Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 1%

08:50

15:43

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
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: 08:12, Set: 16:43, Transit: 12:27. Moon - Rise: 08:50, Set: 15:43. Civil Dark: 17:21 - 07:34. Nautical Dark: 18:03 - 06:52. Astro Dark: 18:43 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
87
29
100
100
100
55
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
86
85
91
91
69
65
63
52
39
20
28
28
0
10
23
28
38
52
43
47
25
80
56

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
87
29
100
100
100
55
40
89
100
100
100
100
100
97
93

High Clouds (% Sky Obscured)

10
10
100
100
100
100
10
10
15
13
7
13
8
86
25
20
12
44
39
53
85
90
94
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
92
64
57
34
17
5
5
9
5
13
40
43
55
60
60
62
61
76
68

Precipitation Amount (mm)

1.2
1.4
1
0.7
1
0.5
0
0.2
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.3
0.2
0.6
0.5

Wind Speed/Direction (mph)

8
10
12
10
11
16
18
18
15
11
13
13
11
10
9
8
8
8
7
7
5
4
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
3
3
1
0
0
1
1
0
0
1
1
0
1
1
1
1
1
1
1
1
1

Dew Point (°C)

3
4
3
3
3
3
2
1
0
0
-1
-2
-2
-2
-2
-2
-3
-2
-2
-1
-1
-1
-1
-0

Relative Humidity (%)

85
85
79
78
77
79
74
67
65
65
64
59
59
60
59
60
59
62
65
67
68
73
73
75

Pressure (mb)

1000
1000
1000
1000
1000
1000
1001
1001
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

317
327
328
323
318
318
321
325
324
324
327
329
329
326
320
319
319
318
320
319
319
320
319
317

Thursday 20

New Moon 0%

No Rise

16:05

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
08 OK

Sun - Rise: 08:14, Set: 16:41, Transit: 12:27. Moon - Rise: No Rise, Set: 16:05. Civil Dark: 17:20 - 07:35. Nautical Dark: 18:02 - 06:53. Astro Dark: 18:43 - 06:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
83
85
94
94
87
86
72
86
78
62
36
53
30
12

Low Clouds (% Sky Obscured)

14
58
56
61
46
52
54
41
52
51
42
38
13
9
24
24
0
25
45
39
25
48
28
8

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
50
60
83
86
67
67
72
57
49
46
35
40
15
12

High Clouds (% Sky Obscured)

38
1
1
10
22
20
31
25
25
12
3
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

42
40
51
63
65
68
68
55
42
43
37
59
54
37
30
35
27
27
32
50
35
17
26
15

Precipitation Amount (mm)

0
0
0
0.4
0.5
0.5
0.5
0.3
0
0
0
0.4
0.3
0
0
0
0
0
0
0.3
0
0
0
0

Wind Speed/Direction (mph)

5
4
4
6
7
7
7
8
5
2
3
4
4
3
3
1
3
3
3
2
2
3
5
8

Chance of Frost

Temperature (°C)

4
4
5
6
6
6
5
5
4
4
3
3
3
2
2
2
2
2
1
1
2
2
2
1

Feels Like (°C)

0
1
2
3
2
2
2
1
1
2
1
1
1
0
0
2
2
1
0
1
0
-1
-1
-1

Dew Point (°C)

0
0
0
-0
0
1
1
2
2
1
1
1
0
0
0
-0
0
-0
-1
-1
-0
-1
-1
-0

Relative Humidity (%)

77
75
70
65
67
70
72
79
85
85
83
85
85
85
85
85
88
88
88
88
88
84
86
91

Pressure (mb)

1007
1008
1008
1008
1008
1009
1009
1010
1010
1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1016
1017
1017
1018
1019

Ozone (du)

318
316
317
324
331
334
338
336
334
333
331
330
329
329
328
327
325
323
323
323
322
322
324
326

Friday 21

Waxing Crescent 2%

10:01

16:36

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

Sun - Rise: 08:16, Set: 16:40, Transit: 12:27. Moon - Rise: 10:01, Set: 16:36. Civil Dark: 17:19 - 07:37. Nautical Dark: 18:01 - 06:54. Astro Dark: 18:42 - 06:14

Total Clouds (% Sky Obscured)

33
44
33
15
2
2
2
1
0
0
0
0
0
1
1
2
5
11
26
37
100
100
94
88

Low Clouds (% Sky Obscured)

22
36
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
4
5
5
5
0

Medium Clouds (% Sky Obscured)

