Now

67°

21%

12 mph

17:00

67°

20%

11 mph

18:00

65°

20%

11 mph

19:00

63°

22%

11 mph

20:00

60°

26%

8 mph

21:00

58°

30%

7 mph

22:00

58°

30%

8 mph

23:00

57°

32%

7 mph

00:00

56°

31%

8 mph

01:00

56°

31%

8 mph

02:00

56°

19%

9 mph

03:00

58°

28%

8 mph

04:00

58°

24%

8 mph

05:00

58°

28%

7 mph

06:00

58°

28%

7 mph

07:00

58°

28%

7 mph

08:00

59°

26%

8 mph

09:00

61°

23%

9 mph

10:00

63°

19%

10 mph

11:00

65°

17%

10 mph

12:00

67°

13%

11 mph

13:00

70°

10%

11 mph

14:00

71°

12%

12 mph

15:00

71°

11%

13 mph

10-day forecast

Updated 4:38 PM

Thu · Today · 20 Aug Mostly cloudy

67° 54° 36%

Fri · Tomorrow · 21 Aug Mostly cloudy

72° 56° 15%

Saturday · 22 Aug Sunny

78° 58° 4%

Sunday · 23 Aug Mostly cloudy

74° 59° 9%

Monday · 24 Aug Sunny

72° 59° 9%

Tuesday · 25 Aug Mostly cloudy

70° 58° 11%

Wednesday · 26 Aug Mostly cloudy

70° 57° 14%

Thursday · 27 Aug Sunny

76° 58° 4%

Friday · 28 Aug Sunny

71° 58° 5%

Saturday · 29 Aug Sunny

73° 58° 5%

Details & indices

Wind

12 mph SW

Gusts 15 mph

Humidity

76%

Dew point 59°

Pressure

29.94 inHg

Rising

UV index

9 — Very high

High today

Air Quality

Good

AQI 31 · US EPA

Allergy

High

Mugwort

Visibility

6 mi

Clear view

Allergy — Montalvin

🌿 Conditions right now

View all →

Birch

None

Grass

Moderate

Oak

None

Alder

None

Hazel

None

Mugwort

High

Ragweed

Low

Sun & moon

Sunrise6:28 AM

Sunset7:56 PM

Length of day13h 28m

Moonrise3:00 PM

Moonset—

Moon phase🌓 First Quarter · 58%

Next full moonAug 27 Sturgeon Moon

Latitude37.9955°N

Longitude-122.3328°E

Water temps nearby

View all →

Stinson Beach (18 mi)60°

🌤️No rain expected in the next 90 minutes

Now+30+60+90 min

Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast

Laundry day

Poor

Line-drying weather

Grilling

Great

Fire up the grill

Running

Fair

Lace up outside

Patio

Fair

Dinner outdoors

Nearby places in {{REGION}}

Data sources · Thursday, August 20

Where the Montalvin forecast comes from

This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 37.9955°N, -122.3328°.

NBM + global weather models

Updated: 4:38 PM

Weather in Montalvin

Over the next 10 days Montalvin tops out around 78° (Saturday) and dips to 54° on the coolest night (Thursday). Essentially no rain is in the forecast — expect a dry stretch. Heads up: 2 NWS alerts are active right now, including a Small Craft Advisory — details on the alerts tab. Right now Montalvin is running about 11° warmer than Santa Rosa. Longer view: Mediterranean pattern — nearly all rain lands November through March.

Montalvin, CA · Elev 69 ft · 38.00°N, 122.33°W · California · Forecast computed for these exact coordinates

Montalvin, CA Weather

Weather map — Montalvin

Today · Thu 8/20

Tonight · Thu 8/20

Tomorrow · Fri 8/21

7-day trend

10-day forecast

Details & indices

🌿 Conditions right now

Sun & moon

Water temps nearby

Daily planner