Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Gibbous 61%

16:22

00:56

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
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 OK

Sun - Rise: 08:16, Set: 18:38, Transit: 13:26. Moon - Rise: 16:22, Set: 00:56. Civil Dark: 19:13 - 07:42. Nautical Dark: 19:52 - 07:02. Astro Dark: 20:31 - 06:23

Total Clouds (% Sky Obscured)

96
89
99
87
76
52
40
91
90
60
60
59
59
64
67
65
49
98
91
68
74
58
63
40

Low Clouds (% Sky Obscured)

87
78
24
25
21
29
29
31
31
13
18
0
0
15
8
27
27
28
30
30
30
27
27
20

Medium Clouds (% Sky Obscured)

0
0
0
5
17
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

2
59
64
50
52
26
4
81
87
54
54
50
54
60
62
59
9
98
88
58
69
29
37
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
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)

8
9
10
10
11
9
10
10
10
12
11
11
10
10
11
11
12
11
11
12
13
12
14
15

Chance of Frost

Temperature (°C)

13
14
14
14
15
14
13
12
12
11
11
10
10
9
8
8
7
7
7
7
6
6
7
8

Feels Like (°C)

11
12
12
12
12
12
12
11
9
9
8
8
7
7
6
5
4
4
4
3
3
3
3
3

Dew Point (°C)

11
11
10
9
8
8
8
8
8
8
6
5
5
4
4
3
2
2
1
1
0
1
1
1

Relative Humidity (%)

87
82
75
69
64
66
70
73
79
80
73
71
70
72
71
70
70
69
67
66
66
66
65
62

Pressure (mb)

1028
1028
1027
1026
1026
1025
1025
1025
1024
1024
1024
1023
1022
1022
1021
1020
1019
1018
1018
1017
1016
1016
1015
1014

Ozone (du)

279
278
276
275
274
273
274
274
276
276
278
277
276
276
275
277
277
278
278
278
277
277
278
278

Tuesday 20

Waxing Gibbous 70%

16:38

02:12

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: 08:18, Set: 18:36, Transit: 13:26. Moon - Rise: 16:38, Set: 02:12. Civil Dark: 19:11 - 07:43. Nautical Dark: 19:50 - 07:04. Astro Dark: 20:29 - 06:25

Total Clouds (% Sky Obscured)

93
100
94
95
96
100
100
100
100
100
100
100
100
100
100
100
69
100
96
86
55
58
87
93

Low Clouds (% Sky Obscured)

16
17
16
21
30
89
100
100
100
100
99
100
96
89
93
89
39
32
18
21
55
58
69
77

Medium Clouds (% Sky Obscured)

57
100
88
90
93
99
99
91
100
100
100
99
99
86
100
98
60
44
50
36
2
0
76
61

High Clouds (% Sky Obscured)

72
60
61
29
41
40
84
100
70
54
100
100
100
100
100
100
46
98
70
65
3
24
45
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
9
7
5
6
2
9
9
9
8
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
2
7
16
68
88
59
73
80
74
44
24
14
18
17
20
13
7
4
3
2
1
5

Precipitation Amount (mm)

0
0
0
0
0
0.6
0.9
0.3
0.4
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
13
12
11
10
8
8
8
7
7
8
9
9
8
9
9
9
9
10
10
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
3
3
5
8
9
9
10
10
10
10
10
10
10
10
10
10
9
8
8
6
6
6

Relative Humidity (%)

59
58
57
56
62
77
88
93
95
96
96
96
92
90
86
84
87
89
86
85
85
80
73
71

Pressure (mb)

1013
1012
1011
1010
1009
1009
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

278
278
277
277
279
281
282
284
284
285
286
286
287
289
293
298
306
298
288
285
283
282
283
284

Wednesday 21

Waxing Gibbous 79%

16:51

03:28

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: 08:20, Set: 18:34, Transit: 13:26. Moon - Rise: 16:51, Set: 03:28. Civil Dark: 19:09 - 07:45. Nautical Dark: 19:48 - 07:06. Astro Dark: 20:27 - 06:26

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
100
94
79
57
59
66
74
68
100
66
63
76
100
97
91
92
89
88

Low Clouds (% Sky Obscured)

78
100
91
84
88
71
91
90
79
57
59
66
74
68
92
28
34
49
89
92
83
92
89
88

Medium Clouds (% Sky Obscured)

