Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 11%

03:48

15:39

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

Sun - Rise: 05:58, Set: 18:03, Transit: 12:01. Moon - Rise: 03:48, Set: 15:39. Civil Dark: 18:24 - 05:37. Nautical Dark: 18:49 - 05:13. Astro Dark: 19:13 - 04:48

Total Clouds (% Sky Obscured)

80
84
91
87
87
96
89
90
68
48
39
39
31
73
78
73
73
62
60
66
81
100
100
100

Low Clouds (% Sky Obscured)

19
26
29
25
30
30
25
25
19
15
5
8
2
0
8
6
14
20
22
19
21
24
21
20

Medium Clouds (% Sky Obscured)

5
14
23
22
23
17
18
12
8
13
19
16
19
18
22
15
9
6
6
6
9
12
16
19

High Clouds (% Sky Obscured)

6
5
5
7
4
33
10
19
4
0
2
0
3
44
57
52
52
20
10
23
59
100
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
16
77
86
92

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
5
6
8
9
6
2
2
1
0

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)

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

Chance of Frost

Temperature (°C)

16
16
16
15
15
15
15
16
17
17
19
20
21
21
21
21
20
19
18
18
17
17
16
16

Feels Like (°C)

17
17
16
16
16
16
16
16
18
19
20
20
21
21
21
20
20
20
19
18
18
18
16
16

Dew Point (°C)

14
14
14
14
14
14
14
14
14
14
14
13
13
13
13
13
13
12
12
13
13
13
12
12

Relative Humidity (%)

88
88
89
91
90
91
91
89
82
78
72
67
60
61
60
60
64
64
69
72
76
76
77
77

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1015
1016
1016
1016
1015
1015
1014
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015

Ozone (du)

261
261
262
264
263
263
264
264
264
264
263
262
262
261
261
262
262
262
262
263
263
264
264
264

Friday 19

Waning Crescent 5%

04:30

16:30

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
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

Sun - Rise: 05:58, Set: 18:03, Transit: 12:00. Moon - Rise: 04:30, Set: 16:30. Civil Dark: 18:24 - 05:37. Nautical Dark: 18:49 - 05:12. Astro Dark: 19:13 - 04:48

Total Clouds (% Sky Obscured)

97
84
85
91
89
75
75
74
71
69
63
56
53
52
82
84
89
100
100
100
100
99
91
87

Low Clouds (% Sky Obscured)

21
22
22
27
22
22
22
27
25
25
24
22
21
22
22
28
27
29
30
30
28
24
23
32

Medium Clouds (% Sky Obscured)

30
39
49
72
69
51
52
34
29
20
3
0
0
0
2
6
12
14
25
31
27
31
30
26

High Clouds (% Sky Obscured)

80
30
26
3
2
3
5
3
6
0
0
0
0
1
48
46
46
95
96
96
100
93
47
50

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 (%)

98
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
3
16
14
20

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 (%)

0
0
0
1
0
0
0
0
0
0
1
4
4
4
6
7
9
8
6
2
1
0
1
0

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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
15
15
15
16
17
18
19
19
20
20
20
20
20
19
18
17
17
17
16
16

Feels Like (°C)

15
16
18
18
16
16
18
17
18
19
19
20
21
20
20
20
19
19
17
17
16
16
15
17

Dew Point (°C)

13
13
13
13
13
12
13
12
12
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

81
82
82
82
83
82
83
79
75
71
66
64
63
63
64
62
65
68
71
73
76
76
78
79

Pressure (mb)

1015
1015
1014
1014
1014
1014
1015
1016
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017

Ozone (du)

264
264
265
266
267
266
267
267
268
267
265
264
265
264
265
265
264
264
264
264
264
264
264
265

Saturday 20

Waning Crescent 1%

05:09

17:18

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
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

Sun - Rise: 05:57, Set: 18:03, Transit: 12:00. Moon - Rise: 05:09, Set: 17:18. Civil Dark: 18:24 - 05:36. Nautical Dark: 18:49 - 05:11. Astro Dark: 19:13 - 04:47

Total Clouds (% Sky Obscured)

86
85
84
84
84
86
89
88
84
77
99
92
82
88
89
100
100
100
100
100
100
98
97
99

Low Clouds (% Sky Obscured)

27
34
34
33
33
51
57
51
35
32
27
19
15
19
19
20
26
30
32
31
32
37
48
46

Medium Clouds (% Sky Obscured)

30
33
41
48
43
40
27
16
5
1
0
0
0
1
1
1
4
10
16
19
21
22
30
38

High Clouds (% Sky Obscured)

