HALCYON, CA 93420 Weather Forecast & Current Conditions

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SAN LUIS OBISPO, CA
Current Weather

9:56 PM PDT JUN 8, 2026
Clear
55°F
Feels Like: 53°F
Dewpoint: 52°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: NW at 9 mph
Pressure: 29.97 inches
Last 72 hours

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HALCYON, CA 93420
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
HALCYON, CA 93420
Infrared Weather Satellite
HALCYON, CA 93420
NEXRAD Weather Radar
HALCYON, CA 93420

SAN LUIS OBISPO, CA 3 hourly weather forecast

weather forecast created  8:00 PM EDT  6/ 8/2026
Tuesday
9 JUN 2026
HALCYON, CA 93420 weather forecast Day 1, 0 hours 11 PM 57° 55° Partly Cloudy 1%

0% Thunder
( 0% severe)
NW   10 86% 53°
Low 54° HALCYON, CA 93420 weather forecast Day 1, 3 hours 2 AM 56° 55° Partly Cloudy NW   6 90% 53°
High 76° HALCYON, CA 93420 weather forecast Day 1, 6 hours 5 AM 55° 54° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   5 96% 54°

Partly Cloudy



HALCYON, CA 93420 weather forecast Day 1, 9 hours 8 AM 59° 58° Partly Cloudy NNW   6 87% 55°
HALCYON, CA 93420 weather forecast Day 1, 12 hours 11 AM 71° 71° Clear 0%

0% Thunder
( 0% severe)
NW   12 61% 57°
HALCYON, CA 93420 weather forecast Day 1, 15 hours 2 PM 74° 74° Clear NW   21 59% 59°
HALCYON, CA 93420 weather forecast Day 1, 18 hours 5 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
NW   21 66% 59°
HALCYON, CA 93420 weather forecast Day 1, 21 hours 8 PM 63° 62° Clear NW   13 81% 57°
Wednesday
10 JUN 2026
HALCYON, CA 93420 weather forecast Day 2, 0 hours 11 PM 59° 58° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   8 87% 55°
Low 57° HALCYON, CA 93420 weather forecast Day 2, 3 hours 2 AM 59° 58° Partly Cloudy NNW   6 83% 54°
High 86° HALCYON, CA 93420 weather forecast Day 2, 6 hours 5 AM 57° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   6 86% 53°

Clear



HALCYON, CA 93420 weather forecast Day 2, 9 hours 8 AM 62° 62° Clear NNE   5 78% 55°
HALCYON, CA 93420 weather forecast Day 2, 12 hours 11 AM 79° 79° Clear 0%

0% Thunder
( 0% severe)
N   8 39% 52°
HALCYON, CA 93420 weather forecast Day 2, 15 hours 2 PM 83° 82° Clear NW   12 34% 52°
HALCYON, CA 93420 weather forecast Day 2, 18 hours 5 PM 78° 79° Clear 0%

0% Thunder
( 0% severe)
WNW   13 45% 55°
HALCYON, CA 93420 weather forecast Day 2, 21 hours 8 PM 67° 67° Clear W   5 68% 56°

SAN LUIS OBISPO, 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 53° Low 55° Low 55° Low 56° Low 55°
High 83° High 76° High 80° High 79° High 73°
HALCYON, CA 93420 weather forecast Day 3 HALCYON, CA 93420 weather forecast Day 4 HALCYON, CA 93420 weather forecast Day 5 HALCYON, CA 93420 weather forecast Day 6 HALCYON, CA 93420 weather forecast Day 7
Clear
1% Rain
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
1% Rain
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