Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waxing Crescent 4%

11:42

18:58

12 OK
13 OK
14 Bad
15 OK
16 Good
17 OK
18 OK
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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:04, Set: 18:54, Transit: 13:28. Moon - Rise: 11:42, Set: 18:58. Civil Dark: 19:28 - 07:30. Nautical Dark: 20:07 - 06:51. Astro Dark: 20:46 - 06:11

Total Clouds (% Sky Obscured)

36
35
50
20
16
37
42
90
96
100
100
98
98
100
100
97
98
100
95
92
100
96
99
100

Low Clouds (% Sky Obscured)

18
35
37
8
5
0
2
36
57
74
88
91
97
100
100
92
97
100
91
71
100
84
97
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
24
49
89
97
89
90
96
95
89
72
56
48
30
22
47
28
34
60

High Clouds (% Sky Obscured)

4
3
8
8
8
37
19
56
83
95
83
63
58
4
2
0
21
33
21
63
71
56
59
6

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 (%)

0
0
0
0
0
0
0
0
0
0
4
13
6
8
14
1
2
2
0
0
1
4
4
21

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)

8
8
8
9
9
8
6
6
7
7
8
9
10
10
10
9
9
9
9
9
9
10
10
12

Chance of Frost

Temperature (°C)

13
14
16
17
17
17
17
15
15
15
14
15
15
14
14
15
15
15
15
15
14
15
16
17

Feels Like (°C)

11
12
13
16
17
16
16
15
13
12
12
12
11
11
12
12
12
12
12
12
13
13
14
15

Dew Point (°C)

4
5
7
8
9
9
10
10
10
9
9
7
7
8
9
8
8
9
10
10
11
11
12
14

Relative Humidity (%)

55
54
55
57
58
59
64
72
74
68
68
60
59
66
71
66
64
68
73
74
79
75
79
82

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

280
278
275
275
272
268
267
266
265
265
264
265
266
267
266
265
264
263
264
264
265
266
267
266

Tuesday 13

Waxing Crescent 9%

No Rise

19:20

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

Sun - Rise: 08:06, Set: 18:51, Transit: 13:28. Moon - Rise: No Rise, Set: 19:20. Civil Dark: 19:25 - 07:32. Nautical Dark: 20:05 - 06:52. Astro Dark: 20:44 - 06:13

Total Clouds (% Sky Obscured)

94
88
94
95
68
65
36
37
31
38
73
72
81
49
37
77
72
70
78
79
63
93
91
100

Low Clouds (% Sky Obscured)

89
88
81
47
29
31
25
25
23
22
25
27
27
26
28
23
24
19
17
15
15
20
20
25

Medium Clouds (% Sky Obscured)

40
0
35
42
36
44
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
6
45
50
6
0
0
0
0
11
45
41
78
23
8
66
60
70
77
66
34
86
78
100

ISS Passover

Visibility (miles)

9
9
9
9
7
5
8
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
23
2
45
83
87
26
6
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.5
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
12
13
17
16
17
12
11
8
7
8
11
10
10
8
7
6
5
4
4
3
3
5

Chance of Frost

Temperature (°C)

17
18
19
20
21
19
19
18
18
17
17
16
16
16
15
15
14
14
13
13
12
12
14
15

Feels Like (°C)

15
16
17
18
18
17
16
18
18
18
17
15
14
13
13
14
12
12
12
11
11
11
12
13

Dew Point (°C)

14
15
17
17
16
16
16
16
15
15
14
14
11
11
11
10
9
9
9
8
8
8
8
8

Relative Humidity (%)

82
85
88
82
76
78
84
86
85
83
85
85
72
72
73
73
70
71
74
74
75
73
68
62

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1019
1020
1021
1022
1022
1023
1024
1025
1025
1026
1026
1027
1027
1028
1028
1029
1029

Ozone (du)

266
264
264
264
267
268
271
276
278
282
287
290
293
292
292
291
293
292
291
291
291
293
294
293

Wednesday 14

Waxing Crescent 15%

12:55

19:50

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

Sun - Rise: 08:07, Set: 18:49, Transit: 13:27. Moon - Rise: 12:55, Set: 19:50. Civil Dark: 19:23 - 07:33. Nautical Dark: 20:02 - 06:54. Astro Dark: 20:42 - 06:15