48
30
2
0
0
22
57
53
55
48
98
79
48
53
70
99
100
100
100
100
100
79
73
83

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 (%)

70
91
100
100
100
100
100
100
97
58
0
0
0
0
0
0
0
0
0
2
21
64
84
99

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 (%)

1
0
0
0
0
1
2
0
0
2
3
3
5
5
6
6
7
6
5
3
1
0
0
0

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)

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

Chance of Frost

Temperature (°C)

16
16
15
16
15
15
15
15
16
17
18
19
19
19
19
19
19
18
17
17
17
16
16
16

Feels Like (°C)

17
17
17
17
17
16
16
16
17
18
19
18
18
19
19
19
18
17
15
16
16
15
15
15

Dew Point (°C)

13
13
12
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

81
82
82
80
82
85
89
83
81
73
70
65
64
67
67
66
67
71
74
77
77
79
81
82

Pressure (mb)

1016
1016
1015
1015
1015
1015
1016
1016
1017
1017
1018
1017
1017
1016
1015
1015
1015
1015
1016
1017
1017
1018
1018
1018

Ozone (du)

265
265
265
265
264
264
264
264
265
264
264
264
264
263
263
264
264
263
263
264
264
264
265
266

Sunday 21

New Moon 0%

05:45

18:04

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

Sun - Rise: 05:56, Set: 18:03, Transit: 12:00. Moon - Rise: 05:45, Set: 18:04. Civil Dark: 18:24 - 05:35. Nautical Dark: 18:49 - 05:11. Astro Dark: 19:13 - 04:46

Total Clouds (% Sky Obscured)

100
100
100
100
93
100
100
96
81
83
62
55
32
51
79
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

49
45
44
43
44
25
17
22
28
33
26
17
11
16
21
27
29
23
21
28
32
35
35
33

Medium Clouds (% Sky Obscured)

40
72
67
46
51
49
42
38
40
35
29
22
18
27
35
42
39
38
37
39
42
44
36
30

High Clouds (% Sky Obscured)

91
100
100
100
66
97
98
81
25
23
3
19
2
25
69
99
100
100
100
100
100
100
100
100

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

0
0
0
0
0
0
0
0
1
2
3
4
6
6
7
7
16
12
9
11
9
4
5
4

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)

4
3
3
4
3
3
2
2
3
5
6
6
7
7
7
7
7
7
7
5
5
4
3
2

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
15
16
17
18
19
20
20
20
20
19
18
17
17
16
16
16
16

Feels Like (°C)

15
15
15
15
14
16
15
15
16
18
18
19
18
20
20
18
17
16
15
16
15
15
15
15

Dew Point (°C)

12
12
12
12
12
12
12
12
13
13
13
12
13
13
13
13
13
13
13
13
12
12
12
12

Relative Humidity (%)

82
83
80
82
84
84
84
82
79
76
70
65
65
65
65
65
67
70
74
78
78
78
78
78

Pressure (mb)

1017
1016
1015
1015
1015
1015
1015
1016
1016
1017
1017
1016
1015
1015
1014
1013
1013
1013
1013
1014
1014
1015
1015
1014

Ozone (du)

266
267
267
267
266
265
264
263
263
263
264
264
264
263
263
262
263
264
264
264
264
264
264
264

Monday 22

Waxing Crescent 1%

06:21

18:50

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
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

Sun - Rise: 05:56, Set: 18:03, Transit: 11:59. Moon - Rise: 06:21, Set: 18:50. Civil Dark: 18:24 - 05:35. Nautical Dark: 18:49 - 05:10. Astro Dark: 19:13 - 04:45

Total Clouds (% Sky Obscured)

99
96
94
91
93
95
98
88
80
70
67
66
65
70
77
83
87
92
96
97
99
100
98
96

Low Clouds (% Sky Obscured)

33
33
34
46
57
53
48
55
40
36
33
29
25
27
29
31
34
37
39
39
41
41
43
68

Medium Clouds (% Sky Obscured)

23
21
21
20
13
6
0
0
0
0
0
0
0
2
5
7
15
23
29
25
25
49
62
67

High Clouds (% Sky Obscured)

92
77
59
42
40
32
29
18
17
7
8
21
34
30
34
33
36
43
50
67
83
100
85
72

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

1
0
1
1
1
2
0
0
0
0
3
6
7
11
12
13
27
30
16
27
21
12
9
5

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)

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

Chance of Frost

Temperature (°C)

16
15
15
15
15
15
15
15
16
17
18
19
20
21
20
20
19
19
18
17
17
16
16
16

Feels Like (°C)

