ARROYO GRANDE, CA 93421 Weather Forecast & Current Conditions

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SAN LUIS OBISPO, CA
Current Weather

10:56 AM PDT AUG 19, 2025
Clear
Smoke
75°F
Feels Like: 75°F
Dewpoint: 52°F
Rel. Hum.: 45%
Visibility: 10 miles
Wind: Variable at 3 mph
Pressure: 30.04 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 AM EDT  8/19/2025
Tuesday
19 AUG 2025
ARROYO GRANDE, CA 93421 weather forecast Day 1, 12 hours 11 AM 73° 73° Clear 0%

0% Thunder
( 0% severe)
WNW   6 49% 53°
High 78° ARROYO GRANDE, CA 93421 weather forecast Day 1, 15 hours 2 PM 77° 78° Clear NW   15 45% 54°
Clear



ARROYO GRANDE, CA 93421 weather forecast Day 1, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
NW   16 53% 54°
ARROYO GRANDE, CA 93421 weather forecast Day 1, 21 hours 8 PM 61° 60° Partly Cloudy NW   9 78% 54°
Wednesday
20 AUG 2025
ARROYO GRANDE, CA 93421 weather forecast Day 2, 0 hours 11 PM 58° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   8 87% 54°
Low 56° ARROYO GRANDE, CA 93421 weather forecast Day 2, 3 hours 2 AM 58° 57° Partly Cloudy NW   7 80% 52°
High 84° ARROYO GRANDE, CA 93421 weather forecast Day 2, 6 hours 5 AM 57° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   6 80% 51°

Partly Cloudy



ARROYO GRANDE, CA 93421 weather forecast Day 2, 9 hours 8 AM 60° 59° Partly Cloudy NNW   7 75% 52°
ARROYO GRANDE, CA 93421 weather forecast Day 2, 12 hours 11 AM 76° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   6 43% 52°
ARROYO GRANDE, CA 93421 weather forecast Day 2, 15 hours 2 PM 81° 80° Clear NW   12 37% 52°
ARROYO GRANDE, CA 93421 weather forecast Day 2, 18 hours 5 PM 76° 78° Clear 0%

0% Thunder
( 0% severe)
NW   15 43% 52°
ARROYO GRANDE, CA 93421 weather forecast Day 2, 21 hours 8 PM 64° 64° Partly Cloudy NW   9 67% 53°
Thursday
21 AUG 2025
ARROYO GRANDE, CA 93421 weather forecast Day 3, 0 hours 11 PM 63° 62° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   10 67% 52°
Low 59° ARROYO GRANDE, CA 93421 weather forecast Day 3, 3 hours 2 AM 62° 61° Mostly Cloudy N   8 67% 51°
High 88° ARROYO GRANDE, CA 93421 weather forecast Day 3, 6 hours 5 AM 61° 61° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   6 67% 50°

Mostly Cloudy



ARROYO GRANDE, CA 93421 weather forecast Day 3, 9 hours 8 AM 63° 63° Mostly Cloudy NNE   6 67% 52°
ARROYO GRANDE, CA 93421 weather forecast Day 3, 15 hours 11 AM 81° 80° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   5 37% 52°
ARROYO GRANDE, CA 93421 weather forecast Day 3, 18 hours 2 PM 84° 82° Partly Cloudy WNW   9 34% 53°
ARROYO GRANDE, CA 93421 weather forecast Day 3, 21 hours 5 PM 79° 79° Partly Cloudy     W   10 42% 54°

SAN LUIS OBISPO, CA extended weather forecast

Friday
22 AUG 2025
Saturday
23 AUG 2025
Sunday
24 AUG 2025
Monday
25 AUG 2025
Tuesday
26 AUG 2025
Low 57° Low 57° Low 57° Low 57° Low 56°
High 85° High 81° High 81° High 78° High 78°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
1% Rain
Mostly Cloudy
7% Rain
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