GUASTI, CA 91743 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


ONTARIO, CA
Current Weather

9:53 PM PDT JUN 8, 2026
Scattered Clouds
66°F
Feels Like: 66°F
Dewpoint: 55°F
Rel. Hum.: 68%
Visibility: 10 miles
Wind: WSW at 9 mph
Pressure: 29.91 inches
Last 72 hours

Local Area Snow Depth

California Current Weather

California MOS Forecast Weather


Weather Map


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

GUASTI, CA 91743
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows 53 to 58. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light.
TUESDAY
Mostly sunny. Highs 83 to 89. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
TUESDAY NIGHT
Clear. Lows 57 to 61. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
WEDNESDAY
Mostly sunny. Highs 88 to 96. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
WEDNESDAY NIGHT
Clear. Lows 56 to 62. Areas of winds southwest to 10 mph in the evening becoming light.
THURSDAY
Mostly sunny. Highs 88 to 96.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 61 to 66.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 90 to 97.
FRIDAY NIGHT
Mostly clear. Lows 62 to 67.
SATURDAY
Mostly sunny. Highs 90 to 97.
SATURDAY NIGHT
Clear. Lows 59 to 63.
SUNDAY
Mostly sunny. Highs 88 to 95.
SUNDAY NIGHT
Clear. Lows 58 to 63.

Visible Weather Satellite
GUASTI, CA 91743
Infrared Weather Satellite
GUASTI, CA 91743
NEXRAD Weather Radar
GUASTI, CA 91743

ONTARIO, CA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  6/ 8/2026
Tuesday
9 JUN 2026
GUASTI, CA 91743 weather forecast Day 1, 0 hours 11 PM 64° 64° Clear 0%

0% Thunder
( 0% severe)
WSW   7 73% 55°
Low 58° GUASTI, CA 91743 weather forecast Day 1, 3 hours 2 AM 61° 62° Clear W   3 78% 54°
High 86° GUASTI, CA 91743 weather forecast Day 1, 6 hours 5 AM 59° 60° Clear 0%

0% Thunder
( 0% severe)
  CALM 83% 54°

Clear



GUASTI, CA 91743 weather forecast Day 1, 9 hours 8 AM 63° 64° Partly Cloudy   CALM 75% 55°
GUASTI, CA 91743 weather forecast Day 1, 12 hours 11 AM 74° 74° Clear 0%

0% Thunder
( 0% severe)
SW   6 53% 56°
GUASTI, CA 91743 weather forecast Day 1, 15 hours 2 PM 82° 82° Clear WSW   10 41% 56°
GUASTI, CA 91743 weather forecast Day 1, 18 hours 5 PM 82° 82° Clear 0%

0% Thunder
( 0% severe)
WSW   12 41% 56°
GUASTI, CA 91743 weather forecast Day 1, 21 hours 8 PM 75° 75° Clear WSW   9 52% 56°
Wednesday
10 JUN 2026
GUASTI, CA 91743 weather forecast Day 2, 0 hours 11 PM 68° 68° Clear 0%

0% Thunder
( 0% severe)
W   6 65% 56°
Low 61° GUASTI, CA 91743 weather forecast Day 2, 3 hours 2 AM 64° 66° Clear W   2 78% 57°
High 91° GUASTI, CA 91743 weather forecast Day 2, 6 hours 5 AM 63° 64° Clear 0%

0% Thunder
( 0% severe)
  CALM 81% 57°

Clear



GUASTI, CA 91743 weather forecast Day 2, 9 hours 8 AM 66° 66° Partly Cloudy   CALM 73% 57°
GUASTI, CA 91743 weather forecast Day 2, 12 hours 11 AM 79° 80° Clear 0%

0% Thunder
( 0% severe)
SW   6 49% 58°
GUASTI, CA 91743 weather forecast Day 2, 15 hours 2 PM 88° 87° Clear WSW   10 36% 58°
GUASTI, CA 91743 weather forecast Day 2, 18 hours 5 PM 88° 87° Clear 0%

0% Thunder
( 0% severe)
WSW   13 35% 57°
GUASTI, CA 91743 weather forecast Day 2, 21 hours 8 PM 77° 79° Clear WSW   12 54% 59°

ONTARIO, CA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 62° Low 63° Low 65° Low 66° Low 63°
High 89° High 92° High 96° High 94° High 92°
GUASTI, CA 91743 weather forecast Day 3 GUASTI, CA 91743 weather forecast Day 4 GUASTI, CA 91743 weather forecast Day 5 GUASTI, CA 91743 weather forecast Day 6 GUASTI, CA 91743 weather forecast Day 7
Partly Cloudy
Partly Cloudy
Clear
Partly Cloudy
1% Rain
Partly Cloudy
1% Rain
SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Guasti, CA
Guasti, CA snow
Guasti, CA radar
CA map
-or-
-or-
-or-
 
91743
91743 snow
91743 radar
 
-or-
-or-
 
 
CA
CA snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions