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El Nino to play a major role this hurricane season. Here's how many storms AccuWeather experts are predicting. Chevron right

Union Square, CA

64°F
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Union Square

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64°
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Union Square, CA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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March 29 - April 27

Sun 3/29

78° /60°
0%
Partly sunny and very warm

RealFeel®81°

RealFeel Shade™75°

Max UV Index6.0 (High)

WindWSW 7 mph

Mon 3/30

67° /58°
0%
Cloudy and not as warm

RealFeel®67°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindWSW 9 mph

Tue 3/31

61° /53°
55%
Mostly cloudy with a shower in places

RealFeel®61°

RealFeel Shade™57°

Max UV Index3.0 (Moderate)

WindWSW 10 mph

Wed 4/1

63° /52°
25%
Times of sun and clouds

RealFeel®64°

RealFeel Shade™59°

Max UV Index3.0 (Moderate)

WindSW 9 mph

Thu 4/2

63° /51°
25%
Times of sun and clouds; breezy in the afternoon

RealFeel®60°

RealFeel Shade™58°

Max UV Index3.0 (Moderate)

WindWNW 13 mph

Fri 4/3

72° /53°
4%
Pleasant with plenty of sunshine

RealFeel®72°

RealFeel Shade™70°

Max UV Index7.0 (High)

WindN 10 mph

Sat 4/4

77° /53°
2%
Warm with plenty of sunshine

RealFeel®81°

RealFeel Shade™74°

Max UV Index7.0 (High)

WindNNW 8 mph

Sun 4/5

73° /54°
0%
Abundant sunshine

RealFeel®83°

RealFeel Shade™71°

Max UV Index7.0 (High)

WindNW 5 mph

Mon 4/6

66° /52°
0%
Mostly sunny and not as warm

RealFeel®74°

RealFeel Shade™63°

Max UV Index7.0 (High)

WindSW 6 mph

Tue 4/7

63° /52°
0%
Mostly cloudy

RealFeel®72°

RealFeel Shade™61°

Max UV Index7.0 (High)

WindSW 7 mph

Wed 4/8

65° /51°
5%
Partly sunny

RealFeel®71°

RealFeel Shade™62°

Max UV Index7.0 (High)

WindWNW 6 mph

Thu 4/9

62° /53°
16%
Times of clouds and sun

RealFeel®67°

RealFeel Shade™60°

Max UV Index5.0 (Moderate)

WindW 7 mph

Fri 4/10

63° /50°
1%
Sun and clouds

RealFeel®72°

RealFeel Shade™62°

Max UV Index6.0 (High)

WindWNW 5 mph

Sat 4/11

62° /49°
20%
Plenty of sunshine

RealFeel®70°

RealFeel Shade™61°

Max UV Index8.0 (Very High)

WindNNW 7 mph

Sun 4/12

61° /48°
20%
Sunshine and a few clouds

RealFeel®72°

RealFeel Shade™60°

Max UV Index8.0 (Very High)

WindS 4 mph

Mon 4/13

60° /49°
25%
Mostly cloudy

RealFeel®63°

RealFeel Shade™62°

Max UV Index4.0 (Moderate)

WindWSW 5 mph

Tue 4/14

60° /48°
25%
Intervals of clouds and sunshine

RealFeel®66°

RealFeel Shade™61°

Max UV Index5.0 (Moderate)

WindW 2 mph

Wed 4/15

65° /52°
25%
Mainly cloudy

RealFeel®65°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindSW 7 mph

Thu 4/16

59° /52°
25%
Considerable cloudiness

RealFeel®60°

RealFeel Shade™60°

Max UV Index2.0 (Low)

WindW 7 mph

Fri 4/17

60° /51°
20%
Partly sunny

RealFeel®63°

RealFeel Shade™57°

Max UV Index7.0 (High)

WindWNW 8 mph

Sat 4/18

62° /51°
10%
Mostly sunny

RealFeel®74°

RealFeel Shade™63°

Max UV Index8.0 (Very High)

WindW 2 mph

Sun 4/19

66° /53°
20%
Sunny to partly cloudy

RealFeel®78°

RealFeel Shade™67°

Max UV Index8.0 (Very High)

WindS 2 mph

Mon 4/20

67° /53°
20%
Partly sunny

RealFeel®74°

RealFeel Shade™65°

Max UV Index5.0 (Moderate)

WindSSW 2 mph

Tue 4/21

67° /52°
25%
Clouds and sunshine

RealFeel®77°

RealFeel Shade™66°

Max UV Index8.0 (Very High)

WindSW 4 mph

Wed 4/22

66° /53°
25%
Mostly cloudy

RealFeel®66°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindWSW 7 mph

Thu 4/23

62° /52°
25%
Partly sunny

RealFeel®67°

RealFeel Shade™59°

Max UV Index9.0 (Very High)

WindNW 8 mph

Fri 4/24

61° /51°
20%
Plenty of sunshine

RealFeel®65°

RealFeel Shade™57°

Max UV Index9.0 (Very High)

WindNNW 9 mph

Sat 4/25

64° /51°
20%
Plenty of sun

RealFeel®76°

RealFeel Shade™65°

Max UV Index9.0 (Very High)

WindNNW 2 mph

Sun 4/26

66° /50°
25%
Considerable cloudiness

RealFeel®66°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindWNW 7 mph

Mon 4/27

59° /47°
10%
Mostly sunny

RealFeel®63°

RealFeel Shade™56°

Max UV Index9.0 (Very High)

WindWNW 10 mph

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World North America United States California Union Square

Weather Near Union Square:

  • Oakland, CA
  • San Francisco, CA
  • San Jose, CA
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