Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 6

Waning Gibbous 66%

23:42

10:24

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:40, Set: 19:10, Transit: 12:25. Moon - Rise: 23:42, Set: 10:24. Civil Dark: 19:35 - 05:15. Nautical Dark: 20:05 - 04:45. Astro Dark: 20:37 - 04:14

Total Clouds (% Sky Obscured)

82
100
100
99
71
100
100
100
100
100
99
100
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
62
77
66
61
67
63
57
57
70
57
49
33
53
63
58
51
54
58
61
57
57
53
53

Medium Clouds (% Sky Obscured)

34
53
50
22
4
57
49
7
27
42
40
47
61
53
61
70
68
43
61
61
52
68
68
67

High Clouds (% Sky Obscured)

34
100
93
96
18
90
70
90
100
100
98
100
100
100
100
100
100
75
81
99
98
99
100
100

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
7

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Ice pellet
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Ice pellet
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
56
54
72
90
95
95
95
93
84
88
95
95
95
95
95
95
86
72
91
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.6
0.8
0.9
0.9
0.6
0.2
0
0.5
0.9
0.8
1.1
0.9
1.1
0.3
0.3
0.9
1.1
0.9

Wind Speed/Direction (mph)

9
9
9
10
9
8
9
9
9
8
6
6
7
7
6
5
5
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

30
31
32
33
34
35
34
33
33
32
31
30
30
30
29
29
29
28
28
28
28
28
28
28

Feels Like (°C)

31
32
33
34
35
36
35
34
34
34
33
33
31
32
31
32
31
31
31
31
31
31
31
32

Dew Point (°C)

19
19
19
20
20
21
21
20
20
21
20
20
20
20
20
20
20
20
21
21
20
21
21
22

Relative Humidity (%)

52
48
44
44
44
44
45
45
47
52
53
55
55
56
57
59
60
61
63
64
64
65
65
69

Pressure (mb)

1006
1006
1006
1005
1004
1004
1003
1003
1003
1003
1004
1005
1005
1006
1006
1006
1005
1005
1005
1005
1005
1005
1006
1006

Ozone (du)

290
290
291
290
291
291
290
290
289
289
289
288
288
286
285
286
287
287
287
287
287
287
287
286

Sunday 7

Waning Gibbous 55%

00:15

11:18

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:40, Set: 19:11, Transit: 12:25. Moon - Rise: 00:15, Set: 11:18. Civil Dark: 19:36 - 05:15. Nautical Dark: 20:06 - 04:45. Astro Dark: 20:37 - 04:14

Total Clouds (% Sky Obscured)

100
100
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

49
57
67
66
72
75
85
56
67
59
54
52
41
53
69
56
57
59
61
59
61
58
57
59

Medium Clouds (% Sky Obscured)

71
54
37
26
53
52
67
43
66
68
72
73
61
74
86
69
75
77
50
36
33
21
31
26

High Clouds (% Sky Obscured)

100
97
96
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
6
8
9
7
2
3
7
5
3
3
5
6
4
4
9
9
9
3
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
16
12
20
0
2
0
0

Precipitation Type

Light Rain
Light Rain
None
None
Light Rain
Moderate Rain
Ice pellet
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
79
60
75
95
95
94
95
95
95
95
95
95
95
95
95
65
72
73
85
47
63
84
84

Precipitation Amount (mm)

0.8
0.4
0
0
1.4
3.2
0.3
0.9
2.2
2.2
1.3
0.8
0.8
1.5
4
1
0
0.2
0.2
0.5
0
0.3
0.7
0.5

Wind Speed/Direction (mph)

4
3
4
4
4
5
7
8
7
2
4
5
5
4
4
4
4
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

29
29
30
32
33
33
31
30
30
29
29
28
28
28
28
28
28
27
27
27
27
27
28
28

Feels Like (°C)

33
33
33
35
37
36
34
32
33
34
34
33
33
33
32
32
32
32
32
33
31
31
32
33

Dew Point (°C)

23
23
22
21
20
20
20
23
23
25
26
26
26
26
24
24
25
24
24
25
25
25
24
24

Relative Humidity (%)

71
70
64
52
47
46
52
66
68
77
85
87
86
85
81
81
83
83
83
84
86
86
82
75

Pressure (mb)

1006
1006
1006
1005
1004
1003
1002
1002
1002
1003
1003
1004
1004
1005
1005
1004
1004
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

