimate for 9:00 AM PDT (no recent station report)

Williams, CA weather

Sunny and 54°12°.

Mostly agree

Now 54°12°

Sunny

Wind: 10 mph16 km/hgusts 19 mph31 km/h; From the north-northwest. Up to 10 mph16 km/h through 9 PM
Dew point: 38°3°; Comfortable · up to 48°9° by 7 PM
UV index: 0Low; Moderate 12–4 PM · peak 4
Air quality: 21Good; Main pollutant: PM2.5 (fine particles)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Above 60°16° today by 11 AM
High 74°23° today at 5 PM
Below 60°16° tonight after 9 PM
Low 43°6° tomorrow at 7 AM

This morningUp to 62°17° by 11 AM · Clear
This afternoonUp to 74°23° by 5 PM · Clear
TonightDown to 45°7° by 4 AM · Partly cloudy
Tomorrow morningUp to 58°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 73°23° by 5 PM · Mostly cloudy
Tomorrow nightDown to 45°7° by 5 AM · Clear
Monday morningNear 44°7° · 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 9a	Sunny	54°12° (likely 54°12° to 60°16°)	54°12°	0%	10 mph16 km/h from NNW, gusts 19 mph31 km/h	55%	0%	0
Sat 10a	Sunny	58°14° (likely 58°14° to 64°18°)	58°14°	0%	10 mph16 km/h from N, gusts 22 mph35 km/h	46%	0%	1
Sat 11a	Sunny	62°17° (likely 62°17° to 68°20°)	62°17°	0%	10 mph16 km/h from N, gusts 21 mph33 km/h	41%	0%	2
Sat 12p	Sunny	64°18° (likely 64°18° to 71°22°)	64°18°	0%	10 mph16 km/h from N, gusts 19 mph31 km/h	37%	0%	4
Sat 1p	Sunny	67°19° (likely 67°19° to 74°23°)	67°19°	0%	8 mph13 km/h from N, gusts 16 mph26 km/h	32%	0%	4
Sat 2p	Sunny	71°22° (likely 71°22° to 76°24°)	71°22°	0%	7 mph11 km/h from N, gusts 13 mph20 km/h	28%	1%	4
Sat 3p	Sunny	71°22° (likely 71°22° to 77°25°)	71°22°	0%	5 mph8 km/h from N, gusts 9 mph14 km/h	27%	0%	3
Sat 4p	Sunny	72°22° (likely 72°22° to 77°25°)	72°22°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	27%	0%	2
Sat 5p	Sunny	74°23° (likely 73°23° to 76°24°)	74°23°	0%	1 mph2 km/h from NNE, gusts 7 mph11 km/h	29%	0%	2
Sat 6p	Clear	70°21° (likely 68°20° to 72°22°)	70°21°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	41%	0%	0
Sat 7p	Clear	65°18° (likely 63°17° to 66°19°)	65°18°	0%	2 mph3 km/h from SSE, gusts 9 mph14 km/h	54%	0%	0
Sat 8p	Clear	62°17° (likely 59°15° to 62°17°)	62°17°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	64%	2%	0
Sat 9p	Clear	57°14° (likely 56°13° to 60°16°)	57°14°	0%	1 mph2 km/h from S, gusts 9 mph14 km/h	68%	37%	0
Sat 10p	Clear	54°12° (likely 53°12° to 58°14°)	54°12°	0%	1 mph2 km/h from S, gusts 8 mph12 km/h	73%	40%	0
Sat 11p	Clear	53°12° (likely 51°11° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 6 mph10 km/h	75%	40%	0
Sun 12a	Clear	51°11° (likely 49°9° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 7 mph11 km/h	78%	37%	0
Sun 1a	Clear	49°9° (likely 47°8° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 7 mph11 km/h	83%	41%	0
Sun 2a	Clear	49°9° (likely 46°8° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 6 mph9 km/h	86%	41%	0
Sun 3a	Clear	47°8° (likely 45°7° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	88%	43%	0
Sun 4a	Cloudy	45°7° (likely 44°7° to 51°11°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	60%	0