Total Clouds (% Sky Obscured)

100
98
68
61
84
63
15
26
35
42
30
72
86
96
97
100
89
91
95
86
92
99
95
96

Low Clouds (% Sky Obscured)

24
20
19
12
10
11
0
13
19
12
0
14
6
0
0
0
0
0
4
6
5
2
0
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
11
31
33
37
54
48
39
82
54
61
70
45
52

High Clouds (% Sky Obscured)

100
98
51
48
71
49
15
5
1
18
25
34
44
87
94
99
79
73
51
51
61
65
80
64

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 (%)

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 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)

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

Chance of Frost

Temperature (°C)

16
17
17
17
17
17
16
15
14
13
13
12
12
12
12
11
11
11
11
11
11
12
13
14

Feels Like (°C)

14
14
15
15
14
15
14
14
14
13
12
11
10
10
9
10
10
10
11
9
11
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

60
56
52
50
51
54
61
69
72
75
75
76
75
76
75
77
80
83
83
81
84
80
74
64

Pressure (mb)

1029
1029
1029
1029
1028
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

292
293
291
290
290
289
288
288
288
286
285
284
284
282
281
280
281
281
282
282
283
284
284
283

Thursday 15

Waxing Crescent 23%

14:00

20:31

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:09, Set: 18:47, Transit: 13:27. Moon - Rise: 14:00, Set: 20:31. Civil Dark: 19:21 - 07:35. Nautical Dark: 20:00 - 06:56. Astro Dark: 20:40 - 06:16

Total Clouds (% Sky Obscured)

100
93
98
100
100
100
100
100
98
97
96
91
86
80
78
83
84
89
94
99
99
100
97
96

Low Clouds (% Sky Obscured)

3
5
4
3
2
11
20
32
30
29
27
29
30
32
27
28
44
81
83
83
89
95
92
86

Medium Clouds (% Sky Obscured)

25
3
29
56
54
61
90
83
73
76
66
70
59
6
13
24
39
29
23
19
29
40
43
44

High Clouds (% Sky Obscured)

100
87
95
100
100
99
97
96
91
88
84
75
65
55
46
50
45
25
44
62
46
40
4
21

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
10
12
12
34
55
66
69

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
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
16
16
17
17
17
15
15
15
15
14
14
14
14
13
13
13
13
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

56
52
49
47
49
52
58
61
63
65
66
66
67
68
70
72
71
71
71
66
66
64
63
61

Pressure (mb)

1023
1023
1023
1022
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

282
282
282
282
282
283
283
283
283
285
286
287
288
287
287
287
288
290
293
296
297
299
300
300

Friday 16

Waxing Crescent 32%

14:53

21:25

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:11, Set: 18:45, Transit: 13:27. Moon - Rise: 14:53, Set: 21:25. Civil Dark: 19:19 - 07:37. Nautical Dark: 19:58 - 06:57. Astro Dark: 20:38 - 06:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
90
80
72
67
64
58
64
72
74
70
68
67
77
83
84
87
89
89
84

Low Clouds (% Sky Obscured)

96
93
90
87
83
82
80
72
67
64
58
64
72
74
70
68
67
77
83
84
87
89
89
84

Medium Clouds (% Sky Obscured)

44
50
62
97
97
83
69
52
3
55
19
47
55
34
23
11
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

48
37
36
53
72
53
40
15
11
21
5
3
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
9
8
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

62
51
42
34
38
41
44
39
24
36
28
22
17
6
26
24
19
27
26
25
28
23
19
31

Precipitation Amount (mm)

0.3
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
7
7
11
11
11
9
7
7
8
9
8
9
8
7
7
7
7
8
8
9
9

Chance of Frost

Temperature (°C)

15
15
16
16
16
15
14
14
13
13
13
12
12
12
12
11
11
11
11
11
11
11
12
13

Feels Like (°C)

14
14
14
15
15
14
11
11
11
11
11
10
9
9
8
8
8
8
8
8
8
8
9
9

Dew Point (°C)

