10-Day Weather Forecast for Halcyon, San Leandro, California - The Weather Channel | weather.com
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10 Day Weather-

As of 2:27 am PDT

Tonight

Mostly Clear Night Mostly Clear
--/49°
Rain drop 4%
Subtract

Night

49°
Mostly Clear Night
Rain drop
4%
ENE 3 mph

Mostly clear. Low 49F. Winds light and variable.

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  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:51 am
  • Moonset
    Moonset11:50 am
  • Moon Phase - Day 22 Last Quarter

Thu 12

Partly Cloudy Day Partly Cloudy
76°/49°
Rain drop 3%
Add

Day

76°
Partly Cloudy Day
Rain drop
3%
W 9 mph

Partly cloudy skies. Near record high temperatures. High 76F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:23 am
  • Sunset
    Sunset7:13 pm

Night

49°
Partly Cloudy Night
Rain drop
11%
SSW 6 mph

A few clouds. Low 49F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:42 am
  • Moonset
    Moonset12:45 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Mostly Cloudy Day Mostly Cloudy
70°/50°
Rain drop 11%
Add

Day

70°
Mostly Cloudy Day
Rain drop
11%
SW 10 mph

Mostly cloudy. High around 70F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity67%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:22 am
  • Sunset
    Sunset7:14 pm

Night

50°
Partly Cloudy Night
Rain drop
14%
SW 7 mph

A few clouds from time to time. Low around 50F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:27 am
  • Moonset
    Moonset1:45 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Partly Cloudy Day Partly Cloudy
73°/52°
Rain drop 9%
Add

Day

73°
Partly Cloudy Day
Rain drop
9%
WSW 9 mph

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 73F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:20 am
  • Sunset
    Sunset7:14 pm

Night

52°
Partly Cloudy Night
Rain drop
8%
SW 7 mph

A few clouds. Low 52F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:06 am
  • Moonset
    Moonset2:50 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Partly Cloudy Day Partly Cloudy
78°/56°
Rain drop 8%
Add

Day

78°
Partly Cloudy Day
Rain drop
8%
W 9 mph

Sunshine and clouds mixed. Near record high temperatures. High 78F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:19 am
  • Sunset
    Sunset7:15 pm

Night

56°
Partly Cloudy Night
Rain drop
3%
NE 6 mph

A few clouds from time to time. Low 56F. Winds light and variable.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:39 am
  • Moonset
    Moonset3:56 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Mostly Clear Day Mostly Sunny
86°/56°
Rain drop 2%
Add

Day

86°
Mostly Clear Day
Rain drop
2%
N 8 mph

A few clouds from time to time. Near record high temperatures. High 86F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:17 am
  • Sunset
    Sunset7:16 pm

Night

56°
Clear Night
Rain drop
2%
NE 5 mph

A mostly clear sky. Low 56F. Winds light and variable.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:08 am
  • Moonset
    Moonset5:03 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Sunny Sunny
88°/57°
Rain drop 2%
Add

Day

88°
Sunny
Rain drop
2%
NNW 7 mph

Mainly sunny. Near record high temperatures. High 88F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:16 am
  • Sunset
    Sunset7:17 pm

Night

57°
Clear Night
Rain drop
5%
NE 5 mph

Clear. Low 57F. Winds light and variable.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:35 am
  • Moonset
    Moonset6:10 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Sunny Sunny
85°/56°
Rain drop 4%
Add

Day

85°
Sunny
Rain drop
4%
W 9 mph

Mainly sunny. High around 85F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:14 am
  • Sunset
    Sunset7:18 pm

Night

56°
Clear Night
Rain drop
5%
SSE 6 mph

A mostly clear sky. Low 56F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:00 am
  • Moonset
    Moonset7:18 pm
  • Moon Phase - Day 0 New Moon

Thu 19

Sunny Sunny
83°/56°
Rain drop 4%
Add

Day

83°
Sunny
Rain drop
4%
WSW 9 mph

Mainly sunny. High 83F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:13 am
  • Sunset
    Sunset7:19 pm

Night

56°
Partly Cloudy Night
Rain drop
4%
SSW 7 mph

Partly cloudy. Low 56F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:25 am
  • Moonset
    Moonset8:29 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Partly Cloudy Day Partly Cloudy
80°/55°
Rain drop 3%
Add

Day

80°
Partly Cloudy Day
Rain drop
3%
WSW 10 mph

Intervals of clouds and sunshine. High around 80F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:11 am
  • Sunset
    Sunset7:20 pm

Night

55°
Partly Cloudy Night
Rain drop
5%
WSW 8 mph

Partly cloudy. Low near 55F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:52 am
  • Moonset
    Moonset9:42 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Partly Cloudy Day Partly Cloudy
75°/53°
Rain drop 3%
Add

Day

75°
Partly Cloudy Day
Rain drop
3%
W 12 mph

Partly cloudy. High near 75F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:10 am
  • Sunset
    Sunset7:21 pm

Night

53°
Partly Cloudy Night
Rain drop
12%
WNW 10 mph

A few clouds from time to time. Low 53F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:23 am
  • Moonset
    Moonset10:57 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
70°/51°
Rain drop 10%
Add

Day

70°
Partly Cloudy Day
Rain drop
10%
W 12 mph

Partly cloudy skies. High around 70F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset7:22 pm

Night

51°
Partly Cloudy Night
Rain drop
7%
W 10 mph

A few clouds. Low 51F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:59 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
68°/49°
Rain drop 3%
Add

Day

68°
Partly Cloudy Day
Rain drop
3%
W 12 mph

Intervals of clouds and sunshine. High 68F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset7:23 pm

Night

49°
Partly Cloudy Night
Rain drop
10%
WSW 10 mph

A few clouds from time to time. Low 49F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:43 am
  • Moonset
    Moonset12:13 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Partly Cloudy Day Partly Cloudy
68°/49°
Rain drop 5%
Add

Day

68°
Partly Cloudy Day
Rain drop
5%
W 11 mph

Sunshine and clouds mixed. High 68F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:24 pm

Night

49°
Partly Cloudy Night
Rain drop
23%
SW 9 mph

Partly cloudy skies. Low 49F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:37 am
  • Moonset
    Moonset1:26 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Partly Cloudy Day Partly Cloudy
68°/49°
Rain drop 20%
Add

Day

68°
Partly Cloudy Day
Rain drop
20%
WSW 11 mph

Partly cloudy skies. High 68F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:04 am
  • Sunset
    Sunset7:25 pm

Night

49°
Partly Cloudy Night
Rain drop
16%
SW 9 mph

Partly cloudy. Low 49F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:40 am
  • Moonset
    Moonset2:32 am
  • Moon Phase - Day 7 First Quarter
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