33
26
31
15
2
2
2
1
0
0
0
0
0
0
0
0
3
5
3
3
52
79
94
79

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
11
26
37
100
100
94
88

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
6
5
5

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
None

Precipitation Probability (%)

14
8
6
3
2
5
8
2
0
0
0
0
0
0
0
0
1
1
5
10
29
39
42
38

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
0.3
0

Wind Speed/Direction (mph)

8
8
8
8
8
7
6
4
3
2
3
4
5
6
7
7
7
8
8
9
10
10
11
11

Chance of Frost

Temperature (°C)

1
2
3
4
4
5
5
4
3
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

-1
-1
-0
0
1
2
3
3
2
1
1
1
0
-0
-1
-1
-2
-2
-2
-3
-4
-4
-3
-4

Dew Point (°C)

0
1
0
1
0
0
1
1
1
-0
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-2
-2

Relative Humidity (%)

93
88
80
77
75
73
78
83
86
86
86
86
84
83
83
81
80
80
80
80
78
77
80
81

Pressure (mb)

1020
1021
1021
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1026
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

325
321
316
319
317
314
311
309
305
300
297
295
294
294
293
292
289
284
282
280
279
280
280
280

Saturday 22

Waxing Crescent 5%

11:03

17:20

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

Sun - Rise: 08:17, Set: 16:39, Transit: 12:27. Moon - Rise: 11:03, Set: 17:20. Civil Dark: 17:18 - 07:38. Nautical Dark: 18:00 - 06:56. Astro Dark: 18:41 - 06:15

Total Clouds (% Sky Obscured)

83
86
90
93
90
87
83
80
76
70
70
69
68
60
52
42
31
26
20
24
24
32
35
37

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
3
6
2
3
19
16
3
1
4
9
3
2
6
5
10
10
5
5

Medium Clouds (% Sky Obscured)

64
86
78
93
90
84
80
66
40
27
27
34
63
54
52
42
19
26
20
24
24
32
35
37

High Clouds (% Sky Obscured)

83
86
85
79
81
79
75
58
45
19
12
8
3
0
0
0
0
0
0
7
14
20
23
26

ISS Passover

Visibility (miles)

8
9
9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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

Precipitation Probability (%)

34
28
32
28
25
23
5
7
5
3
2
2
1
0
0
0
0
0
0
0
7
31
37
51

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
0.3

Wind Speed/Direction (mph)

11
12
12
13
13
13
13
12
12
12
12
12
12
12
12
12
11
11
11
11
11
12
12
13

Chance of Frost

Temperature (°C)

2
2
2
3
4
4
4
3
3
2
2
1
1
1
1
1
1
0
0
-0
-0
-0
-0
0

Feels Like (°C)

-3
-4
-3
-3
-2
-2
-2
-2
-3
-4
-4
-4
-4
-5
-4
-5
-5
-5
-5
-5
-5
-5
-6
-6

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-3
-3
-3
-2
-3

Relative Humidity (%)

78
74
72
69
68
67
66
68
69
70
71
74
76
78
81
83
84
84
84
84
83
83
86
78

Pressure (mb)

1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1015
1015
1014
1013
1012
1011
1011

Ozone (du)

276
269
263
260
262
265
268
271
278
284
289
289
290
290
285
282
281
280
279
278
275
274
274
274

Sunday 23

Waxing Crescent 10%

11:53

18:19

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: 08:19, Set: 16:38, Transit: 12:28. Moon - Rise: 11:53, Set: 18:19. Civil Dark: 17:17 - 07:40. Nautical Dark: 17:59 - 06:57. Astro Dark: 18:40 - 06:16

Total Clouds (% Sky Obscured)

43
55
66
78
84
90
97
98
99
100
98
96
94
95
95
95
97
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
5
5
5
6
12
18
25
31
41
53
61
72
73
73
74
81
91
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

43
55
16
1
19
58
91
95
97
100
88
92
88
91
91
92
90
89
90
94
97
98
96
92

High Clouds (% Sky Obscured)

29
43
58
73
68
63
58
68
78
88
59
33
5
5
5
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
8
9
4
4
6
7
6
4
3
1
3
6
8
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

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

Precipitation Probability (%)

15
9
17
3
3
15
2
8
29
57
36
64
66
79
87
79
75
65
51
48
48
45
54
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0.4
0.4
0.5
0.4
0.4
0.3
0.3
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

14
15
16
16
16
15
15
16
17
17
17
17
17
17
16
16
15
14
13
12
12
11
11
9

Chance of Frost

Temperature (°C)

-0
0
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
2
3
3
3

Feels Like (°C)

-6
-6
-6
-5
-4
-4
-4
-4
-5
-5
-4
-4
-4
-5
-4
-4
-4
-3
-3
-4
-4
-4
-4
-2

Dew Point (°C)

-2
-3
-3
-2
-3
-3
-3
-3
-2
-2
-1
-0
1
1
1
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

87
77
74
77
66
68
69
70
73
73
80
83
88
88
91
94
94
96
96
98
96
96
96
93

Pressure (mb)

1010
1009
1008
1007
1006
1005
1004
1003
1002
1001
1000
1000
999
998
997
997
996
995
994
994
993
993
993
993

Ozone (du)

275
277
278
277
274
273
272
273
277
277
278
278
278
278
278
279
280
281
282
283
283
284
285
286

Monday 24

Waxing Crescent 16%

12:29

19:28

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: 08:20, Set: 16:37, Transit: 12:28. Moon - Rise: 12:29, Set: 19:28. Civil Dark: 17:16 - 07:41. Nautical Dark: 17:59 - 06:59. Astro Dark: 18:39 - 06:18

Total Clouds (% Sky Obscured)

100
98
96
94
96
96
97
96
96
95
90
85
82
82
83
84
87
92
96
96
97
97
98
98

Low Clouds (% Sky Obscured)

100
96
93
89
90
87
84
82
80
74
72
66
60
62
65
68
70
72
76
80
83
87
88
89

Medium Clouds (% Sky Obscured)

89
88
88
87
85
84
84
84
85
85
76
72
68
68
68
64
70
79
88
89
90
92
93
95

High Clouds (% Sky Obscured)

0
0
5
5
10
10
25
30
40
35
50
50
45
30
30
25
19
5
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

53
48
43
39
41
37
29
34
34
25
29
31
33
37
38
39
50
56
60
71
80
87
82
80

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.4
0.6
0.7
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
4
5
5

Feels Like (°C)

-1
-1
-0
1
1
2
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
3
2

Dew Point (°C)

2
2
3
3
4
4
4
4
4
4
4
3
3
3
3
3
4
4
3
4
3
3
3
4

Relative Humidity (%)

91
88
89
91
93
93
94
93
91
90
90
86
85
83
86
89
93
93
93
94
93
93
91
93

Pressure (mb)

993
993
993
993
993
993
993
994
994
995
995
996
997
997
998
998
999
1000
1000
1001
1001
1002
1002
1003

Ozone (du)

286
287
288
289
289
291
292
293
295
296
298
299
300
302
303
304
305
306
307
308
310
312
314
313

Tuesday 25

Waxing Crescent 25%

12:55

20:45

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 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:22, Set: 16:36, Transit: 12:28. Moon - Rise: 12:55, Set: 20:45. Civil Dark: 17:15 - 07:43. Nautical Dark: 17:58 - 07:00. Astro Dark: 18:39 - 06:19

Total Clouds (% Sky Obscured)

99
98
96
95
95
96
96
83
70
56
65
73
77
70
59
51
38
25
15
15
15
15

Low Clouds (% Sky Obscured)

89
86
84
82
83
83
83
77
70
56
60
55
48
32
17
2
4
5
6
7
9
10

Medium Clouds (% Sky Obscured)

97
92
88
84
76
69
60
41
21
2
12
23
33
47
59
51
38
25
15
15
15
15

High Clouds (% Sky Obscured)

0
2
2
0
0
0
0
0
0
1
19
37
65
65
59
51
38
25
15
15
15
15

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

80
70
60
52
51
42
14
15
14
3
10
11
9
10
10
2
20
22
15
40
56
67

Precipitation Amount (mm)

0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
4
4
3
4
4
4
4
4
3
3
4
3
4
4

Feels Like (°C)

2
1
2
1
1
1
1
1
1
1
1
-1
0
-1
0
0
1
-1
0
0
1
1

Dew Point (°C)

4
4
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3

Relative Humidity (%)

93
93
89
86
83
82
80
79
83
86
91
88
88
85
88
89
89
91
91
93
93
91

Pressure (mb)

1003
1004
1005
1005
1006
1006
1007
1008
1008
1009
1010
1011
1011
1012
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

311
309
308
306
305
305
306
306
307
308
309
309
308
308
306
305
303
303
302
302
302
303

Forecast for Overveen, Gemeente Bloemendaal, Netherlands (52.39,4.61)

Generated: 19/11/25 09:18:53. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+1.00