81
96
100
100
95
99
96
45
1
2
4
4
71
67
100
46
45
45
47
35
25
65
54
62

High Clouds (% Sky Obscured)

100
85
46
44
25
41
74
12
0
0
0
0
0
28
60
53
50
45
50
27
20
11
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

34
70
87
87
54
47
59
68
53
44
52
67
95
59
30
52
80
68
74
88
67
66
67
95

Precipitation Amount (mm)

0
0.3
0.6
0.5
0
0
0.3
0.5
0.3
0
0.2
0.3
0.8
0
0
0
0.5
0.3
0.4
0.7
0.2
0
0
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
83
90
91
84
72
72
73
73
72
73
67
81
81
65
66
67
81
88
90
88
87
90
84

Pressure (mb)

1005
1005
1005
1005
1005
1006
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013

Ozone (du)

283
285
286
288
291
295
298
300
303
307
306
304
301
298
295
296
298
301
302
301
301
300
300
300

Thursday 22

Waxing Gibbous 87%

17:03

04:46

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: 08:21, Set: 18:32, Transit: 13:26. Moon - Rise: 17:03, Set: 04:46. Civil Dark: 19:07 - 07:47. Nautical Dark: 19:46 - 07:07. Astro Dark: 20:25 - 06:28

Total Clouds (% Sky Obscured)

86
84
61
38
39
50
80
86
89
95
100
100
100
100
99
98
97
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
82
53
27
32
41
33
30
30
68
79
77
41
51
80
83
83
84
86
87
75
77
58
65

Medium Clouds (% Sky Obscured)

59
22
17
8
1
9
17
29
47
91
100
100
100
100
47
97
95
96
97
98
99
99
100
80

High Clouds (% Sky Obscured)

0
0
0
0
3
3
65
65
70
85
100
70
50
57
85
68
47
58
79
100
100
100
100
100

ISS Passover

Visibility (miles)

4
6
3
4
5
9
6
9
9
9
5
9
9
9
9
9
9
8
3
4
5
5
4
8

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

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

Precipitation Probability (%)

95
95
90
72
49
31
29
26
32
48
52
47
26
9
20
28
65
95
95
90
81
80
76
61

Precipitation Amount (mm)

0.7
0.9
0.8
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0.3
1
0.6
0.4
0.5
0.4
0.4
0.3

Wind Speed/Direction (mph)

13
12
13
13
12
11
9
7
8
8
9
10
12
12
13
13
15
15
17
18
18
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
10
10
11
11
11
12
11
11
11
10
10
10
10
10
10
10
9
9
8
8

Relative Humidity (%)

86
86
82
80
78
76
82
89
93
96
92
89
89
89
87
84
84
87
89
89
83
80
79
73

Pressure (mb)

1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1009
1008
1007
1006
1004
1004
1003
1003
1002

Ozone (du)

302
303
303
304
302
301
301
296
293
292
291
289
287
286
287
289
290
289
290
293
297
300
301
303

Friday 23

Waxing Gibbous 94%

17:14

06:06

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: 08:23, Set: 18:30, Transit: 13:26. Moon - Rise: 17:14, Set: 06:06. Civil Dark: 19:05 - 07:48. Nautical Dark: 19:44 - 07:09. Astro Dark: 20:23 - 06:30

Total Clouds (% Sky Obscured)

100
100
100
100
94
81
70
74
77
81
82
90
96
100
97
94
93
93
93
88
86
85
84
84

Low Clouds (% Sky Obscured)

99
100
97
95
80
28
45
74
77
81
80
88
89
91
92
91
90
84
77
69
68
69
69
64

Medium Clouds (% Sky Obscured)

66
47
48
85
46
68
38
55
61
67
40
82
91
100
89
77
69
77
75
68
62
61
60
54

High Clouds (% Sky Obscured)

99
70
51
34
14
9
5
0
0
0
0
1
2
3
4
6
6
23
40
44
54
64
67
54

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

60
57
89
95
95
95
80
86
95
95
95
94
69
63
95
95
95
95
88
65
59
50
38
50

Precipitation Amount (mm)

0.3
0.2
0.6
1
0.9
0.8
0.4
0.6
1.3
0.6
0.8
0.7
0.3
0
0.6
0.9
0.8
0.8
0.6
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

19
20
20
17
18
21
18
17
15
16
16
16
16
15
16
15
14
13
12
11
10
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
5
5
6
6
5
5
5
4
4
3
3
3
3
3
3
3
3
3
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

69
66
70
63
56
63
64
69
73
82
68
71
67
63
64
66
68
72
70
70
70
69
68
67

Pressure (mb)

1002
1001
1001
1002
1003
1004
1005
1006
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011

Ozone (du)

307
309
310
313
317
319
320
319
320
321
324
325
329
333
337
337
337
337
337
336
336
336
335
335

Saturday 24

Waxing Gibbous 98%

17:26

06:30

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: 07:25, Set: 18:28, Transit: 13:26. Moon - Rise: 17:26, Set: 06:30. Civil Dark: 19:03 - 06:50. Nautical Dark: 19:42 - 06:11. Astro Dark: 20:22 - 05:31

Total Clouds (% Sky Obscured)

81
79
74
70
65
77
89
100
99
98
97
98
99
100
100
100
97
94
92
95
97
99
97
95

Low Clouds (% Sky Obscured)

60
58
56
57
59
69
77
86
81
78
73
80
88
96
99
100
96
91
87
91
96
99
95
91

Medium Clouds (% Sky Obscured)

48
47
40
38
30
30
26
26
33
40
54
67
80
90
75
66
71
73
81
86
91
94
94
92

High Clouds (% Sky Obscured)

42
26
25
34
43
62
80
100
94
89
83
64
44
23
49
67
66
61
50
31
32
38
52
66

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

48
46
46
51
63
82
95
95
95
95
95
95
95
95
95
84
87
78
70
64
57
58
73
84

Precipitation Amount (mm)

0
0
0
0
0.3
0.6
0.8
1
1.3
1.1
0.8
1.3
1.5
1.2
0.7
0.4
0.7
0.5
0.4
0.3
0.2
0.2
0.4
0.5

Wind Speed/Direction (mph)

14
14
15
15
14
14
12
11
10
10
11
12
13
14
14
14
14
15
16
16
17
17
17
17

Chance of Frost

Temperature (°C)

11
11
12
11
11
11
10
10
10
10
10
11
11
11
12
12
12
13
13
14
14
14
15
16

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
3
3
4
4
4
5
6
6
8
9
10
10
10
10
11
11
12
13
13
15

Relative Humidity (%)

64
61
59
59
59
60
62
66
67
69
72
74
80
84
87
86
84
84
84
86
87
90
92
93

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1009
1008
1007
1006
1004
1003
1001
999
998
997
996
995
994
994
993
992
992

Ozone (du)

333
331
329
327
324
321
319
317
314
311
307
304
299
294
287
284
282
279
277
274
271
269
266
265

Sunday 25

Waxing Gibbous 100%

16:40

07:59

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

Sun - Rise: 07:27, Set: 17:26, Transit: 12:26. Moon - Rise: 16:40, Set: 07:59. Civil Dark: 18:01 - 06:52. Nautical Dark: 18:40 - 06:12. Astro Dark: 19:20 - 05:33

Total Clouds (% Sky Obscured)

93
94
95
96
94
92
90
77
63
49
60
71
85
75
68
63
53
49
44

Low Clouds (% Sky Obscured)

89
90
91
91
91
88
88
69
50
30
45
61
80
62
42
21
20
20
21

Medium Clouds (% Sky Obscured)

91
87
85
83
69
57
44
30
16
1
1
0
0
0
0
0
1
3
5

High Clouds (% Sky Obscured)

70
70
80
85
85
80
65
47
33
20
16
14
11
22
32
42
36
29
23

ISS Passover

Visibility (miles)

9
9
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

95
95
74
55
57
56
55
46
36
22
27
21
16
20
18
7
18
19
14

Precipitation Amount (mm)

0.8
0.8
0.4
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
19
21
22
19
17
16
17
18
18
18
17
17
16
16
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
17
16
15
14
13
11
10
9
7
6
6
6
5
5
5
5
5
5

Relative Humidity (%)

95
96
95
92
92
87
84
82
76
71
66
66
65
64
64
64
64
64
64

Pressure (mb)

991
990
991
991
992
993
995
997
998
999
1000
1001
1002
1003
1004
1004
1005
1006
1006

Ozone (du)

265
265
264
263
262
265
268
271
275
278
281
284
286
289
287
285
283
281
279

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

Generated: 19/10/26 11:52:33. Forecast: 19/10/26 to 25/10/26. Timezone: UTC+2.00