8
8
9
11
12
13
12
12
11
11
10
9
9
8
6
6
6
5
5
5
5
5
4
4

Relative Humidity (%)

60
62
63
73
77
87
87
89
87
86
86
80
80
77
70
68
67
66
66
66
67
63
58
54

Pressure (mb)

1020
1020
1020
1020
1021
1021
1022
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1029
1029

Ozone (du)

299
299
299
299
298
299
300
303
307
308
309
310
311
312
313
313
312
311
313
314
315
315
316
316

Saturday 17

Waxing Crescent 41%

15:32

22:29

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:13, Set: 18:43, Transit: 13:27. Moon - Rise: 15:32, Set: 22:29. Civil Dark: 19:17 - 07:38. Nautical Dark: 19:56 - 06:59. Astro Dark: 20:35 - 06:20

Total Clouds (% Sky Obscured)

84
83
73
62
52
53
52
53
55
55
54
48
51
53
56
66
71
66
61
58
71
75
84
83

Low Clouds (% Sky Obscured)

84
83
73
62
51
51
49
45
49
52
54
48
51
53
56
66
69
62
54
47
56
74
84
72

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
5
11
14
18
19
20
41
65
84
76

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
8
7
8
9
9
9
9
9
9
9
9
8
8
8
8
8
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

26
18
25
28
30
28
22
15
17
20
23
27
30
36
40
44
50
55
58
62
62
64
70
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.4
0.3
0.3
0.3
0.2

Wind Speed/Direction (mph)

10
11
11
12
12
13
11
10
9
8
7
7
7
6
6
7
7
8
9
10
10
10
9
9

Chance of Frost

Temperature (°C)

13
14
14
14
14
14
13
12
11
11
10
10
10
10
10
10
10
10
10
10
10
10
10
11

Feels Like (°C)

9
10
10
11
11
11
11
11
11
8
8
8
7
7
7
6
7
7
6
6
6
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

54
54
55
55
57
58
59
61
63
62
61
61
62
63
66
66
68
68
69
70
72
74
77
81

Pressure (mb)

1030
1030
1030
1030
1030
1030
1031
1031
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1030
1030
1030
1031
1031

Ozone (du)

315
315
314
314
313
313
314
315
316
317
318
319
320
320
321
323
324
326
323
321
319
316
314
312

Sunday 18

First Quarter 51%

16:01

23:41

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

Sun - Rise: 08:14, Set: 18:41, Transit: 13:27. Moon - Rise: 16:01, Set: 23:41. Civil Dark: 19:15 - 07:40. Nautical Dark: 19:54 - 07:01. Astro Dark: 20:33 - 06:21

Total Clouds (% Sky Obscured)

79
74
75
76
77
59
41
23
26
31
36
31
22
12
16
28
37
40
51
61

Low Clouds (% Sky Obscured)

61
48
45
41
40
33
28
20
26
31
36
31
22
12
16
20
19
17
15
15

Medium Clouds (% Sky Obscured)

63
50
51
54
57
39
20
2
2
2
2
1
1
0
1
1
1
4
8
11

High Clouds (% Sky Obscured)

0
0
0
1
1
0
0
0
0
0
0
4
5
4
6
10
14
24
33
46

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

55
38
43
41
35
35
35
32
29
25
11
9
12
11
10
8
2
8
10
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
9
9
8
8
8
7
7
6
6
5
5
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

11
12
13
13
13
13
13
12
11
11
10
9
9
9
9
9
9
9
9
9

Feels Like (°C)

7
7
8
10
10
10
11
11
11
9
9
9
8
9
9
8
7
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

80
79
77
77
79
78
81
86
88
87
84
82
82
82
81
80
80
77
78
77

Pressure (mb)

1031
1031
1031
1031
1030
1030
1031
1032
1032
1032
1033
1033
1034
1034
1034
1034
1034
1034
1034
1034

Ozone (du)

311
311
310
310
310
310
307
305
303
301
299
297
294
290
286
285
284
282
281
279

Forecast for Leiden, Gemeente Leiden, Netherlands (52.16,4.50)

Generated: 12/10/26 12:09:00. Forecast: 12/10/26 to 18/10/26. Timezone: UTC+2.00