Sun 5a	Mostly clear	45°7° (likely 43°6° to 50°10°)	45°7°	0%	1 mph2 km/h from NNW, gusts 3 mph4 km/h	92%	64%	0
Sun 6a	Mostly clear	45°7° (likely 42°6° to 49°9°)	45°7°	0%	1 mph2 km/h from NNW, gusts 2 mph3 km/h	93%	67%	0
Sun 7a	Mostly sunny	43°6° (likely 41°5° to 49°9°)	43°6°	0%	1 mph2 km/h from NNW, gusts 3 mph4 km/h	94%	70%	0
Sun 8a	Cloudy	45°7° (likely 41°5° to 50°10°)	45°7°	0%	2 mph3 km/h from NNW, gusts 3 mph4 km/h	94%	72%	0
Sun 9a	Mostly sunny	49°9° (likely 45°7° to 54°12°)	49°9°	0%	2 mph3 km/h from NNW, gusts 2 mph3 km/h	81%	68%	1
Sun 10a	Mostly sunny	54°12° (likely 52°11° to 59°15°)	54°12°	0%	2 mph3 km/h from NNW, gusts 4 mph7 km/h	74%	65%	2
Sun 11a	Cloudy	58°14° (likely 58°14° to 64°18°)	58°14°	0%	3 mph5 km/h from NNE, gusts 4 mph6 km/h	67%	75%	3
Sun 12p	Cloudy	60°16° (likely 60°16° to 67°19°)	60°16°	0%	3 mph5 km/h from NNE, gusts 3 mph5 km/h	65%	77%	3
Sun 1p	Cloudy	64°18° (likely 64°18° to 70°21°)	64°18°	0%	3 mph5 km/h from NNE, gusts 3 mph4 km/h	58%	81%	4
Sun 2p	Cloudy	67°19° (likely 67°19° to 72°22°)	67°19°	0%	3 mph5 km/h from SE, gusts 7 mph11 km/h	54%	86%	4
Sun 3p	Cloudy	68°20° (likely 68°20° to 73°23°)	68°20°	0%	3 mph5 km/h from SE, gusts 10 mph16 km/h	53%	85%	3
Sun 4p	Cloudy	69°21° (likely 69°21° to 73°23°)	69°21°	0%	3 mph5 km/h from SE, gusts 12 mph20 km/h	53%	86%	2
Sun 5p	Cloudy	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SE, gusts 15 mph24 km/h	48%	87%	1
Sun 6p	Cloudy	69°21° (likely 67°19° to 69°21°)	69°21°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	57%	84%	0
Sun 7p	Cloudy	66°19° (likely 64°18° to 66°19°)	66°19°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	66%	79%	0
Sun 8p	Partly cloudy	63°17° (likely 61°16° to 64°18°)	63°17°	0%	2 mph3 km/h from SSE, gusts 9 mph15 km/h	74%	56%	0
Sun 9p	Partly cloudy	59°15° (likely 58°14° to 62°17°)	59°15°	0%	2 mph3 km/h from SSE, gusts 8 mph13 km/h	78%	25%	0
Sun 10p	Clear	57°14° (likely 55°13° to 61°16°)	57°14°	0%	2 mph3 km/h from SSE, gusts 8 mph12 km/h	80%	7%	0
Sun 11p	Clear	54°12° (likely 52°11° to 59°15°)	54°12°	0%	2 mph3 km/h from S, gusts 8 mph12 km/h	82%	0%	0
Mon 12a	Clear	52°11° (likely 50°10° to 57°14°)	52°11°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	85%	0%	0
Mon 1a	Clear	50°10° (likely 47°8° to 55°13°)	50°10°	0%	2 mph3 km/h from S, gusts 11 mph18 km/h	88%	0%	0
Mon 2a	Clear	49°9° (likely 45°7° to 53°12°)	49°9°	0%	2 mph3 km/h from S, gusts 12 mph20 km/h	91%	0%	0
Mon 3a	Clear	48°9° (likely 44°7° to 52°11°)	48°9°	0%	2 mph3 km/h from S, gusts 11 mph18 km/h	93%	5%	0
Mon 4a	Clear	46°8° (likely 43°6° to 51°11°)	46°8°	0%	2 mph3 km/h from S, gusts 11 mph18 km/h	95%	10%	0
Mon 5a	Clear	45°7° (likely 42°6° to 51°11°)	45°7°	0%	2 mph3 km/h from SSW, gusts 8 mph13 km/h	97%	15%	0
Mon 6a	Clear	44°7° (likely 36°2° to 51°11°)	44°7°	0%	2 mph3 km/h from SSW, gusts 5 mph7 km/h	100%	19%	0
Mon 7a	Sunny	43°6° (likely 34°1° to 50°10°)	43°6°	0%	2 mph3 km/h from SSW, gusts 4 mph7 km/h	100%	19%	0
Mon 8a	Mostly sunny	43°6° (likely 33°1° to 50°10°)	43°6°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	100%	41%	0

