Observed 7:30 AM PDT at KSTS

Graton, CA weather

Foggy and 46°8°.

Mostly agree

Now 46°8°

Fog

Wind: Calm; Up to 5 mph8 km/h through 7 PM
Visibility: 0.3 mi0.5 km; Fog · under 1 mi1.6 km
Dew point: 45°7°; Comfortable · up to 55°13° by 10 AM (a little sticky)
Humidity: 93%; Air 46°8°, dew point 45°7° · fog or dew likely
UV index: 0Low; Moderate 12–4 PM · peak 4
Air quality: 18Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.06 inHg1018 hPa; Rising slowly · +0.04 inHg+1.4 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Fog until 10 AM
Above 60°16° today by 11 AM
High 72°22° today at 3 PM
Below 60°16° tonight after 7 PM
Drops 13°7° tomorrow night 6–9 PM (65°18° → 52°11°)

This morningUp to 60°16° by 11 AM · Partly cloudy
This afternoonUp to 72°22° by 3 PM · Clear
TonightDown to 42°6° by 5 AM · Clear
Tomorrow morningUp to 64°18° by 11 AM · Clear
Tomorrow afternoonUp to 76°24° by 3 PM · Clear
Tomorrow nightDown to 42°6° 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
Fri 7a	Fog	45°7° (likely 45°7° to 51°11°)	45°7°	0%	1 mph2 km/h from NNW, gusts 3 mph4 km/h	100%	52%	0
Fri 8a	Fog	46°8° (likely 46°8° to 52°11°)	46°8°	0%	1 mph2 km/h from NNW, gusts 3 mph5 km/h	100%	55%	0
Fri 9a	Fog	50°10° (likely 50°10° to 55°13°)	50°10°	0%	1 mph2 km/h from N, gusts 5 mph7 km/h	100%	60%	0
Fri 10a	Mostly sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	1 mph2 km/h from N, gusts 6 mph9 km/h	99%	27%	1
Fri 11a	Sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	1 mph2 km/h from NNW, gusts 7 mph12 km/h	88%	10%	2
Fri 12p	Mostly sunny	66°19° (likely 65°18° to 67°19°)	66°19°	0%	1 mph2 km/h from N, gusts 8 mph13 km/h	74%	8%	3
Fri 1p	Sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	1 mph2 km/h from N, gusts 8 mph14 km/h	61%	11%	4
Fri 2p	Sunny	71°22° (likely 68°20° to 72°22°)	71°22°	0%	2 mph3 km/h from NW, gusts 9 mph14 km/h	53%	7%	4
Fri 3p	Sunny	72°22° (likely 69°21° to 74°23°)	73°23°	0%	3 mph5 km/h from WNW, gusts 9 mph14 km/h	49%	6%	3
Fri 4p	Sunny	72°22° (likely 68°20° to 74°23°)	72°22°	0%	5 mph8 km/h from W, gusts 10 mph17 km/h	49%	5%	2
Fri 5p	Sunny	70°21° (likely 67°19° to 71°22°)	70°21°	0%	5 mph8 km/h from W, gusts 10 mph17 km/h	49%	2%	2
Fri 6p	Clear	66°19° (likely 63°17° to 67°19°)	66°19°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	59%	0%	1
Fri 7p	Clear	59°15° (likely 59°15° to 62°17°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	68%	0%	0
Fri 8p	Clear	55°13° (likely 55°13° to 59°15°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	77%	0%	0
Fri 9p	Clear	53°12° (likely 51°11° to 58°14°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	83%	9%	0
Fri 10p	Clear	51°11° (likely 49°9° to 57°14°)	51°11°	0%	1 mph2 km/h from NW, gusts 6 mph10 km/h	84%	11%	0
Fri 11p	Clear	50°10° (likely 47°8° to 56°13°)	50°10°	0%	2 mph3 km/h from WNW, gusts 7 mph12 km/h	84%	11%	0
Sat 12a	Clear	48°9° (likely 46°8° to 55°13°)	49°9°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	82%	10%	0
Sat 1a	Clear	48°9° (likely 45°7° to 54°12°)	48°9°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	76%	9%	0