287
286
286
286
283
282
282
282
281
281
282
282
282
282
281
282
282
281
281
281
280
279
279
279

Monday 8

Third Quarter 45%

00:48

12:12

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:40, Set: 19:11, Transit: 12:26. Moon - Rise: 00:48, Set: 12:12. Civil Dark: 19:36 - 05:15. Nautical Dark: 20:06 - 04:45. Astro Dark: 20:37 - 04:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
98
97
98

Low Clouds (% Sky Obscured)

55
53
55
64
66
64
69
68
55
53
45
60
73
87
82
78
73
77
82
87
89
90
91
94

Medium Clouds (% Sky Obscured)

22
18
21
25
33
49
51
53
58
73
85
95
99
98
97
96
95
93
93
93
71
88
86
89

High Clouds (% Sky Obscured)

99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
86
80
72
65
57
71

ISS Passover

Visibility (miles)

2
9
9
9
9
2
9
9
9
9
8
8
9
6
3
3
3
3
4
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
54
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

80
80
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
84
69
59
51
48
72

Precipitation Amount (mm)

0.4
0.4
0.6
1.1
2.4
1.9
1.6
1.6
1.7
1.8
1.9
2
2.1
2.4
2.3
1.8
0.7
0.7
0.5
0.3
0
0
0
0

Wind Speed/Direction (mph)

4
3
2
5
7
9
8
9
8
7
6
5
7
8
9
9
9
9
9
8
8
8
8
8

Chance of Frost

Temperature (°C)

29
30
32
31
31
31
31
31
30
30
29
29
28
27
26
25
25
24
24
24
24
24
24
24

Feels Like (°C)

33
35
36
35
34
34
34
33
32
32
31
30
29
28
27
26
25
26
25
25
25
25
25
25

Dew Point (°C)

24
23
23
22
23
24
25
24
24
24
24
24
23
23
23
22
22
22
22
22
21
21
21
21

Relative Humidity (%)

71
65
58
58
59
68
69
69
68
69
74
75
74
79
83
84
87
88
89
88
85
84
84
84

Pressure (mb)

1004
1004
1004
1003
1002
1002
1001
1001
1001
1002
1002
1003
1004
1004
1005
1004
1004
1003
1003
1003
1003
1004
1005
1005

Ozone (du)

279
280
281
280
279
279
279
280
280
279
279
279
279
280
279
278
278
278
279
279
278
279
280
280

Tuesday 9

Waning Crescent 34%

01:21

13:07

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:40, Set: 19:11, Transit: 12:26. Moon - Rise: 01:21, Set: 13:07. Civil Dark: 19:37 - 05:15. Nautical Dark: 20:07 - 04:45. Astro Dark: 20:38 - 04:13

Total Clouds (% Sky Obscured)

99
100
98
95
93
94
95
96
97
98
100
99
98
96
97
97
98
94
97
100
100
100
100
98

Low Clouds (% Sky Obscured)

94
99
92
84
79
79
77
77
75
70
67
56
48
41
40
40
39
44
44
40
46
47
49
49

Medium Clouds (% Sky Obscured)

86
85
82
37
34
28
28
24
33
24
29
28
49
80
70
77
67
62
57
52
53
53
49
35

High Clouds (% Sky Obscured)

85
100
70
39
9
19
30
40
59
79
98
93
87
82
85
88
91
77
85
97
98
98
100
68

ISS Passover

Visibility (miles)

7
6
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

70
50
26
14
6
5
4
2
4
7
8
13
15
13
20
22
15
32
33
25
26
23
17
16

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
9
9
9
9
10
9
8
8
7
7
7
7
7
8
8
7
7
7
7
8

Chance of Frost

Temperature (°C)

24
24
25
25
26
27
27
27
27
26
25
25
25
24
24
24
23
23
23
23
23
24
24
24

Feels Like (°C)

25
26
26
26
27
28
27
28
27
27
26
25
26
25
25
24
24
24
24
24
24
25
25
25

Dew Point (°C)

21
22
22
22
22
21
21
21
21
21
21
20
21
20
20
20
20
20
20
20
20
20
20
21

Relative Humidity (%)

83
85
85
84
78
72
71
71
72
75
77
76
78
79
80
80
81
80
80
81
81
80
79
79

Pressure (mb)

1006
1006
1006
1005
1005
1004
1004
1004
1004
1005
1005
1006
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

