ARROYO GRANDE, CA 93421 Weather Forecast & Current Conditions

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SAN LUIS OBISPO, CA
Current Weather

7:56 AM PDT JUL 16, 2025
Overcast
57°F
Feels Like: 58°F
Dewpoint: 54°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: S at 3 mph
Pressure: 29.98 inches
Last 72 hours

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ARROYO GRANDE, CA 93421
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs from the lower to mid 60s at the beaches to the lower to mid 70s inland. North winds 15 to 25 mph.
TONIGHT
Clear. Lows in the mid 40s to mid 50s. North winds 15 to 25 mph.
WEDNESDAY
Sunny. Highs from the lower to mid 70s at the beaches to the mid 80s to around 90 inland. North winds 15 to 25 mph.
WEDNESDAY NIGHT
Clear. Lows in the mid 50s to mid 60s. Northeast winds 15 to 25 mph.
THURSDAY
Sunny. Highs from the mid 70s to around 80 at the beaches to the mid 80s to mid 90s inland. Northeast winds 15 to 25 mph shifting to the southwest in the afternoon.
THURSDAY NIGHT
Mostly clear. Lows in the mid 50s to mid 60s.
FRIDAY
Partly cloudy. Highs from the lower to mid 70s at the beaches to the mid 80s to around 90 inland.
FRIDAY NIGHT
Partly cloudy. Lows in the upper 40s to mid 50s.
SATURDAY
Sunny. Highs from the mid to upper 60s at the beaches to the mid 70s to around 80 inland.
SATURDAY NIGHT
Mostly clear. Lows in the mid 40s to mid 50s.
SUNDAY
Sunny. Highs from the upper 50s to mid 60s at the beaches to the upper 60s to mid 70s inland.
SUNDAY NIGHT
Mostly clear. Lows in the upper 30s and 40s.
MONDAY
Sunny. Highs in the mid 50s to mid 60s.

Visible Weather Satellite
ARROYO GRANDE, CA 93421
Infrared Weather Satellite
ARROYO GRANDE, CA 93421
NEXRAD Weather Radar
ARROYO GRANDE, CA 93421

SAN LUIS OBISPO, CA 3 hourly weather forecast

weather forecast created  8:00 PM EDT  7/15/2025
Wednesday
16 JUL 2025
ARROYO GRANDE, CA 93421 weather forecast Day 1, 0 hours 11 PM 57° 58° Mostly Cloudy 1%

0% Thunder
( 0% severe)
W   1 90% 54°
Low 55° ARROYO GRANDE, CA 93421 weather forecast Day 1, 3 hours 2 AM 56° 56° Mostly Cloudy   CALM 93% 54°
High 71° ARROYO GRANDE, CA 93421 weather forecast Day 1, 6 hours 5 AM 56° 56° Mostly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 96% 55°

Mostly Cloudy



ARROYO GRANDE, CA 93421 weather forecast Day 1, 9 hours 8 AM 57° 58° Mostly Cloudy S   1 93% 55°
ARROYO GRANDE, CA 93421 weather forecast Day 1, 12 hours 11 AM 63° 64° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSW   5 75% 55°
ARROYO GRANDE, CA 93421 weather forecast Day 1, 15 hours 2 PM 70° 70° Partly Cloudy SW   8 59% 55°
ARROYO GRANDE, CA 93421 weather forecast Day 1, 18 hours 5 PM 68° 68° Clear 1%

0% Thunder
( 0% severe)
WSW   9 63% 55°
ARROYO GRANDE, CA 93421 weather forecast Day 1, 21 hours 8 PM 60° 60° Partly Cloudy WNW   5 78% 53°
Thursday
17 JUL 2025
ARROYO GRANDE, CA 93421 weather forecast Day 2, 0 hours 11 PM 56° 56° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NNW   1 93% 54°
Low 54° ARROYO GRANDE, CA 93421 weather forecast Day 2, 3 hours 2 AM 56° 56° Mostly Cloudy   CALM 93% 54°
High 72° ARROYO GRANDE, CA 93421 weather forecast Day 2, 6 hours 5 AM 55° 55° Mostly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 96% 54°

Decreasing Clouds



ARROYO GRANDE, CA 93421 weather forecast Day 2, 9 hours 8 AM 56° 56° Mostly Cloudy   CALM 96% 55°
ARROYO GRANDE, CA 93421 weather forecast Day 2, 12 hours 11 AM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   3 73% 56°
ARROYO GRANDE, CA 93421 weather forecast Day 2, 15 hours 2 PM 71° 71° Clear WSW   8 57% 55°
ARROYO GRANDE, CA 93421 weather forecast Day 2, 18 hours 5 PM 68° 68° Clear 0%

0% Thunder
( 0% severe)
W   9 63% 55°
ARROYO GRANDE, CA 93421 weather forecast Day 2, 21 hours 8 PM 59° 58° Partly Cloudy W   6 80% 53°

SAN LUIS OBISPO, CA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
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Low 56° Low 56° Low 57° Low 53° Low 56°
High 75° High 74° High 76° High 77° High 77°
ARROYO GRANDE, CA 93421 weather forecast Day 3 ARROYO GRANDE, CA 93421 weather forecast Day 4 ARROYO GRANDE, CA 93421 weather forecast Day 5 ARROYO GRANDE, CA 93421 weather forecast Day 6 ARROYO GRANDE, CA 93421 weather forecast Day 7
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
2% Rain
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