Sat 2a	Clear	46°8° (likely 44°7° to 53°12°)	46°8°	0%	2 mph3 km/h from WNW, gusts 7 mph11 km/h	74%	9%	0
Sat 3a	Clear	45°7° (likely 43°6° to 53°12°)	45°7°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	73%	9%	0
Sat 4a	Clear	44°7° (likely 42°6° to 53°12°)	44°7°	0%	1 mph2 km/h from NNW, gusts 7 mph12 km/h	72%	9%	0
Sat 5a	Clear	42°6° (likely 41°5° to 52°11°)	43°6°	0%	1 mph2 km/h from NNW, gusts 6 mph10 km/h	71%	9%	0
Sat 6a	Clear	42°6° (likely 40°4° to 51°11°)	42°6°	0%	1 mph2 km/h from NNW, gusts 6 mph9 km/h	73%	8%	0
Sat 7a	Sunny	42°6° (likely 40°4° to 49°9°)	42°6°	0%	1 mph2 km/h from NNW, gusts 3 mph5 km/h	73%	9%	0
Sat 8a	Sunny	42°6° (likely 40°4° to 50°10°)	42°6°	0%	1 mph2 km/h from N, gusts 5 mph8 km/h	73%	9%	0
Sat 9a	Sunny	49°9° (likely 45°7° to 55°13°)	49°9°	0%	1 mph2 km/h from N, gusts 4 mph6 km/h	68%	1%	1
Sat 10a	Sunny	57°14° (likely 55°13° to 63°17°)	57°14°	0%	1 mph2 km/h from N, gusts 5 mph7 km/h	56%	0%	2
Sat 11a	Sunny	64°18° (likely 62°17° to 70°21°)	64°18°	0%	0 mph0 km/h, gusts 4 mph6 km/h	45%	1%	3
Sat 12p	Sunny	70°21° (likely 67°19° to 74°23°)	70°21°	0%	0 mph0 km/h, gusts 5 mph8 km/h	38%	1%	4
Sat 1p	Sunny	73°23° (likely 70°21° to 78°26°)	73°23°	0%	0 mph0 km/h, gusts 6 mph9 km/h	32%	1%	5
Sat 2p	Sunny	75°24° (likely 71°22° to 80°27°)	75°24°	0%	5 mph8 km/h from WSW, gusts 5 mph9 km/h	30%	0%	5
Sat 3p	Sunny	76°24° (likely 71°22° to 79°26°)	76°24°	0%	5 mph8 km/h from WSW, gusts 10 mph16 km/h	30%	10%	4
Sat 4p	Sunny	74°23° (likely 69°21° to 77°25°)	74°23°	0%	5 mph8 km/h from WSW, gusts 11 mph18 km/h	33%	32%	3
Sat 5p	Sunny	70°21° (likely 67°19° to 74°23°)	70°21°	0%	3 mph5 km/h from WSW, gusts 13 mph21 km/h	38%	40%	2
Sat 6p	Clear	65°18° (likely 62°17° to 68°20°)	65°18°	0%	3 mph5 km/h from WSW, gusts 12 mph20 km/h	49%	33%	1
Sat 7p	Clear	59°15° (likely 57°14° to 62°17°)	59°15°	0%	3 mph5 km/h from WSW, gusts 6 mph10 km/h	63%	5%	0
Sat 8p	Clear	52°11° (likely 52°11° to 57°14°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	76%	0%	0
Sat 9p	Clear	49°9° (likely 49°9° to 55°13°)	49°9°	0%	0 mph0 km/h, gusts 4 mph7 km/h	84%	11%	0
Sat 10p	Clear	48°9° (likely 48°9° to 53°12°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	88%	19%	0
Sat 11p	Mostly clear	47°8° (likely 47°8° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	89%	37%	0
Sun 12a	Mostly clear	46°8° (likely 45°7° to 51°11°)	46°8°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	45%	0
Sun 1a	Mostly clear	46°8° (likely 44°7° to 51°11°)	46°8°	0%	0 mph0 km/h, gusts 2 mph3 km/h	88%	60%	0
Sun 2a	Partly cloudy	45°7° (likely 44°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 1 mph2 km/h	87%	60%	0
Sun 3a	Partly cloudy	44°7° (likely 43°6° to 50°10°)	44°7°	0%	0 mph0 km/h, gusts 2 mph3 km/h	88%	56%	0
Sun 4a	Partly cloudy	42°6° (likely 42°6° to 49°9°)	43°6°	0%	0 mph0 km/h, gusts 2 mph3 km/h	88%	55%	0
Sun 5a	Partly cloudy	42°6° (likely 41°5° to 49°9°)	42°6°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	60%	0
Sun 6a	Partly cloudy	40°4° (likely 39°4° to 49°9°)	40°4°	0%	0 mph0 km/h, gusts 2 mph4 km/h	91%	54%	0