281
281
281
280
279
278
278
277
276
275
275
275
275
275
274
274
274
274
275
276
277
278
279
279

Wednesday 10

Waning Crescent 23%

01:57

14:04

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:40, Set: 19:12, Transit: 12:26. Moon - Rise: 01:57, Set: 14:04. Civil Dark: 19:37 - 05:15. Nautical Dark: 20:07 - 04:45. Astro Dark: 20:38 - 04:13

Total Clouds (% Sky Obscured)

96
92
90
89
89
86
84
81
85
87
89
88
86
84
83
85
90
89
89
89
87
85
83
86

Low Clouds (% Sky Obscured)

46
46
54
62
68
70
72
73
67
60
53
50
42
38
42
45
48
44
43
39
31
20
5
13

Medium Clouds (% Sky Obscured)

31
27
28
33
32
34
47
55
64
68
71
70
66
62
68
74
81
80
79
77
78
79
80
80

High Clouds (% Sky Obscured)

36
4
6
8
9
7
5
3
3
4
4
3
1
0
1
2
4
2
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
6
10
12
12
16
18
13
14
12
6
9
9
5
15
17
14
19
18
6
10
8
3
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
8
8
7
7
6
6
5
5
5
4
4
5
5
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

26
27
28
29
29
30
30
30
31
30
29
29
28
28
27
27
27
26
26
26
26
26
26
27

Feels Like (°C)

26
27
28
29
29
29
32
31
31
30
30
29
29
29
29
29
28
28
27
27
27
28
27
27

Dew Point (°C)

21
22
24
24
24
24
24
24
25
24
24
24
23
23
23
23
22
22
21
21
21
21
22
22

Relative Humidity (%)

77
77
77
75
72
70
70
70
70
71
73
74
74
76
77
77
76
76
75
75
73
75
75
76

Pressure (mb)

1008
1008
1008
1007
1007
1007
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009
1010

Ozone (du)

280
281
281
281
281
281
280
280
279
280
280
281
280
279
277
277
277
276
278
279
280
280
281
281

Thursday 11

Waning Crescent 22%

02:37

15:05

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:40, Set: 19:12, Transit: 12:26. Moon - Rise: 02:37, Set: 15:05. Civil Dark: 19:37 - 05:15. Nautical Dark: 20:07 - 04:45. Astro Dark: 20:39 - 04:13

Total Clouds (% Sky Obscured)

89
90
90
92
93
93
94
94
96
98
100
100
100
100
100
99
99
99
99
99
98
98
98

Low Clouds (% Sky Obscured)

18
27
31
36
41
54
66
79
65
50
36
43
50
57
63
69
75
72
70
68
73
78
84

Medium Clouds (% Sky Obscured)

80
80
82
84
86
85
85
84
89
94
100
95
95
95
94
98
97
97
97
96
95
94
94

High Clouds (% Sky Obscured)

1
1
0
0
5
4
0
0
0
5
24
29
29
15
10
0
0
0
0
0
6
12
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

7
4
11
14
14
18
20
19
17
11
1
3
3
1
4
4
4
10
13
13
44
61
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.8

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

28
28
29
30
31
31
31
31
31
31
30
29
29
28
28
28
27
27
27
26
26
26
26

Feels Like (°C)

29
30
30
31
32
33
33
33
34
33
32
31
31
30
30
30
30
30
29
29
29
28
28

Dew Point (°C)

23
24
24
25
26
27
28
28
29
28
27
26
26
25
25
24
24
24
24
23
23
22
22

Relative Humidity (%)

75
75
74
76
78
79
80
82
85
85
83
83
82
82
82
82
82
83
83
82
82
79
76

Pressure (mb)

1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1009
1009
1010
1010
1011
1010
1010
1009
1009
1009
1008
1009
1009

Ozone (du)

282
283
283
283
282
282
281
281
280
280
280
281
281
282
282
282
282
282
281
281
281
281
282

Friday 12

Waning Crescent 14%

03:23

16:11

Sun - Rise: 05:40, Set: 19:12, Transit: 12:26. Moon - Rise: 03:23, Set: 16:11. Civil Dark: 19:38 - 05:15. Nautical Dark: 20:08 - 04:45. Astro Dark: 20:39 - 04:13

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Guangzhou, China (23.11,113.26)

Generated: 06/06/26 09:17:48. Forecast: 06/06/26 to 12/06/26. Timezone: UTC+8.00