Now

70°

13%

11 mph

01:00

67°

15%

13 mph

02:00

67°

16%

13 mph

03:00

66°

16%

13 mph

04:00

65°

16%

13 mph

05:00

65°

17%

14 mph

06:00

64°

18%

15 mph

07:00

63°

18%

15 mph

08:00

66°

14%

13 mph

09:00

70°

12%

14 mph

10:00

75°

10%

13 mph

11:00

83°

10%

13 mph

12:00

88°

13 mph

13:00

50°

14%

12 mph

14:00

51°

13 mph

15:00

51°

17%

14 mph

16:00

51°

23%

14 mph

17:00

51°

23%

15 mph

18:00

51°

19%

14 mph

19:00

51°

17%

14 mph

20:00

51°

21%

15 mph

21:00

51°

20%

15 mph

22:00

51°

14%

15 mph

23:00

51°

19%

15 mph

10-day forecast

Updated 12:52 AM

Mon · Today · 17 Aug Mostly cloudy

88° 50° 0.03 in

Tue · Tomorrow · 18 Aug Showers

51° 50° 0.03 in

Wednesday · 19 Aug Showers

53° 49° 0.03 in

Thursday · 20 Aug Showers

55° 53° 0.49 in

Friday · 21 Aug Showers

56° 53° 1.43 in

Saturday · 22 Aug Showers

54° 51° 0.04 in

Sunday · 23 Aug Showers

52° 50° 0.02 in

Monday · 24 Aug Showers

53° 52° 0.07 in

Tuesday · 25 Aug Showers

53° 50° 0.24 in

Wednesday · 26 Aug Showers

50° 49° 0.09 in

Details & indices

Wind

13 mph SW

Gusts 24 mph

Humidity

61%

Dew point 54°

Pressure

29.83 inHg

Falling

UV index

8 — Very high

High today

Air Quality

Good

AQI 38 · US EPA

Allergy

High

Mugwort

Visibility

6 mi

Clear view

Allergy — Rosemont

🌿 Conditions right now

View all →

Birch

None

Grass

Moderate

Oak

None

Alder

None

Hazel

None

Mugwort

Moderate

Ragweed

Low

Sun & moon

Sunrise6:21 AM

Sunset7:57 PM

Length of day13h 36m

Moonrise11:50 AM

Moonset10:20 PM

Moon phase🌒 Waxing Crescent · 24%

Next full moonAug 27 Sturgeon Moon

Latitude38.5519°N

Longitude-121.3647°E

Water temps nearby

View all →

No beaches within 50 miles

🌤️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

Fair

Line-drying weather

Grilling

Fair

Fire up the grill

Running

Poor

Lace up outside

Patio

Fair

Dinner outdoors

Nearby places in {{REGION}}

Data sources · Monday, August 17

Where the Rosemont 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: 38.5519°N, -121.3647°.

NBM + global weather models

Updated: 12:52 AM

Weather in Rosemont

The 10-day span for Rosemont runs from a high near 88° on Monday down to 49° overnight on Wednesday. Models drop roughly 2.5 in of precipitation across the stretch — watch Friday (89%). Hold onto the patio furniture Friday: gusts could hit 60 mph. The NWS alert board for this area is currently clear. Right now Rosemont is about 17° cooler than nearby Reno. Longer view: marine climate — mild, showery winters and dry, gentle summers.

Rosemont, CA · Elev 49 ft · 38.55°N, 121.36°W · California · Forecast computed for these exact coordinates

Rosemont, CA Weather (95826)

Weather map — Rosemont

Today · Mon 8/17

Overnight · Mon 8/17

Tomorrow · Tue 8/18

7-day trend

10-day forecast

Details & indices

🌿 Conditions right now

Sun & moon

Water temps nearby

Daily planner