Days ahead

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

Today, Oct 24. Sunny. High 74°23°, low 43°6°. Typical 75°24° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 62°17°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Official NWS forecast
Today: Sunny, with a high near 74. North wind 1 to 10 mph, with gusts as high as 25 mph.
Tonight: Mostly clear. Low around 43, with temperatures rising to around 45 overnight. South southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–77°25°
Low, likely
43°6°–54°12°
Typical high / low
75°24° / 46°8°
Wind
19 mph30 km/h, gusts 28 mph45 km/h
UV peak
5
Tomorrow, Oct 25. Partly sunny. High 73°23°, low 43°6°. Typical 75°24° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 73. Northeast wind 1 to 5 mph.
Night: Partly cloudy, with a low around 43. South wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–73°23°
Low, likely
41°5°–49°9°
Typical high / low
75°24° / 46°8°
Wind
10 mph17 km/h, gusts 18 mph28 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 72°22°, low 43°6°. Typical 74°23° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  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.
Official NWS forecast
Day: Sunny, with a high near 72. Southwest wind 1 to 5 mph.
Night: Mostly clear, with a low around 43.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–72°22°
Low, likely
38°3°–49°9°
Typical high / low
74°23° / 46°8°
Wind
15 mph24 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 70°21°, low 43°6°. Typical 74°23° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  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, 46°8°
  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 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
41°5°–49°9°
Typical high / low
74°23° / 46°8°
Wind
9 mph14 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 68°20°, low 43°6°. Typical 73°23° / 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Partly cloudy, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
39°4°–50°10°
Typical high / low
73°23° / 45°7°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 66°19°, low 43°6°. Typical 73°23° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  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 66.
Night: A chance of rain. Partly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–71°22°
Low, likely
43°6°–50°10°
Typical high / low
73°23° / 45°7°
Wind
15 mph25 km/h, gusts 27 mph44 km/h
UV peak
3
Friday, Oct 30. Rain. High 64°18°, low 42°6°. Typical 72°22° / 45°7°. Rain, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 64.
Night: A slight chance of rain. Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–67°19°
Low, likely
38°3°–47°8°
Typical high / low
72°22° / 45°7°
Wind
15 mph24 km/h, gusts 27 mph44 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 65°18°, low 42°6°. Typical 72°22° / 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°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
33°1°–46°8°
Typical high / low
72°22° / 45°7°
Wind
12 mph19 km/h, gusts 25 mph40 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 68°20°, low 44°7°. Typical 71°22° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  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, 46°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
64°18°–74°23°
Low, likely
42°6°–46°8°
Typical high / low
71°22° / 44°7°
Wind
18 mph29 km/h, gusts 29 mph47 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 66°19°, low 48°9°. Typical 71°22° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 56°13°
  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°–72°22°
Low, likely
43°6°–54°12°
Typical high / low
71°22° / 44°7°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 74°, low 43°.
Tomorrow
Dry, high 73°, low 43°.
Monday
Dry, high 72°, low 43°.
Rest of week
Mostly dry, highs 64–70°.

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

Sacramento River at Colusa Bridge

8.7 mi

Below flood stage

Level: 40.4 ft
Flow: 5,050 cfs

Forecast peak 40.4 ft Sat 9 AM

Reading from Sat 7:45 AM · NWS gauge page

Sacramento River at Colusa Weir

9.8 mi

Below flood stage

Level: 59.5 ft

Forecast peak 60.8 ft Sat 9 AM

Reading from Sat 8 AM · NWS gauge page

Sacramento River at Moulton Weir

14 mi

Below flood stage

Level: 73.2 ft

Forecast peak 76.1 ft Sat 9 AM

Reading from Sat 7:45 AM · NWS gauge page

Cache Creek at Rumsey Bridge

19 mi

Below flood stage

Level: 1.3 ft
Flow: 48 cfs

Forecast peak 1.3 ft Sat 10 AM

Reading from Sat 7:45 AM · NWS gauge page

For your home

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

Heating this week

About 51% less heating than a typical week.

This week 19Typical 38

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 11
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 38°F).

Open the windows?

Today, 11:00 AM–8:00 PM

Good stretch to open the windows.

Is this typical?

Colusa 2 Ssw · official normals 1991–2020 · records 1948–2025

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

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

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

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 25 min less
Golden hour: 5:40–6:33 PM; Morning 7:10–8:04 AM
Blue hour: 6:33–6:44 PM; Morning 7:00–7:10 AM; first light 7:00 AM

Stars tonight? Fair

Mostly clear 6:44–9 PM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:48 AM · rises 5:17 PM
Full moon: Oct 25
New moon: Nov 8

Looking west from Williams. The highest point on the skyline is about 8,000 ft, 72 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Williams, 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 River at Colusa Bridge

Sacramento River at Colusa Weir

Sacramento River at Moulton Weir

Cache Creek at Rumsey Bridge

For your home

Heating this week

Heat-pump hours, next 7 days

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