Days ahead

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

Today, Oct 23. Fog. High 73°23°, low 42°6°. Typical 75°24° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Today: Areas of fog before 11am. Sunny. High near 73, with temperatures falling to around 70 in the afternoon. Northwest wind 1 to 5 mph.
Tonight: Mostly clear, with a low around 42. Northwest wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
42°6°–51°11°
Typical high / low
75°24° / 47°8°
Wind
9 mph15 km/h
UV peak
5
Tomorrow, Oct 24. Mostly sunny. High 76°24°, low 39°4°. Typical 74°23° / 47°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 42°6°
  Dry
Official NWS forecast
Day: Sunny. High near 76, with temperatures falling to around 70 in the afternoon. West northwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 39. West northwest wind 0 to 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
71°22°–80°27°
Low, likely
39°4°–49°9°
Typical high / low
74°23° / 47°8°
Wind
10 mph15 km/h, gusts 16 mph26 km/h
UV peak
5
Sunday, Oct 25. Partly sunny. High 74°23°, low 41°5°. Typical 74°23° / 47°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 74. West southwest wind 0 to 3 mph.
Night: Areas of fog after 11pm. Partly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
70°21°–76°24°
Low, likely
41°5°–47°8°
Typical high / low
74°23° / 47°8°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
4
Monday, Oct 26. Fog. High 70°21°, low 40°4°. Typical 74°23° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 9am. Mostly sunny, with a high near 70.
Night: Areas of fog after 11pm. Mostly clear, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–70°21°
Low, likely
40°4°–50°10°
Typical high / low
74°23° / 47°8°
Wind
10 mph15 km/h, gusts 22 mph36 km/h
UV peak
4
Tuesday, Oct 27. Fog. High 69°21°, low 41°5°. Typical 73°23° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 9am. Mostly sunny, with a high near 69.
Night: Areas of fog after 10pm. Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
39°4°–47°8°
Typical high / low
73°23° / 47°8°
Wind
11 mph17 km/h, gusts 17 mph27 km/h
UV peak
4
Wednesday, Oct 28. Fog. High 69°21°, low 41°5°. Typical 73°23° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 9am. Partly sunny, with a high near 69.
Night: Areas of fog after 10pm. Partly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–72°22°
Low, likely
39°4°–48°9°
Typical high / low
73°23° / 46°8°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Fog. High 68°20°, low 41°5°. Typical 72°22° / 46°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
  Mostly clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  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 68.
Night: Areas of fog after 10pm. Partly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–68°20°
Low, likely
41°5°–49°9°
Typical high / low
72°22° / 46°8°
Wind
8 mph13 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 67°19°, low 48°9°. Typical 72°22° / 46°8°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 51°10°
  20% chance
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  30% chance · 0.01 in0.3 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
62°17°–72°22°
Low, likely
45°7°–54°12°
Typical high / low
72°22° / 46°8°
Wind
9 mph14 km/h, gusts 15 mph24 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 68°20°, low 50°10°. Typical 72°22° / 46°8°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 60°15°
  30% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 53°12°
  30% chance · 0.17 in4.3 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
64°18°–71°22°
Low, likely
46°8°–53°12°
Typical high / low
72°22° / 46°8°
Wind
9 mph15 km/h
UV peak
4
Sunday, Nov 1. Showers. High 61°16°, low 53°12°. Typical 71°22° / 46°8°. Rain 0.74 in19 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 53°12°
  30% chance · 0.28 in7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 61°16°
  30% chance · 0.08 in1.9 mm
3. Evening
  6 PM–midnight
  Showers, 58°14°
  30% chance · 0.28 in7.1 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
56°13°–66°19°
Low, likely
46°8°–58°14°
Typical high / low
71°22° / 46°8°
Wind
7 mph12 km/h, gusts 18 mph29 km/h

10 days15 days30 days

The outlook

Today
Dry, high 73°, low 42°.
Tomorrow
Dry, high 76°, low 39°, warming up.
Sunday
Dry, high 74°, low 41°.
Rest of week
Mostly dry, highs 61–70°.

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

Laguna de Santa Rosa near Sebastopol

2.2 mi

Below flood stage

Level: 55.5 ft
Flow: 2 cfs

Forecast peak 55.7 ft Fri 10 AM

Reading from Fri 6:30 AM · NWS gauge page

Mark West Creek near Mirabel Heights

4.0 mi

Below flood stage

Level: 38.8 ft
Flow: 2 cfs

Forecast peak 38.8 ft Fri 10 PM

Reading from Fri 6:45 AM · NWS gauge page

Russian River near Guerneville

5.9 mi

Below flood stage

Level: 1.8 ft
Flow: 185 cfs

Forecast peak 1.9 ft Sat 6 AM

Reading from Fri 6:15 AM · NWS gauge page

Santa Rosa Creek at Santa Rosa

7.6 mi

Below flood stage

Level: 23.4 ft
Flow: 2 cfs

Forecast peak 23.1 ft Fri 8 AM

Reading from Fri 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 34% less heating than a typical week.

This week 22Typical 34

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 16
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 3 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 11:00 AM–6:00 PM

Good stretch to open the windows.

Is this typical?

HEALDSBURG · official normals 1991–2020 · records 1897–2026

Oct 23, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

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

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

Sun & moon

Sun

Daylight: 10 h 54 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 25 min less
Golden hour: 5:45–6:38 PM; Morning 7:12–8:05 AM
Blue hour: 6:38–6:49 PM; Morning 7:01–7:12 AM; first light 7:01 AM

Stars tonight? Good

Clear 6:49 PM–7:02 AM; moon 96% lit, sets 5:51 AM.

Moon

Waxing gibbous

92% lit · growing

Today: sets 4:43 AM · rises 4:55 PM
Full moon: Oct 25
New moon: Nov 8

Looking north from Graton. The highest point on the skyline is about 4,700 ft, 26 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Graton, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Laguna de Santa Rosa near Sebastopol

Mark West Creek near Mirabel Heights

Russian River near Guerneville

Santa Rosa Creek at Santa Rosa

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon