BOSTONIA, CA 92021 Weather Forecast & Current Conditions

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SAN DIEGO, CA
Current Weather

8:53 AM PDT MAY 30, 2026
Few Clouds
64°F
Feels Like: 65°F
Dewpoint: 54°F
Rel. Hum.: 70%
Visibility: 10 miles
Wind: W at 5 mph
Pressure: 30.03 inches
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BOSTONIA, CA 92021
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny, warmer. Highs 74 to 79. Areas of winds west to 10 mph.
TONIGHT
Clear in the evening...becoming partly cloudy. Lows 53 to 56. Areas of winds west to 10 mph in the evening becoming light.
SUNDAY
Mostly sunny. Highs 78 to 82 in the western valleys to 80 to 85 near the foothills. Areas of winds west to 10 mph... Becoming 10 to 15 mph in the afternoon.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 56 to 59. Areas of winds west to 10 mph in the evening becoming light.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 76 to 80 in the western valleys to 79 to 84 near the foothills. Areas of winds west to 10 mph.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 54 to 57.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 79 in the western valleys to 79 to 84 near the foothills.
TUESDAY NIGHT
Mostly clear. Lows 53 to 56.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 78 in the western valleys to 80 to 85 near the foothills.
WEDNESDAY NIGHT
Mostly clear. Lows 54 to 57.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 76 to 79 in the western valleys to 81 to 86 near the foothills.
THURSDAY NIGHT
Mostly clear. Lows 55 to 58.
FRIDAY
Partly cloudy. Highs 75 to 78 in the western valleys to 79 to 84 near the foothills.

Visible Weather Satellite
BOSTONIA, CA 92021
Infrared Weather Satellite
BOSTONIA, CA 92021
NEXRAD Weather Radar
BOSTONIA, CA 92021

SAN DIEGO, CA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/29/2026
Saturday
30 MAY 2026
BOSTONIA, CA 92021 weather forecast Day 1, 0 hours 11 PM 60° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   6 81% 54°
Low 56° BOSTONIA, CA 92021 weather forecast Day 1, 3 hours 2 AM 58° 59° Partly Cloudy   CALM 87% 54°
High 73° BOSTONIA, CA 92021 weather forecast Day 1, 6 hours 5 AM 57° 58° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 90% 54°

Partly Cloudy



BOSTONIA, CA 92021 weather forecast Day 1, 9 hours 8 AM 61° 62° Partly Cloudy   CALM 78% 54°
BOSTONIA, CA 92021 weather forecast Day 1, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   7 63% 55°
BOSTONIA, CA 92021 weather forecast Day 1, 15 hours 2 PM 71° 71° Clear W   10 59% 56°
BOSTONIA, CA 92021 weather forecast Day 1, 18 hours 5 PM 70° 70° Clear 0%

0% Thunder
( 0% severe)
WNW   10 63% 57°
BOSTONIA, CA 92021 weather forecast Day 1, 21 hours 8 PM 63° 63° Clear WNW   8 84% 58°
Sunday
31 MAY 2026
BOSTONIA, CA 92021 weather forecast Day 2, 0 hours 11 PM 61° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   3 90% 58°
Low 59° BOSTONIA, CA 92021 weather forecast Day 2, 3 hours 2 AM 60° 61° Mostly Cloudy   CALM 90% 57°
High 76° BOSTONIA, CA 92021 weather forecast Day 2, 6 hours 5 AM 59° 60° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 93% 57°

Decreasing Clouds



BOSTONIA, CA 92021 weather forecast Day 2, 9 hours 8 AM 62° 63° Mostly Cloudy   CALM 84% 57°
BOSTONIA, CA 92021 weather forecast Day 2, 12 hours 11 AM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 64% 59°
BOSTONIA, CA 92021 weather forecast Day 2, 15 hours 2 PM 75° 75° Clear W   9 55% 58°
BOSTONIA, CA 92021 weather forecast Day 2, 18 hours 5 PM 73° 73° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   8 59% 58°
BOSTONIA, CA 92021 weather forecast Day 2, 21 hours 8 PM 65° 65° Partly Cloudy W   6 81% 59°

SAN DIEGO, CA extended weather forecast

Monday
1 JUN 2026
Tuesday
2 JUN 2026
Wednesday
3 JUN 2026
Thursday
4 JUN 2026
Friday
5 JUN 2026
Low 60° Low 60° Low 60° Low 60° Low 61°
High 74° High 75° High 74° High 74° High 71°
BOSTONIA, CA 92021 weather forecast Day 3 BOSTONIA, CA 92021 weather forecast Day 4 BOSTONIA, CA 92021 weather forecast Day 5 BOSTONIA, CA 92021 weather forecast Day 6 BOSTONIA, CA 92021 weather forecast Day 7
Overcast
1% Rain
Overcast
2% Rain
Overcast
1% Rain
Overcast
1% Rain
Overcast
9% Rain
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