16
15
15
15
14
14
15
15
16
17
18
20
20
19
19
19
18
18
17
17
16
16
15
16

Dew Point (°C)

12
12
12
12
12
12
13
12
12
12
12
12
13
13
12
12
13
13
13
13
13
13
13
13

Relative Humidity (%)

79
82
83
84
84
86
86
83
79
74
70
64
62
60
60
61
64
68
72
77
79
79
81
83

Pressure (mb)

1014
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1014
1014
1013
1012
1012
1012
1012
1013
1014
1014
1015
1015
1015

Ozone (du)

264
264
264
263
263
263
263
262
260
261
260
260
260
261
260
260
261
261
262
261
262
262
261
261

Tuesday 23

Waxing Crescent 4%

06:56

19:36

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

Sun - Rise: 05:55, Set: 18:03, Transit: 11:59. Moon - Rise: 06:56, Set: 19:36. Civil Dark: 18:24 - 05:34. Nautical Dark: 18:49 - 05:09. Astro Dark: 19:13 - 04:45

Total Clouds (% Sky Obscured)

95
98
97
96
93
90
87
70
53
33
25
17
9
6
3
0
23
46
69
74
80
82
79
77

Low Clouds (% Sky Obscured)

44
48
47
46
45
39
38
30
21
11
9
6
4
3
2
0
12
21
31
29
35
36
33
34

Medium Clouds (% Sky Obscured)

55
54
47
45
33
18
0
0
0
0
0
0
0
0
0
0
2
4
6
8
9
10
9
20

High Clouds (% Sky Obscured)

58
71
61
55
54
53
51
44
41
33
22
13
5
4
3
0
2
1
1
1
1
1
3
5

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

1
2
1
0
0
0
0
0
0
0
2
3
2
11
13
8
15
17
15
17
15
6
9
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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
17
18
20
20
21
21
21
21
21
20
19
18
18
18
17
17

Feels Like (°C)

16
16
16
16
16
16
16
16
17
17
18
18
18
19
22
22
21
21
20
20
18
19
19
19

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
14
14
13
14
13
13
13
13
13
13
13
13
12
13

Relative Humidity (%)

81
79
81
81
81
82
82
83
77
72
68
66
63
61
61
62
62
65
68
70
71
72
72
74

Pressure (mb)

1014
1014
1014
1013
1013
1013
1014
1014
1015
1015
1015
1015
1014
1014
1013
1013
1012
1013
1014
1014
1014
1015
1015
1015

Ozone (du)

261
262
262
262
262
262
262
262
262
262
263
263
263
263
262
262
261
261
261
262
262
262
262
262

Wednesday 24

Waxing Crescent 8%

07:33

20:24

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

Sun - Rise: 05:54, Set: 18:03, Transit: 11:59. Moon - Rise: 07:33, Set: 20:24. Civil Dark: 18:24 - 05:33. Nautical Dark: 18:49 - 05:09. Astro Dark: 19:13 - 04:44

Total Clouds (% Sky Obscured)

82
90
94
99
98
97
96
88
77
71
51
32
13
24
38
52
65
79
93
93
94
94
96
98

Low Clouds (% Sky Obscured)

35
37
44
46
41
41
36
32
28
25
17
10
3
4
6
7
14
19
23
24
25
27
28
34

Medium Clouds (% Sky Obscured)

35
28
24
14
7
3
1
1
1
2
2
3
2
6
15
24
33
40
39
31
25
23
15
9

High Clouds (% Sky Obscured)

7
23
39
49
36
28
25
24
22
20
20
20
13
24
22
21
27
33
42
60
77
86
92
96

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

0
0
0
0
0
0
0
0
0
0
7
9
8
13
14
8
13
13
9
13
10
4
4
3

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)

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

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
16
16
17
19
20
21
21
21
21
21
20
20
19
19
18
18
18
18

Feels Like (°C)

19
20
18
18
18
17
17
16
19
20
20
21
21
22
22
21
20
20
19
19
17
17
17
18

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
12
12

Relative Humidity (%)

77
79
81
82
85
83
82
79
73
69
63
62
61
59
61
62
63
66
68
70
69
69
67
70

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1015
1015
1016
1016
1016
1017
1016

Ozone (du)

262
262
262
262
262
262
262
262
262
262
262
262
261
260
260
260
259
260
260
260
260
261
261
261

Forecast for La Laguna, Lima, Republic of Peru (-12.05,-76.90)

Generated: 18/09/25 12:48:13. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-5.00